Huawei EGW1520A Users Manual

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Step 1 User A presses the hook flash button and dials service prefixes *34# as prompted. To change

the service prefix, see Changing Service Prefixes.

Step 2 The system plays an announcement, indicating that the malicious call is recorded successfully.

If user A wants to continue the call, press the hook flash button again.

----End

View, download, and delete a malicious call.

Step 1 On the web management system, choose Voice > Service Manager from the navigation tree. Step 2 Click the Service Configuration tab.

The page shown in Figure 7-118 is displayed.

Figure 7-118 Configure Service tab page (1)

Step 3 Click .

The page shown in Figure 7-119 is displayed.

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Figure 7-119 Selecting a user

Step 4 Select a user number, and click .

The page shown in Figure 7-120 is displayed.

Figure 7-120 Configure Service tab page (2)

Step 5 Click ShowRecords.

The page shown in Figure 7-121 is displayed. You can view, download, or delete all malicious call records.

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Figure 7-121 Configure Service tab page (3)

Step 6 (Optional) Click Download Records, and download malicious call records as prompted.

Step 7 (Optional) Click Clear Records to clear call malicious call records, or click to delete a

single record.

Step 8 Click to close the page.

----End

?.15.Anonymous Call Rejection

After a user enables the anonymous call rejection service, the EGW1520 will block all anonymous calls to the user.

Precautions

The anonymous call rejection service conflicts with some other services. For details, see

Service Conflicts.

Configuring the Service

Web mode

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Before configuring a service, ensure that the service has been enabled. For details on how to enable voice services, see Enabling Voice Services.

Step 1 On the web management system, choose Voice > Service Manager from the navigation tree. Step 2 Click the Service Configuration tab.

The page shown in Figure 7-122 is displayed.

Figure 7-122 Configure Service tab page (1)

Step 3 Click .

The page shown in Figure 7-123 is displayed.

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Figure 7-123 Selecting a user

Step 4 Select a user number.

Step 5 Click .

The page shown in Figure 7-124 is displayed.

Figure 7-124 Configure Service tab page (2)

Step 6 Click Apply.

Figure 7-125 shows the configuration result.

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Figure 7-125 Configuration result

----End

Service prefix dialing mode

In addition to the preceding web mode, you can also dial a prefix to configure the service. For example, pick up the phone and dial default service prefix *41#. To change the service prefix, see Changing Service Prefixes.

Using the Service

Assume that user A has enabled and configured the anonymous call rejection service and that user B is an anonymous user (for example, user B enables the CLIR service). User B's calls to user A will be blocked.

Canceling the Service

Web mode Click Cancel on the Service Configuration tab page, as shown in Figure 7-126.

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Figure 7-126 Canceling the service

Service prefix dialing mode

A user picks up the phone and dials default service prefix #41#. To change the service prefix, see Changing Service Prefixes.

?.16.Automatic Call Rejection

After a user enables and configures the automatic call rejection service, the calls from a preset number will be rejected automatically.

Precautions

The automatic call rejection service conflicts with some other services. For details, see

Service Conflicts.

Configuring the Service

Web mode

Before configuring a service, ensure that the service has been enabled. For details on how to enable voice services, see Enabling Voice Services.

Step 1 On the web management system, choose Voice > Service Manager from the navigation tree. Step 2 Click the Service Configuration tab.

The page shown in Figure 7-127 is displayed.

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Figure 7-127 Configure Service tab page (1)

Step 3 Click .

The page shown in Figure 7-128 is displayed.

Figure 7-128 Selecting a user

Step 4 Select a user number, and click .

The page shown in Figure 7-129 is displayed.

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Figure 7-129 Configure Service tab page (2)

Step 5 Click Apply.

The page shown in Figure 7-130 is displayed.

Figure 7-130 Configure Service tab page (3)

Step 6 Click , and enter a number that you want to reject.

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

You can enter a complete number or the first several digits of a number in the Number text box. For example, if you enter 8100, the number 8100 and numbers that start with 8100 are rejected.



A maximum of 10 numbers can be added. The length of each number must be equal to or less than 30 characters.



When no rejected number is configured, the system saves the settings of the Automatic Call Rejection (ACR) service but does not reject the calls from any numbers.

Step 7 Click .

Figure 7-131 shows the configuration result.

Figure 7-131 Configuration result

To modify the configuration, click Configure.

----End

Service prefix dialing mode

In addition to the preceding web mode, you can also dial a prefix to configure the service. For example, pick up the phone and dial *97*number1*number2*number3#, where number1,

number2, and number3 indicate numbers that you want to reject and *97* is the default service prefix. The length of each number must be equal to or less than 27 characters. To change the service prefix, see Viewing and Changing Service Prefixes.

Using the Service

Assume that user A has enabled and configured the automatic call rejection service and user B's number is rejected. User A's phone will automatically reject calls made by user B.

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Canceling the Service

Web mode Click Cancel on the Service Configuration tab page, as shown in Figure 7-132.

Figure 7-132 Canceling the service

Service prefix dialing mode

 

?.17.Night Service

If a user configures the night service, all incoming calls at night are forwarded to the voice mailbox or a preset number.

Precautions

The night service conflicts with some other services. For details, see Service Conflicts.

Before configuring a service, ensure that the service has been enabled. For details on how to enable voice services, see Enabling Voice Services.

A user picks up the phone and dials #97# to cancel the rejection of all preset numbers. A user picks up the phone and dials #97*number1*number2*number3#, where number1,

number2, and number3 indicate numbers that the user does not want to reject any longer and #97* is the default service prefix. To change the service prefix, see Changing

Service Prefixes.

Configuring the Service

Step 1 On the web management system, choose Voice > Service Manager from the navigation tree.

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Step 2 Click the Service Configuration tab.

The page shown in Figure 7-133 is displayed.

Figure 7-133 Configure Service tab page (1)

Step 3 Click .

The page shown in Figure 7-134 is displayed.

Figure 7-134 Selecting a user

Step 4 Select a user number, and click .

The page shown in Figure 7-135 is displayed.

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Figure 7-135 Configure Service tab page (2)

Step 5 Click Apply.

The page shown in Figure 7-136 is displayed.

Figure 7-136 Configure Service tab page (3)

Step 6 Enter the forwarded-to number or voice mailbox prefix in the Service Number text box, and

set Week Range and Time Range.

The default voice mailbox prefix is 9898 (inner mailbox) or 9899 (network mailbox). To change the voice mailbox prefix, see Viewing and Changing Service Prefixes.

Step 7 Click .

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Figure 7-137 shows the configuration result.

Figure 7-137 Configuration result

To modify service configurations, click Configure corresponding to the service.

----End

Using the Service

Assume that user A has enabled and configured the night service. User A's incoming calls at night are forwarded to the voice mailbox or a preset number.

Canceling the Service

Click Cancel on the Service Configuration tab page, as shown in Figure 7-138.

Figure 7-138 Canceling the service

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?.18.Three-Party Calling

A user in a call can invite a third party to start a three-party conversation. An EGW1520 supports a maximum of two concurrent three-party calls.

Configuring the Service

After enabling the three-party call service, users can directly use it without configuration. For details on how to enable voice services, see Enabling Voice Services.



POTS users on the EGW1520 cannot initiate three-party calls.



If a SIP user initiates a three-party call, the audio mixing is performed on the IP phone.

Using the Service

Assume that user A who is talking with user B has the three-party call service right. The process of using the service varies according to the phone that user A uses.

1. Press an idle line key (the indicator is off), dial user C's number, and press the Send key.

2. If user C is connected (the corresponding indicator is on), press the CONF key and the

related line key (connecting users A and C) to start a three-party call. If user C is not connected, press the related line key (connecting users A and B) to

continue the talk with user B.



If user B (user C) hangs up the phone during the three-party call, user A talks with user C (user B). If user A hangs up the phone during the three-party call, users B and C listen to a busy tone.



Operations vary according to IP phone model. For details, see the related IP phone user guide.

?.19.Call Pickup

After dialing the call pickup access code and the called user's number, a user can answer the call for the called user whose phone is ringing.

Configuring the Service

After enabling the call pickup service, users can directly use it without configuration. For details on how to enable voice services, see Enabling Voice Services.

Using the Service

Assume that user A has the call pickup service right.

Step 1 User C dials user B, and user B's phone rings. Step 2 User A picks up the phone and dials *11*TN# (TN is user B's number). User B's phone stops

ringing, and user A talks with user C. In the preceding number, *11* is the default access code. To change the service prefix, see

Changing Service Prefixes.

----End

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?.20.Call Barring

The call barring service limits calls to specified outer-office numbers. After the call barring service is enabled, the calls whose numbers match the restricted prefix are not accessible to the IMS or NGN.

Configuring the Service

Step 1 On the web management system, choose Voice > Service Manager from the navigation tree.

The page shown in Figure 7-139 is displayed.

Figure 7-139 Service Rights tab page (1)

Step 2 Click .

The page shown in Figure 7-140 is displayed.

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Figure 7-140 Selecting a user

Step 3 Select a user number, and click .

The page shown in Figure 7-141 is displayed.

Figure 7-141 Service Rights tab page (2)

Step 4 Select Call Barring.

The page shown in Figure 7-142 is displayed.

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Figure 7-142 Call barring

Parameter

Description

All Limit

Calls are blocked to all outer-office numbers.

Prefix Limit

Calls are blocked to certain outer-office prefixes. You can set one or more service prefixes. If you add service prefix 81, calls made by internal users to outer-office numbers starting 81 will be rejected.

NOTE

The call barring service limits calls to specified outer-office numbers. Calls to intra-office numbers, however, are not limited.

Step 5 Set outer-office numbers to which calls are blocked according to Table 7-33.

Table 7-33 Parameter description

Step 6 Click .

Figure 7-143 shows the configuration result.

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Figure 7-143 Configuration result

To modify the configuration, click .

----End

Using the Service

Assume that user A has configured the call barring service and that the restricted prefix is 88. When user A calls outer-office user C on the IMS or NGN whose number starts with 88, the call will fail.

Canceling the Service

To remove the call barring right, deselect Call Barring on the Service Rights tab page.

?.21.Voice Mailbox

After you configure the voice mailbox service, the voice mailbox can automatically answer incoming calls and ask the calling users to leave voice messages. Then the phone displays a message indicating that you have a voice message. The user can dial an access code to listen to the voice message.

Precautions



The voice mailbox service conflicts with some other services. For details, see Service

Conflicts.

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

An EGW1520 allows a maximum of 24 users to enable the voice mailbox service.



The maximum duration of a voice message is 30 seconds.



An EGW1520 user can leave at least one voice message. All EGW1520 users can leave 120 voice messages. When the number of voice messages reaches 120, no more voice messages are allowed. To leave new voice messages, you must delete old ones.



If the CFU service is configured for your voice mailbox, you do not need to configure the call transfer to voice message on busy (CTVMB) service and call transfer to voice mailbox on no reply (CTVMNR) service.

Configuring the Service

Web mode

Before configuring a service, ensure that the service has been enabled. For details on how to enable voice services, see Enabling Voice Services.

Step 1 On the web management system, choose Voice > Service Manager from the navigation tree. Step 2 Click the Service Configuration tab.

The page shown in Figure 7-144 is displayed.

Figure 7-144 Configure Service tab page (1)

Step 3 Click .

The page shown in Figure 7-145 is displayed.

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Figure 7-145 Selecting a user

Step 4 Select a user number.

Step 5 Click .

The page shown in Figure 7-146 is displayed.

Figure 7-146 Configure Service tab page (2)

Step 6 Click Apply.

The page shown in Figure 7-147 is displayed.

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Figure 7-147 Configure Service tab page (3)

Parameter

Description

Type

Mailbox type.



Inner: voice mailbox on the EGW1520



Network: voice mailbox of a carrier

Password

Password for a user to retrieve messages, consisting of 4 to 8 digits.

Step 7 Set parameters according to Table 7-34.

Table 7-34 Parameter description

Step 8 Click .

Figure 7-148 shows the configuration result.

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Figure 7-148 Configuration result

Step 9 When configuring the call forwarding or night service, you can set the forwarded-to number

to the voice mailbox prefix. The default voice mailbox prefix is 9898 (inner mailbox) or 9899 (network mailbox). To change the voice mailbox prefix, see Viewing and Changing Service

Prefixes.



For details on how to configure call forwarding services, see Call Forwarding on Busy,

Call Forwarding on No Reply, and Call Forwarding Unconditional.



For details on how to configure the night service, see Night Service.

----End

Service prefix dialing mode

A user picks up the phone and configures a forwarding service. The forwarded-to number is a voice mailbox prefix 9898 or 9899. To change the service prefix, see Changing Service

Prefixes.

To configure forwarding services, see Call Forwarding on Busy, Call Forwarding on No Reply, and Call Forwarding Unconditional.

When you set the forwarded-to number to a voice mailbox prefix in the night service, you can only use the web mode.

Using the Service

Assume that user A has enabled and configured the voice mailbox service. If user B is an outer-office user, the process of using the voice mailbox service is as follows:

1. User B calls user A. After listening to the message-taking voice prompt, user B takes a

2. User B listens to an announcement saying that the voice message is taken successfully,

3. User A finds that the phone received a new voice message and dials access code 91001

voice message and then presses the pound key (#).

and then hangs up. User B can also play the recorded voice message, take a voice message again, and cancel the voice message.

to retrieve it from the EGW1520 voice mailbox or 91002 from the carrier's voice

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mailbox. User A enters the retrieving ID (user number) and password as prompted, and presses the pound key (#). Then user A can listen to the voice message and perform other settings, such as changing the password, as prompted.

The default access codes for retrieving messages are 91001 and 91002. To change the access code, see Viewing and Changing Service Prefixes.

4. After the voice message is played, user A can delete it as prompted.

Canceling the Service

Click Cancel on the Service Configuration tab page, as shown in Figure 7-149.

Figure 7-149 Canceling the service

?.22.Fixed Mobile Convergence

The Fixed Mobile Convergence (FMC) service allows users to configure the simultaneous ringing, sequential ringing, call toggling, and voice mailbox services.

Introduction



Simultaneous ringing Configure a mobile number as the simultaneous ringing number of a fixed-line phone.

When a user receives a call, the mobile phone and the fixed-line phone ring together. The user can pick up either of the phones to answer the call.

A user can be only configured with one simultaneous ringing number.



Sequential ringing Configure a mobile number as the sequential ringing number of a fixed-line phone.

When a user receives a call, the fixed-line phone rings. If the user does not pick up the fixed-line phone for a specified period, the mobile phone rings.

A user can be only configured with one sequential ringing number.



Call toggling

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Configure a mobile number as the toggling number of a fixed-line phone. When a user is in a call, the user can release the call after toggling it to the mobile phone.



Voice mailbox After you configure the voice mailbox service, the voice mailbox can automatically

answer incoming calls and ask the calling users to leave voice messages. Then the phone displays a message indicating that you have a voice message. To listen to the voice message, dial an access code.

Precautions

The FMC service conflicts with some other services. For details, see Service Conflicts.

Configuring the Service

Before configuring a service, ensure that the service has been enabled. For details on how to enable voice services, see Enabling Voice Services.

Step 1 On the web management system, choose Voice > Service Manager from the navigation tree. Step 2 Click the Service Configuration tab.

The page shown in Figure 7-150 is displayed.

Figure 7-150 Configure Service tab page (1)

Step 3 Click .

The page shown in Figure 7-151 is displayed.

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Figure 7-151 Selecting a user

Step 4 Select a user number.

Step 5 Click .

The page shown in Figure 7-152 is displayed.

Figure 7-152 Configure Service tab page (2)

Step 6 Click Apply.

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Figure 7-153 Configure Service tab page (3)

Parameter

Description

Mobile Number

Indicates the mobile number that you associate with the fixed-line number in the simultaneous ringing, sequential ringing, and call toggling services.

Simultaneous Ringing

When a user receives a call, the mobile phone and the fixed-line phone ring together. The user can pick up either of the phones to answer the call.

Sequential Ringing

If a user does not answer an incoming call for a specified period, the fixed-line phone stops ringing and the mobile phone starts ringing.

Call Toggling

A user can press the hook flash button and dial an access code to switch the call to the mobile phone.

VoiceMailBox

Allows you to set the voice mailbox information. For details, see

Voice Mailbox.

Step 7 Set parameters according to Table 7-35.

Table 7-35 Parameter description

Step 8 Click .

Figure 7-154 shows the configuration result.

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Figure 7-154 Configuration result

To modify the configuration, click Configure.

----End

Using the Service

Simultaneous ringing Assume that user A has configured the simultaneous ringing service and user B's mobile

number is the simultaneous ringing number. When user C calls user A, user A's and user B's phones ring at the same time. Both user A's and user B's phone can answer the call. When a phone is picked up, the other phone stops ringing.

Sequential ringing Assume that user A has configured the sequential ringing service and user B's mobile number

is the sequential ringing number. When user C calls user A but user A does not answer within 20 seconds, user A's phone stops ringing and user B's phone starts to ring. User B can answer the call from user C.

Call toggling Assume that user A has configured the call toggling service and that user B is the one to

whom the call is toggled. User A can exit the conversation with user C and enable user B to talk with user C. The process is as follows:

1. User A presses the hook flash button and dials default service prefix *19# after hearing a

2. User B's phone rings. User B picks up the phone to talk with user C and user A releases

dialing tone. To change the service prefix, see Changing Service Prefixes.

the call.

Voicemail For details on how to configure and use the voicemail service, see Voice Mailbox.

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Canceling the Service

Click Cancel on the Service Configuration tab page, as shown in Figure 7-155.

Figure 7-155 Canceling the service

?.23.Instant Conference Call

The EGW1520 support an instance conference call that allows a maximum of six participants (including the moderator) to join. The moderator can invite other participants to join the conference.

Assigning the Conference Moderator Right

The conference moderator right is assigned by the enterprise IT administrator, and no configuration is required. For details, see Enabling Voice Services.

The moderator must be an intra-office user.

Initiating an Instance Conference Call

Step 1 Log in to the web management system. For details, see 7.7.1 Web Management. Step 2 Enter the user name and password. (Both the initial user name and password for the

moderator are the moderator's internal number.) The page shown in Figure 7-156 is displayed.

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Figure 7-156 Conference page



You are advised to change the initial password to ensure security. To change the initial password, click Change password in Figure 7-156.



If you forget the password, contact the enterprise IT administrator to reset the password. For details, see Enabling Voice Services.

Step 3 Click .

The page shown in Figure 7-157 is displayed.

Figure 7-157 Joining a conference

Step 4 Click .

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The page shown in Figure 7-158 is displayed.

Figure 7-158 Adding participants

Step 5 Set User Name and User No of a participant.



A participant can be an intra-office or outer-office user (such as a PSTN, IMS, or NGN user).



To invite an outer-office user to join the conference through the FXO port on EGW1520, you must set User No based on the FXO dialing rules, such as set User No to the outgoing prefix and the outer-office user's number.

Step 6 Click to start the conference.

The page shown in Figure 7-159 is displayed.

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Figure 7-159 Conference participants

----End

Self-Service

The self-service function allows users to configure voice services that have been enabled.

Prerequisites

Voice services have been enabled by the enterprise IT administrator.

Using the Self-Service Function

Step 1 Log in to the web management system. For details, see 7.7.1 Web Management. Step 2 Enter the user name and password. (Both the initial user name and password are a user's

internal number.) The page shown in Figure 7-160 is displayed.

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Figure 7-160 Self-service



You are advised to change the initial password to ensure security. To change the initial password, click Change password in Figure 7-160.



If you forget the password, contact the enterprise IT administrator to reset the password.

Step 3 Configure voice services as required. For details, see Configuring and Using Voice Services.

----End

Viewing and Changing Service Prefixes

This topic describes how to view and change service prefixes. Users can configure and use voice services by dialing service prefixes.

Prerequisites

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Procedure

Step 1 On the web management system, choose Voice > Service Prefix from the navigation tree.

Step 2 Click in the Operation column.

The page shown in Figure 7-161 is displayed.

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Figure 7-161 Current service prefix

For meanings and use of service prefixes, see Configuring and Using Voice Services.

Step 3 Change the service prefix in the Prefix column.

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Country

Emergency call numbers

Ireland

999, 112

New Zealand

111

Service prefix change rule: The asterisk (*) and number sign (#) cannot be changed. You can change numerals only. Service prefixes related to the voice mailbox cannot contain an asterisk (*) or a number sign (#). Therefore, a service prefix cannot conflict with any internal numbers, external numbers (including all outer-office numbers), or emergency numbers. Table 7-36 lists Ireland's and New Zealand's emergency numbers.

Table 7-36 Ireland's and New Zealand's emergency numbers

Step 4 Click to save the settings.

----End

7.4.2 FXO Port

Description

Principle

This topic describes the principle, implementation, specification, and limitation for the FXO port on the EGW1520 and how to configure the FXO port.

The EGW1520 provides four FXO ports used to connect to PSTN networks, allowing voice users on the EGW1520 to communicate with PSTN users.

The EGW1520 provides an FXO port for connecting to the PSTN network. An intra-office user can dial an outgoing prefix and the number of an outer-office user to make an outgoing call through the FXO port. An outer-office user dials the number that the PSTN network carrier allocates to any FXO port of the four FXO ports on the EGW1520 to make an incoming call.

The EGW1520 supports the switchboard, DDI, and dedicated line functions. By default, the switchboard function is enabled.

An intra-office user can be a POTS user or a SIP user.

Implementation for the Switchboard

Figure 7-162 shows the application scenario for the switchboard.

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Figure 7-162 Application scenario for the switchboard

The call process for the switchboard is as follows: Outgoing call

1. An intra-office user dials the outgoing prefix for the FXO port (for example, 0) and the

number of an outer-office user.

2. The EGW1520 automatically queries an idle non-dedicated FXO port for the user to

make the outgoing call.

A non-dedicated FXO port is a port for which the dedicated line is not configured. For details about the dedicated line, see Implementation for the Dedicated Line.

3. The outer-office user answers the call.

The number that the PSTN network carrier allocates to the FXO port (that is, the switchboard number) is displayed to the called party.

4. One party hangs up the phone to end the call. Incoming call

1. An outer-office user dials the number that the PSTN network carrier allocates to the

FXO port, that is, the switchboard number. The outer-office user hears an announcement, for example, "Thanks for calling XX

company. Please dial the extension number. To query numbers, dial 9. End the number with a pound key."

2. The outer-office user dials an extension number (internal number) or dials 9 (to connect

to the preset attendant number) as prompted, and presses the pound key (#).

3. The intra-office user or attendant answers the call.

4. One party hangs up the phone to end the call.

Implementation for the DDI

The DDI binds an intra-office user to an FXO port. When an outer-office user makes an incoming call to the intra-office user through the FXO port, the call is directly connected to the intra-office user. After the DDI is configured for an FXO port, other users can still make outgoing calls through the FXO port.

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Figure 7-163 shows the application scenario for the DDI.

Figure 7-163 Application scenario for the DDI

The call process for the DDI is as follows: Outgoing call

1. An intra-office user dials the outgoing prefix for the FXO port (for example, 0) and the

number of an outer-office user.

2. The EGW1520 automatically queries an idle non-dedicated FXO port for the user to

make the outgoing call.

A non-dedicated FXO port is a port for which the dedicated line is not configured. For details about the dedicated line, see Implementation for the Dedicated Line.

3. The outer-office user answers the call.

The number that the PSTN network carrier allocates to the FXO port (that is, the switchboard number) is displayed to the called party.

4. One party hangs up the phone to end the call. Incoming call

1. An outer-office user dials the number that the PSTN network carrier allocates to the

FXO port.

2. The phone of the DDI user bound to the FXO port (for example, intra-office user 1 in

Figure 7-163) rings.

3. The DDI user answers the call.

4. One party hangs up the phone to end the call.

The number that the PSTN network carrier allocates to the FXO port is displayed to the called party.

Implementation for the Dedicated Line

The dedicated line binds an intra-office user to an FXO port and sets the FXO port to be a dedicated port. When an outer-office user makes an incoming call to the intra-office user

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through the FXO port, the call is directly connected to the intra-office user. Only the intra-office user can use the FXO port to make outgoing calls.

Figure 7-164 shows the application scenario for the dedicated line.

Figure 7-164 Application scenario for the dedicated line

The call process for the dedicated line is as follows: Outgoing call

1. A dedicated user (for example, intra-office user 1 in Figure 7-164) dials the FXO

outgoing prefix (configurable, for example, 0) and an outer-office user's number.

2. The EGW1520 automatically queries the FXO port bound to the user for the user to

make the outgoing call.

If the bound FXO port is unavailable (for example, no phone line is connected to the FXO port), the EGW1520 automatically queries an idle non-dedicated FXO port for the user to make the outgoing call.

3. The outer-office user answers the call.

The number that the PSTN network carrier allocates to the FXO port is displayed to the called party.

4. One party hangs up the phone to end the call. Incoming call

1. An outer-office user dials the number that the PSTN network carrier allocates to the

FXO port.

2. The phone of the dedicated user bound to the FXO port (for example, intra-office user 1

in Figure 7-164) rings.

3. The dedicated user answers the call.

4. One party hangs up the phone to end the call.

Specification

Four FXO ports..

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Limitation

Parameter

Description

Prefix

Outgoing prefix for the FXO port. The value is a number consisting of 1 to 30 digits. An intra-office user can dial the outgoing prefix to make an



The FXO port supports only the one-stage dialing mode.



Each FXO port allows one user to make an outgoing or incoming call through the FXO port at the same time.

Configuring an Outgoing Prefix

This topic describes how to configure an outgoing prefix for the FXO port on the EGW1520. After the outgoing prefix is configured, an intra-office user can dial the outgoing prefix and the number of an outer-office user to make an outgoing call through the FXO port.

Prerequisite

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Background

For details about the function of outgoing prefixes and how to use outgoing prefixes, see

Description.

Procedure

Step 1 On the web management system, choose Voice > FXO Configuration from the navigation

tree.

Step 2 Click .

The page shown in Figure 7-165 is displayed.

Figure 7-165 Configuring an outgoing prefix for the FXO port

Step 3 Set parameters according to Table 7-37.

Table 7-37 FXO prefix parameters

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Parameter

Description

outgoing call through the FXO port. Assume that the outgoing prefix is 0 and the number of an outer-office user is 12345678. To call this user, an intra-office user dials 12345678.

NOTE



A maximum of 16 outgoing prefixes can be configured for the FXO port on the EGW1520. An intra-office user can use any one of the outgoing prefixes to make an outgoing call through the FXO port.



The outgoing prefix cannot conflict with internal numbers and emergency numbers. If an internal number is the same as the outgoing prefix plus an outer-office number, the internal user is connected.

Delete  Yes: The outgoing prefix is deleted for outgoing calls.

Assume that the outgoing prefix is 0 and the number of an outer-office user is 12345678. To call this user, an intra-office user dials

012345678.



No: The outgoing prefix is not deleted for outgoing calls. This mode is applicable to the situation where the outgoing prefix is the same as the first digit in the outer-office number.

Assume that the outgoing prefix is 1 and the number of an outer-office user is 12345678. To call this user, an intra-office user dials

12345678.

NOTE

The number that the PSTN carrier allocates to the FXO port is displayed to the called party.

Step 4 Click to save the settings.

----End

Verification

Step 1 An intra-office user dials the outgoing prefix for the FXO port (for example, 0) and the

number of an outer-office user.

Step 2 The outer-office user answers the call.

----End

Verify that the call is set up successfully; otherwise, check the configuration.

Configuring the Switchboard

Prerequisite

This topic describes how to configure the switchboard on the EGW1520.

You have logged in to the web management system. For details, see 7.7.1 Web Management.

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Background

Procedure

For details about the application scenario and call process for the switchboard, see

Description.



The switchboard function conflicts with the DDI and dedicated line functions. If the DDI or dedicated line function is enabled, choose Voice > FXO Configuration and delete the binding number on the FXO Toggle tab page before configuring the switchboard function.



The switchboard takes effect automatically after the dedicated line is disabled. No special configuration is required. The following describe how to configure an attendant number. If you do not need to configure an attendant number, skip the following procedure.



Default voice prompts are loaded on the EGW1520 before delivery. To customize voice prompts, see Customizing Voice Prompts for the Switchboard.

If you want to make an outgoing call, configure an outgoing prefix when you configure the switchboard. For the configuration method, see Configuring an Outgoing Prefix.

Step 1 On the web management system, choose Voice > FXO Configuration from the navigation

tree.

Step 2 Click the Operator Configure tab.

The page shown in Figure 7-166 is displayed.

Figure 7-166 Configuring an attendant

Step 3 Click .

The page shown in Figure 7-167 is displayed.

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Figure 7-167 Selecting a user

Step 4 Select an internal number as the attendant number, and click .

Step 5 Click to save the settings.

Verification

Step 1 An outer-office user dials the number that the PSTN network carrier allocates to the FXO port,

Step 2 The outer-office user dials an extension number (internal number) or dials 9 (to connect to the

Step 3 The intra-office user or attendant answers the call.

For details about how to add an internal number, see Adding Voice Users.

----End

Incoming call

that is, the switchboard number.

preset attendant number) as prompted, and presses the pound key (#).

----End

Verify that the call is set up successfully; otherwise, check the configuration. Outgoing call

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Step 1 An intra-office user dials the outgoing prefix for the FXO port (for example, 0) and the

number of an outer-office user.

Step 2 The outer-office user answers the call.

----End

Verify that the call is set up successfully; otherwise, check the configuration.

Configuring the DDI and Dedicated Line

This topic describes how to configure the DDI and dedicated line on the EGW1520.

Prerequisite

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Background

For details about the application scenario and call process for the DDI and dedicated line, see

Description.

The priority of the DDI or dedicated line is higher than that of the switchboard. When the DDI or dedicated line is configured, the switchboard automatically becomes invalid.

Procedure

Step 1 On the web management system, choose Voice > FXO Configuration from the navigation

Step 2 Click the FXO Toggle tab.

If you want to make an outgoing call, configure an outgoing prefix when you configure the DDI and dedicated line. For the configuration method, see Configuring an Outgoing Prefix.

tree.

The page shown in Figure 7-168 is displayed.

Figure 7-168 Configuring the FXO binding number

Step 3 Select the FXO port you want to configure, set parameters according to Table 7-38.

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Parameter

Description

Toggle Number

Internal number bound to the FXO port.

NOTE

For details about how to add an internal number, see Adding Voice Users.

Private Line

Indicates whether to enable the dedicated line function.

Step 4 Click to save the settings.

Verification

Step 1 An outer-office user dials the number that the PSTN network carrier allocates to the FXO

Table 7-38 Configuring the DDI and dedicated line

----End

Incoming call

port.

Step 2 The phone of the intra-office user whose number is bound to the FXO port rings. Step 3 The intra-office user answers the call.

----End

Verify that the call is set up successfully; otherwise, check the configuration. Outgoing call

Step 1 The intra-office user whose number is bound to the FXO port dials the outgoing prefix for the

FXO port (for example, 0) and the number of an outer-office user.

Step 2 The outer-office user answers the call.

----End

Verify that the call is set up successfully; otherwise, check the configuration.

7.4.3 Power-off Survival

The FXO1 port of the EGW1520 can be used as a power-off survival port. When the EGW1520 is powered off, the analog phone connected to the PHONE port can be connected to the PSTN through the FXO1 port.

Principle and Implementation

When the EGW1520 is powered off, the PHONE port automatically connects to the FXO1 port.

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Generally, the EGW1520 power-off survival function is available once the cables are connected. You do not need to configure the function on the web management system. The cables are connected as follows:



The FXO1 port on the EGW1520 has been connected to the PSTN.



An analog phone has been connected to the PHONE port on the EGW1520.

When the EGW1520 is powered off, it automatically connects the analog phone connected to the PHONE port to the PSTN, as shown in Figure 7-169.

Figure 7-169 Power-off survival



When the power-off survival function is enabled, the number of the analog phone connected to the PHONE port changes from the external number to the FXO1 port number, and the dialing rule changes from the EGW1520 dialing rule to the PSTN dialing rule.



After the power-off survival function is enabled, the ongoing call does not end after the EGW1520 powers on again, but the voice services cannot be used until the call ends.



After the power-off survival function is enabled, the FXO switchboard, DDI, and dedicated line functions cannot be used.

To verify that the power-off survival function is enabled, perform the following steps:

1. Cut the power supply of the EGW1520.

2. Use an analog phone that is connected to the PHONE port to call an external number. If the call is connected, the power-off survival function is enabled. If the call is disconnected,

check the connections between the PHONE port and the analog phone, and between the EGW1520 FXO1 port and the PSTN.

Specification

One PSTN Power-off survival port.

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Limitation

7.4.4 Fax Service

Description



The Power-off survival function is available only when a power off occurs.



Only the Analog Phone that connects to the PHONE port supports Power-off survival function.

The EGW1520 supports fax service. Fax is a form of telegraphy for the transmission of fixed images with a view to their

reproduction in a permanent form. In ITU-RV.662, faxing is defined as a form of telecommunication for the reproduction at a distance of graphic documents in the form of other graphic documents geometrically similar to the original.

This topic describes the principle, implementation, specification, and limitation of the fax service.

By transmission rate, faxes are divided into low-speed faxes (<= 14.4 kbit/s) and high-speed faxes (> 14.4 kbit/s).

Low-speed faxes on an IP network are divided into transparently transmitted faxes (using G.711A or G.711u) and T.38 faxes. High-speed faxes, however, can only use G.711A or G.711u featuring low compression rate due to the requirement for high quality.

Principle

The EGW1520 supports T.38 and transparent fax.

The fax service establishes a voice channel and switches the voice channel to a fax channel, including the IP address, port, codec, and channel types (audio, fax, and data).

The voice channel is switched to a fax channel after the access device detects fax signals. The access device checks fax signals to determine whether the current fax is a high-speed or low-speed fax, and then delivers the fax signals to the NGN or IMS.

The EGW1520 supports T.38 and transparent fax. Transparent fax: Fax signals are transmitted transparently as G.711 packets. G.711 faxes

feature low delay and simple implementation, but they occupy a high bandwidth (fixed at 64 kbit/s) and are easily affected by network conditions. Therefore, G.711 faxes are recommended on a good network condition and not recommended when network jitter or packet loss frequently occur. G.711 faxes are applicable to high-speed and low-speed faxes.

T.38 fax: T.30 fax signals are converted to T.38 packets for transmission on a packet switching network. T.38 faxes occupy a low bandwidth, provide high reliability with redundant frames and forward error checking (FEC), and are slightly affected by the network condition. However, the implementation is complicated. T.38 faxes are applicable only to low-speed fax services due to delay generated by the packet switching network.

Implementation

When a fax machine connected to the EGW1520 communicates with an outer-office machine, the NGN or IMS controls the call process. Figure 7-170 shows the network diagram.

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Figure 7-170 EGW1520 outer-office faxing

Specification

Limitation

The NGN or IMS controls call signaling. The EGW1520 detects fax signals and encodes and decodes IP voice packets. After a fax call is established, fax media streams are transmitted over an IP network. The process for making a fax call is similar to that for making an inter-office call. After the fax call is complete, the EGW1520 detects the fax ending signals and sends them to the NGN or IMS. The NGN or IMS negotiates with the calling and called users about the fax media information. After the negotiation is successful, the EGW1520 switches to the fax channel according to the NGN or IMS's signaling to establish a fax call. After the fax call is complete, the EGW1520 detects the fax ending signals and sends them to the NGN or IMS. Then the NGN or IMS switches to the voice channel.

Standards supported by fax service:



One FXS ports for fax machines



T.30



T.38



V.17/V.21/V.27/V.29/V.34

N/A

Configuring the Fax Service

Generally, the EGW1520 faxing function is available once the cables are connected, you do not need to configure the function on the web management system. This topic describes how to set the advanced parameters for faxing.

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Prerequisites

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Configuring the Priority

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree. Step 2 Click the DSP tab.

The page shown in Figure 7-171 is displayed.

Figure 7-171 DSP tab page

Step 3 Set parameters according to Table 7-39.

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Table 7-39 DSP parameters

Parameter

Description

Codec

DSP codec type. If multiple options are selected, the system sends messages based on the specified codec rank. By default, all options are selected.

NOTE

Compared with other codec types, G729, G726, and G722 consume more DSP resources.

Codec Ptime (ms)

For each codec type, you can change the duration of packaging voice streams to 10 ms, 20 ms, or 30 ms. The default value is 20 ms.

Echo Cancellation

Indicates the echo cancellation switch. The options are Enable and Disable, and the default value is Enable.

The high-speed transparent transmission mode has the echo processing mechanism. You are advised to disable the echo cancellation function for the high-speed transparent transmission mode and enable this function for low-speed transparent transmission mode.

Enable Silence Suppress

Indicates the silence suppression switch. The options are Enable and Disable. The default value is Enable, which indicates that the system sends silence packets if no voice packet is available.

Receive Gain (dB)

Indicates the receiving gain of DSP chips. The value ranges from –14 to 6. The default value is 0.

Send Gain (dB)

Indicates the sending gain of DSP chips. The value ranges from –14 to 6. The default value is 0.

Fax Prior Mode

Indicates the fax transmission mode. The options are as follows:



T38: Only T38 is supported.



VBD: Only voice band data (VBD) is supported.



T38-VBD: Both T38 and VBD are supported, and T38 has a higher priority.



VBD-T38: Both T38 and VBD are supported, and VBD has a higher priority.

The default value is VBD-T38.

Media Negotiation Mode

Indicates the priority used in media negotiation.



Prefer remote codec: During media negotiation, the codec priority at the remote end is preferred.



Prefer local codec: During media negotiation, the codec priority at the local end is preferred.

The default value is Prefer remote codec.

DTMF Transfer Mode

Indicates the transmission mode in a session.



RFC2833: RFC2833 transmission mode.



Transfer: transparent transmission mode. Dialing tones are transmitted transparently as voice signals.

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Parameter

Description

The default value is RFC2833.

VBD Mode

Indicates the codec type for transparent transmission. The options are G711A and G711U, and the default value is G711A.

Parameter

Description

Fax Rate

Indicates the faxing rate mode. Value transferredTcf indicates remote training mode.

UDPEC

Indicates the UDP redundancy correction capability. The EGW1520 supports t38udpredundancy. If the redundancy correction capability is carried in fax negotiation signals, the EGW1520 uses the redundancy technology to send T38 data when the peer end also supports redundancy.

Max Rate

Indicates the maximum faxing rate. If the maximum faxing rate at the peer end is smaller than that at the local end, use the smaller one; otherwise, use the value of this parameter.

Step 4 Click to save the settings.

----End

Viewing T38 Fax Parameters

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree. Step 2 Click the T38 tab.

The page shown in Figure 7-172 is displayed.

Figure 7-172 T38 tab page

Step 3 Set parameters according to Table 7-40.

Table 7-40 T.38 fax parameters

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Parameter

Description

Transport Protocol

Indicates the transmission protocol. The EGW1520 supports UDP.

----End

7.4.5 Voice Parameters

This topic describes how to set voice parameters. Only network administrators can change the parameter settings. To ensure the normal running of the EGW1520, you are advised to use the default settings.

Prerequisites

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Configuring the Region

On the Region tab page, specify analog phone standards in different countries. Dialing tones and signal tone frequency vary according to area and country. Configure the parameters based on requirement.

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree.

The page shown in Figure 7-173 is displayed.

Figure 7-173 Region tab page

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Step 2 Set parameters according to Table 7-41.

Parameter

Description

Current Country

Country name.

Slic Gain RX (dB)

Receiving gain of an analog phone. The value ranges from -12 dB to +6 dB.

Slic Gain TX (dB)

Sending gain of an analog phone. The value ranges from -12 dB to +6 dB.

FlashHook Max (ms)

Maximum interval for pressing the hook flash button. The value ranges from 0 to 1000, in milliseconds. If the hook flash button is not pressed within the duration specified by this parameter, the call will end.

FlashHook Min (ms)

Minimum interval for pressing the hook flash button. The value ranges from 0 to 1000, in milliseconds. If the interval is smaller than the value of this parameter, the hook flash operation does not take effect.

OnHook Min (ms)

Minimum interval for confirming hang-up. The value ranges from 0 to 2000, in milliseconds. If the hang-up interval is smaller than the value of this parameter, the hang-up operation does not take effect.

OffHook Min (ms)

Minimum interval for confirming pickup. The value ranges from 0 to 2000, in milliseconds. If the pickup interval is smaller than the value of this parameter, the pickup operation does not take effect.

Table 7-41 Region parameters

Step 3 Click to save the settings.

----End

Configuring the DSP

On the DSP tab page, configure voice quality information about DSP chips, such as codec type, noise and echo cancellation, silence suppression, and gains.

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree. Step 2 Click the DSP tab.

The page shown in Figure 7-174 is displayed.

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Figure 7-174 DSP tab page

Parameter

Description

Codec

DSP codec type. If multiple options are selected, the system sends messages based on the specified codec rank. By default, all options are selected.

NOTE

Compared with other codec types, G729, G726, and G722 consume more DSP resources.

Codec Ptime (ms)

For each codec type, you can change the duration of packaging voice streams to 10 ms, 20 ms, or 30 ms. The default value is 20 ms.

Echo Cancellation

Echo cancellation switch. The options are Enable and Disable, and the default value is Enable.

Step 3 Set parameters according to Table 7-42.

Table 7-42 DSP parameters

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Parameter

Description

Enable Silence Suppress

Silence suppression switch. The options are Enable and Disable. The default value is Enable, which indicates that the system sends silence packets if no voice packet is available.

Receive Gain (dB)

Receiving gain of DSP chips. The value ranges from -14 to 6. The default value is 0.

Send Gain (dB)

Sending gain of DSP chips. The value ranges from -14 to 6. The default value is 0.

Fax Prior Mode

Fax transmission mode. The options are as follows:



T38: Only T38 is supported.



VBD: Only voice band data (VBD) is supported.



T38-VBD: Both T38 and VBD are supported, and T38 has a higher priority.



VBD-T38: Both T38 and VBD are supported, and VBD has a higher priority.

The default value is VBD-T38.

Media Negotiation Mode

Priority used in media negotiation.



Prefer remote codec: During media negotiation, the codec priority at the remote end is preferred.



Prefer local codec: During media negotiation, the codec priority at the local end is preferred.

The default value is Prefer remote codec.

DTMF Transfer Mode

Transmission mode in a session.



RFC283: RFC2833 transmission mode.



Transfer: transparent transmission mode. Dialing tones are transmitted transparently as voice signals.

The default value is RFC2833.

VBD Mode

Codec type for transparent transmission. The options are G711A and G711U, and the default value is G711A.

Step 4 Click to save the settings.

----End

Configuring RTP

On the RTP tab page, set the parameters used for playing voices on analog phones such as the maximum and minimum media port numbers.

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree. Step 2 Click the RTP tab.

The page shown in Figure 7-175 is displayed.

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Figure 7-175 RTP tab page

Parameter

Description

Min UDP Port

Minimum media port number used for playing voices on analog phones.

Max UDP Port

Maximum media port number used for playing voices on analog phones.

DTMF (RFC2833)

Whether RFC2833 is used for encryption. The options are

Enable and Disable. Payload Type: payload for RFC2833 used for encryption. The

value must be unique on the EGW1520. It is recommended that you set this parameter to the payload type of the softswitch. If the parameter value is different from that on the softswitch, call connections may fail to be set up.

RTCP

Whether to enable the RTCP function. The options are Enable and Disable. The default value is Disable.

Step 3 Set parameters according to Table 7-43.

Table 7-43 RTP parameters

After changing the UDP port number, restart the device to make the configuration take effect.

Step 4 Click to save the settings.

----End

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Viewing T38 Fax Parameters

Parameter

Description

Fax Rate

Faxing rate mode. Value transferredTcf indicates remote training mode.

UDPEC

UDP redundancy correction capability. The EGW1520 supports t38udpredundancy. If the redundancy correction capability is carried in fax negotiation signals, the EGW1520 uses the redundancy technology to send T38 data when the peer end also supports redundancy.

Max Rate

Maximum faxing rate. If the maximum faxing rate at the peer end is smaller than that at the local end, use the smaller one; otherwise, use the value of this parameter.

Transport Protocol

Transmission protocol. The EGW1520 supports UDP.

On the T38 tab page, you can view T.38 fax parameters.

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree. Step 2 Click the T38 tab.

The page shown in Figure 7-176 is displayed.

Figure 7-176 T38 tab page

Step 3 Set parameters according to Table 7-44.

Table 7-44 T38 fax parameters

----End

Configuring SIP

On the SIP tab page, configure the timeout interval for local SIP users to register with the EGW1520.

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree.

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Step 2 Click the SIP tab.

Parameter

Description

SIP Register Expire (s)

Timeout interval for local SIP users to register with the EGW1520.



Min: Minimum timeout interval for local SIP users to register with the EGW1520. The default value is 120.



Max: Maximum timeout interval for local SIP users to register with the EGW1520. The default value is 3600.

Local Subscribe Expire (s)

Timeout interval for local SIP users to subscribe to a service (such as voice message and voice mailbox) with the EGW1520



Min: Minimum timeout interval for local SIP users to subscribe to a service with the EGW1520. The default value is 120.



Max: Maximum timeout interval for local SIP users to subscribe to a service with the EGW1520. The default value is 3600.

Network Subscribe Expire (s)

Default timeout interval for the EGW1520 to subscribe to a service with the NGN or IMS.

SIP Session Timer

Whether to use the session timer. The session timer is disabled by default. When the session timer is enabled, the two parties can check the conversation status using the update or reinvite signaling.

The page shown in Figure 7-177 is displayed.

Figure 7-177 SIP tab page

Step 3 Set parameters according to Table 7-45.

Table 7-45 SIP parameters

Step 4 Click to save the settings.

----End

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Configuring SIP ALG

Parameter

Description

Server port



Master: Port number used by the active SIP server to send and receive packets.



Slave: Port number used by the standby SIP server to send and receive packets.



Extended: Extended port number used by the SIP ALG to send and receive packets.

RTP port



Min: Minimum media port that can be used by the RTP server.



Max: Maximum media port that can be used by the RTP server.

On the SIP ALG tab page, configure SIP servers in an outer office.

Step 1 On the web management system, choose Voice > Voice Parameters from the navigation tree. Step 2 Click the SIP ALG tab.

The page shown in Figure 7-178 is displayed.

Figure 7-178 SIP ALG tab page

Step 3 Set parameters according to Table 7-46.

Table 7-46 SIP ALG parameters

Step 4 Click to save the settings.

----End

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7.5 Data

This topic describes EGW1520 data features and how to configure the features.

7.5.1 LAN

The EGW1520 provides four LAN ports to connect terminals such as computers and IP phones. In addition, the EGW1520 can function as a Dynamic Host Configuration Protocol (DHCP) server to allocate private IP addresses to terminals. After network address translation (NAT), terminals are connected to the IP network and the IP network connects the terminals to the Internet or IMS/NGN.

Description

This topic describes the principle, implementation, specification, and limitation of LAN ports.

Principle

The EGW1520 complies with IEEE802.3u 100Base-T.

Implementation

The EGW1520 provides four LAN ports to connect terminals such as computers and IP phones, as shown in Figure 7-179. The EGW1520 can function as a DHCP server to allocate private IP addresses to terminals. After NAT, terminals are connected to the IP network and the IP network connects the terminals to the Internet, IMS, or NGN.

Figure 7-179 LAN diagram

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Specification

For details about the DHCP server and trunk, see the DHCP Feature Description.



Four 10/100 Mbit/s self-adaptive LAN ports.



Default IP address of LAN ports: 192.168.1.1; subnet mask: 255.255.255.0.



DHCP server function, allocating IP addresses to computers and IP phones that connect to LAN ports.



Standards supported by LAN ports:

− MAC Address (IEEE 802.3)

− IPv4 Internet Protocol v4 (RFC 791)

− ARP Address Resolution Protocol (RFC 826)

− ICMP Internet Control Message Protocol (RFC 792)

− An Ethernet Address Resolution Protocol (RFC 0826)

− A Standard for the Transmission of IP Datagrams over Ethernet Networks (RFC

0894)

− A Standard for the Transmission of IP Datagrams over IEEE 802 Networks (RFC

1042)

− DHCP (RFC 2131), TCP Transmission Control Protocol (RFC 793)

− UDP User Datagram Protocol (RFC 768)

Limitation



The LAN port supports half-duplex and full-duplex self adaptation, but cannot be forced to use full duplex or half duplex.



IPv6 is not supported.

Configuration

This topic describes how to configure a LAN.

Prerequisites

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Background

LAN configuration for the EGW1520 includes:



Set the IP address of the LAN gateway. For details, see Setting the IP Address of the

LAN Gateway.



Configure the EGW1520 as the DHCP server or DHCP relay. For details, see

Configuring the DHCP Server and Configuring the DHCP Relay.

Setting the IP Address of the LAN Gateway

Terminals such as PCs and IP phones use the IP address of the LAN gateway to communicate with other networks and to connect to the EGW1520.

The default IP address of the LAN gateway is 192.168.1.1.

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Step 1 On the web management system, choose Network > LAN from the navigation tree.

Parameter

Description

IP Address

Indicates the IP address of the LAN gateway. Terminals use it to connect to the LAN port on the EGW1520. The default value is

192.168.1.1. You can change this value.

CAUTION



The IP addresses of the LAN gateway, ADSL port, and WAN port cannot be on the same network segment.



The IP address of the LAN gateway cannot conflict with that of any other device on the same network segment.

Subnet Mask

Indicates the subnet mask of the IP address of the LAN gateway. The default value is 255.255.255.0.

Web Access Mode

Indicates the protocol that is used to access the web page of the EGW1520.



Http: The web browser interacts with the EGW1520 using HTTP.



Https: The web browser interacts with the EGW1520 using HTTPS, which ensures user information security.

The HTTPS protocol is used by default.

LAN Side Firewall



Enable: Enable the firewall on the LAN side.

The page shown in Figure 7-180 is displayed.

Figure 7-180 Setting the IP address of the LAN gateway

Step 2 Set parameters according to Table 7-47.

Table 7-47 Parameter description

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Parameter

Description

NOTE

When this function is enabled, the firewall blocks all packets that are sent to the upstream network or the EGW1520 over the LAN network. To allow specified packets to pass the firewall, choose Advanced > Security and set related parameters on the Filter incoming IP tab page.



Disable: Disable the firewall on the LAN side.

By default, this function is disabled.

LAN Side ICMP



Enable: ICMP packets on the LAN side can be sent to the EGW1520.



Disable: ICMP packets on the LAN side cannot be sent to the EGW1520.

By default, this function is enabled.

----End

Configuring the DHCP Server

After you configure the EGW1520 as the DHCP server, terminals such as PCs and IP phones that connect to the EGW1520 obtain the IP address information through the EGW1520.

Step 1 Click Advanced on the LAN Setup page.

The page shown in Figure 7-181 is displayed.

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Figure 7-181 Configuring the DHCP server (1)

Parameter

Description

Start IP Address

Indicates the start IP address in the address pool. It must be on the same network segment as the LAN gateway. The default value is recommended.

End IP Address

Indicates the end IP address in the address pool. It must be on the same network segment as the LAN gateway. The default value is recommended.

Leased Time (hour)

Indicates the IP address lease interval. If the lease expires and the DHCP client does not renew the lease, the DHCP server releases the IP addresses that are granted to the DHCP client for other clients.

Step 2 Set parameters according to Table 7-48.

Table 7-48 Parameter description

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Step 3 (Optional) Allocate IP addresses by binding them with MAC addresses statically.

After configuration, the DHCP server finds the IP address based on the bound MAC address and allocates the IP address to the corresponding DHCP client. This mode is applicable to clients that require a fixed IP address such as the FTP server.

1. Click .

The page shown in Figure 7-182 is displayed.

Figure 7-182 Configuring the DHCP server (2)

2. Enter the MAC address of the DHCP client and the IP address that you want to bind with

the MAC address.

3. Click to save the settings.



To obtain the MAC address of a PC, choose Start > Run, type cmd, and press Enter. On the command-line interface (CLI) that is displayed, run the ipconfig /all command. The value of Physical Address corresponding to the 192.168.x.y indicates the MAC address.



To obtain the MAC address of other network devices such as IP phones, see the related document.

Step 4 Click to save the settings.

----End

Configuring the DHCP Relay

If the DHCP server has been deployed but it is on a different network segment from terminals (such as PCs and IP phones), configure the EGW1520 as the DHCP relay. After configuration, the EGW1520 forwards terminals' DHCP requests to the DHCP server. The DHCP server sends the IP address allocation information to the EGW1520, and the EGW1520 forwards the information to terminals.

The DHCP client enables terminals that connect to the EGW1520 and DHCP clients on other networks to use the same DHCP server. This reduces costs and simplifies management.

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

The DHCP relay conflicts with the NAT function. Before configuring the EGW1520 as the DHCP relay, you must disable the NAT function.



When configuring the EGW1520 as the DHCP relay, ensure that a reachable route exists between the EGW1520 and DHCP server.

Step 1 Click Enable DHCP Server Relay, as shown in Figure 7-183.

Figure 7-183 Configuring the DHCP relay

Step 2 Enter the IP address of the DHCP server.

Step 3 Click to save the settings.

----End

LAN Setting Example (EGW1520 as DHCP Server)

Network Requirements



PCs use the LAN switch to connect to the LAN port on the EGW1520, while the IP phone and FTP server connect to the LAN port on the EGW1520 directly.



The EGW1520 functions as the DHCP server and automatically allocates IP addresses for the PCs, IP phone, and FTP server.



After configuration, the FTP server obtains a fixed IP address, while the IP phone and PCs obtain dynamic IP addresses through the EGW1520.

Typical Network

Figure 7-184 shows the typical network.

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Figure 7-184 Typical network (1)

Procedure

Step 1 Configure that the FTP server, IP phone, and PCs obtain IP addresses automatically. For

details, see the related user guide.

Step 2 Configure the EGW1520 as the DHCP server. For details, see step 1 in Configuring the

DHCP Server.

Step 3 Query and record the MAC address of the FTP server. For details, see Obtain the MAC

address.

Step 4 Allocate the IP address that is bound to the MAC address to the FTP server. For details, see

step 2 in Configuring the DHCP Server.

----End

Verification

Verify that the FTP server, PCs, and IP phone have obtained IP addresses and that IP address that the FTP server obtains is bound to its MAC address.

LAN Setting Example (EGW1520 as DHCP Relay)

Network Requirements

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

The DHCP server (IP address: 192.168.2.1) is deployed on the network. The LAN port on the EGW1520 connects to the DHCP server through a router.



The PCs, IP phone, and FTP server directly connect to the LAN port on the EGW1520.



The EGW1520 functions as the DHCP relay and allocates IP addresses for the PCs, IP phone, and FTP server.



After configuration, the FTP server obtains a fixed IP address, while the IP phone and PCs obtain dynamic IP addresses through the EGW1520.

Typical Network

Figure 7-185 shows the typical network.

Figure 7-185 Typical network (2)

Procedure

Step 1 Configure that the FTP server, IP phone, and PCs obtain IP addresses automatically. For

details, see the related user guide.

Step 2 Configure the EGW1520 as the DHCP relay, and set the IP address of the DHCP server to

192.168.2.1. For details, see Configuring the DHCP Relay.

Step 3 Add a static route on the EGW1520, and set the destination network segment to

192.168.2.0/24. For details, see 7.5.5 Static Route.

Step 4 Set the gateway IP address to 192.168.2.2/24 on the DHCP server. For details, see the DHCP

server user guide.

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Step 5 Add an address pool whose start IP address is 192.168.1.0 and end IP address is 192.168.1.24

7.5.2 DHCP

Description

for the DHCP server, and allocate the IP address that is bound to the MAC address to the FTP server. For details, see the DHCP server user guide.

----End

Verification

Verify that the FTP server, PCs, and IP phone have obtained IP addresses in the network segment 192.168.1.0/24, and that IP address that the FTP server obtains is bound to its MAC address.

Dynamic Host Configuration Protocol (DHCP) is a protocol for dynamically managing and configuring users in a centralized manner. It uses the Client/Server structure. A DHCP client sends the DHCP server a request to apply for parameter settings, including the IP address, subnet mask, and default gateway. Then the DHCP server sends the parameter settings to the DHCP client. The EGW1520 can function as a DHCP server or a DHCP relay to allocate IP addresses to PCs, IP phones, and Wi-Fi terminals that are connected to the EGW1520. The EGW1520 can also function as a DHCP client.

This topic describes the principle, implementation, specification, and limitation of the DHCP.

Principle

Network scales and complexity grow fast, and therefore the network configurations become increasingly complicated. For example, the locations of hosts such as portable computers and wireless terminals frequently change, and the number of hosts often exceeds the number of available IP addresses. The DHCP was developed to solve these problems.

The DHCP uses the Client/Server structure. A DHCP client sends the DHCP server a request to apply for parameter settings. Then the DHCP server sends the parameter settings such as the IP address information to the DHCP client. This achieves dynamic IP address allocation.

Implementation

DHCP client The EGW1520 can function as a DHCP client and dynamically obtain IP addresses and

configuration data from the DHCP server, as shown in Figure 7-186.

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Figure 7-186 DHCP client

DHCP server

The EGW1520 can also function as a DHCP server, allocating IP addresses to DHCP clients dynamically or statically.

A DHCP client requests an IP address and applies for a lease period for this IP address. During the release period, the DHCP server will not allocate the IP address to another client unless the DHCP client releases the IP address before lease expiration. When the first half of the lease period passes, the DHCP client sends a lease renewal request to the DHCP server. After a negotiation, the DHCP client continues to use this IP address in a new lease period until half of this lease period passes or client releases the IP address, as shown in Figure

7-187.

Figure 7-187 DHCP server

The DHCP server allocates IP addresses to DHCP clients in the following order of priority:

1. IP addresses in the DHCP server's database that are statically bound to DHCP clients'

MAC addresses

2. IP addresses allocated to DHCP clients before, namely, IP addresses specified in the

Requested IP Addr Option field in the DHCP_Discover packet sent by DHCP clients

3. Allocatable IP addresses in the DHCP address pool

If the DHCP address pool has no available IP address, the DHCP server searches timeout and conflicting IP addresses in sequence for an unused IP address, and then allocates the IP address to the DHCP client. If all the IP addresses are used, an error is reported.

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DHCP relay The initial DHCP protocol applies to scenarios where DHCP clients and their DHCP server

are on the same network segment. Therefore, to implement dynamic host configuration, you must configure a DHCP server on each network segment, which requires high investment. To solve this problem, you can use the DHCP relay function to connect DHCP clients on different network segments to the only DHCP server. DHCP packets on different network segments are sent to the same target DHCP server or client. By doing so, DHCP clients can use the same DHCP server, which is cost-effective and convenient for centralized management. Figure 7-188 shows a DHCP relay.

Figure 7-188 DHCP relay

Specification

Limitation

The DHCP relay works as follows:

1. After being initialized, the DHCP client broadcasts configuration request packets on the

local network.

2. If a DHCP server exists on the local network, the DHCP client communicates with the

DHCP server without the DHCP relay.

3. If there is no DHCP server on the local network, a local device enabled with the DHCP

relay function processes the broadcast packets, and then forwards the packets to the specified DHCP server on another network.

4. The DHCP server sets parameters in the packets and sends the configuration to the

DHCP client through the DHCP relay.



As a DHCP server, the EGW1520 can configure an IP address pool. The default IP address ranges from 192.168.1.2 to 192.168.1.254.



As a DHCP relay, the EGW1520 complies with RFC 3361.



As a DHCP client, the EGW1520 supports Option42/43/60/61/66/67/120/125/150.

N/A

Configuration

This topic describes how to configure the EGW1520 as a DHCP Server, DHCP client, or DHCP Relay.

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Prerequisites

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Configuring the DHCP Client

The EGW1520 uses an ADSL or a WAN port to connect to the IP network. You can configure the EGW1520 as a DHCP client. After configuration, the EGW1520 obtains configurations such as the IP address information from the DHCP server. For details, see DHCP(ADSL) and

DHCP(WAN).

Configuring the DHCP Server

After you configure the EGW1520 as the DHCP server, terminals such as PCs and IP phones that connect to the EGW1520 obtain the IP address information through the EGW1520.

Step 1 Click Advanced on the LAN Setup page.

The page shown in Figure 7-189 is displayed.

Figure 7-189 Configuring the DHCP server (1)

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Step 2 Set parameters according to Table 7-49.

Parameter

Description

Start IP Address

Indicates the start IP address in the address pool. It must be on the same network segment as the LAN gateway. The default value is recommended.

End IP Address

Indicates the end IP address in the address pool. It must be on the same network segment as the LAN gateway. The default value is recommended.

Leased Time (hour)

Indicates the IP address lease interval. If the lease expires and the DHCP client does not renew the lease, the DHCP server releases the IP addresses that are granted to the DHCP client for other clients.

Table 7-49 Parameter description

Step 3 (Optional) Allocate IP addresses by binding them with MAC addresses statically.

After configuration, the DHCP server finds the IP address based on the bound MAC address and allocates the IP address to the corresponding DHCP client. This mode is applicable to clients that require a fixed IP address such as the FTP server.

1. Click .

The page shown in Figure 7-190 is displayed.

Figure 7-190 Configuring the DHCP server (2)

2. Enter the MAC address of the DHCP client and the IP address that you want to bind with

the MAC address.

3. Click to save the settings.

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

To obtain the MAC address of a PC, choose Start > Run, type cmd, and press Enter. On the command-line interface (CLI) that is displayed, run the ipconfig /all command. The value of Physical Address corresponding to the 192.168.x.y indicates the MAC address.



To obtain the MAC address of other network devices such as IP phones, see the related document.

Step 4 Click to save the settings.

----End

Configuring the DHCP Relay

If the DHCP server has been deployed but it is on a different network segment from terminals (such as PCs and IP phones), configure the EGW1520 as the DHCP relay. After configuration, the EGW1520 forwards terminals' DHCP requests to the DHCP server. The DHCP server sends the IP address allocation information to the EGW1520, and the EGW1520 forwards the information to terminals.

The DHCP client enables terminals that connect to the EGW1520 and DHCP clients on other networks to use the same DHCP server. This reduces costs and simplifies management.



The DHCP relay conflicts with the NAT function. Before configuring the EGW1520 as the DHCP relay, you must disable the NAT function.



When configuring the EGW1520 as the DHCP relay, ensure that a reachable route exists between the EGW1520 and DHCP server.

Step 1 Click Enable DHCP Server Relay, as shown in Figure 7-191.

Figure 7-191 Configuring the DHCP relay

Step 2 Enter the IP address of the DHCP server.

Step 3 Click to save the settings.

----End

LAN Setting Example (EGW1520 as DHCP Server)

Network Requirements



PCs use the LAN switch to connect to the LAN port on the EGW1520, while the IP phone and FTP server connect to the LAN port on the EGW1520 directly.

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

The EGW1520 functions as the DHCP server and automatically allocates IP addresses for the PCs, IP phone, and FTP server.



After configuration, the FTP server obtains a fixed IP address, while the IP phone and PCs obtain dynamic IP addresses through the EGW1520.

Typical Network

Figure 7-192 shows the typical network.

Figure 7-192 Typical network (1)

Procedure

Step 1 Configure that the FTP server, IP phone, and PCs obtain IP addresses automatically. For

details, see the related user guide.

Step 2 Configure the EGW1520 as the DHCP server. For details, see step 1 in Configuring the

DHCP Server.

Step 3 Query and record the MAC address of the FTP server. For details, see Obtain the MAC

address.

Step 4 Allocate the IP address that is bound to the MAC address to the FTP server. For details, see

step 2 in Configuring the DHCP Server.

----End

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LAN Setting Example (EGW1520 as DHCP Relay)

Network Requirements



The DHCP server (IP address: 192.168.2.1) is deployed on the network. The LAN port on the EGW1520 connects to the DHCP server through a router.



The PCs, IP phone, and FTP server directly connect to the LAN port on the EGW1520.



The EGW1520 functions as the DHCP relay and allocates IP addresses for the PCs, IP phone, and FTP server.



After configuration, the FTP server obtains a fixed IP address, while the IP phone and PCs obtain dynamic IP addresses through the EGW1520.

Typical Network

Figure 7-193 shows the typical network.

Figure 7-193 Typical network (2)

Procedure

Step 1 Configure that the FTP server, IP phone, and PCs obtain IP addresses automatically. For

details, see the related user guide.

Step 2 Configure the EGW1520 as the DHCP relay, and set the IP address of the DHCP server to

192.168.2.1. For details, see Configuring the DHCP Relay.

Step 3 Add a static route on the EGW1520, and set the destination network segment to

192.168.2.0/24. For details, see 7.5.5 Static Route.

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Step 4 Set the gateway IP address to 192.168.2.2/24 on the DHCP server. For details, see the DHCP

Step 5 Add an address pool whose start IP address is 192.168.1.0 and end IP address is 192.168.1.24

7.5.3 WLAN

Description

Principle

server user guide.

for the DHCP server, and allocate the IP address that is bound to the MAC address to the FTP server. For details, see the DHCP server user guide.

----End

The EGW1520 can connect to the wireless network to provide Wi-Fi services. This provides small enterprises with a network solution integrating wired and wireless technologies.

This topic describes the principle, implementation, specification, and limitation of the EGW1520 WLAN.

A WLAN is a LAN using wireless channels. It is an important supplement to wired network access. WLAN is widely used in areas requiring mobile data processing or ease of installation. As an interoperability standard of WLAN, Wireless Fidelity (Wi-Fi) works in short-distance wireless areas such as offices and homes. The EGW1520 complies with IEEE802.11b/g/n.

Implementation

The EGW1520 functions as an Access Point (AP) to provide WLAN services. It encapsulates data into packets and sends the packets to the carrier network through an IP network. Wi-Fi terminals are connected to the EGW1520 in wireless mode. The EGW1520 connects these Wi-Fi terminals to the Internet by providing WLAN services, as shown in Figure 7-194.

Figure 7-194 WLAN network diagram

A Wi-Fi terminal connects to an EGW1520 in three phases: Scan, Authentication, and Association, as shown in Figure 7-195.

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Figure 7-195 Connection phases

The phases are as follows:

1. Scan

The Wi-Fi terminal uses a wireless network adapter that complies with IEEE802.11 b/g/n to scan available EGW1520s. The following scan modes are provided:

− Active scan

The Wi-Fi terminal sends Probe Request frames in all channels to search for an AP that has the same service set identifier (SSID). The Wi-Fi terminal does not stop sending Probe Request frames until a required AP is found. When receiving a Probe Request frame, the AP sends a Probe Response frame to the Wi-Fi terminal.

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− Passive scan

The Wi-Fi terminal passively receives Beacon frames (with a broadcast or hidden SSID) that are sent by APs periodically.

When the Wi-Fi terminal finds an AP with the same SSID, authentication starts.

When finding multiple APs, the Wi-Fi terminal connects to the AP whose signals are the strongest.

2. Authentication

The Wi-Fi terminal sends an authentication message to the AP. The AP authenticates the Wi-Fi terminal based on the message that is received. If the authentication is successful, the AP sends the success notification to the Wi-Fi terminal.

3. Association

After receiving the authentication success response, the Wi-Fi terminal sends an association request to the AP. The AP processes the request, sets up a connection, and sends a response to the Wi-Fi terminal.

After the association, the Wi-Fi terminal can use the AP to send data frames to the network.

Specification



IEEE802.11b, IEEE802.11g, and IEEE802.11n are supported.

− IEEE802.11b, with the maximum transmission rate of 11 Mbit/s and frequency of 2.4

GHz

− IEEE802.11g, with the maximum transmission rate of 54 Mbit/s and frequency of 2.4

GHz (compatible with IEEE802.11b)

− IEEE802.11n, with the maximum transmission rate of 300 Mbit/s and Multi-Input

Multi-Output (MIMO) supported



A maximum of 16 WiFi terminals can be connected.



Four service set identifiers (SSIDs) are supported and SSID broadcast and hiding are supported.

− The default value of the primary SSID is eSpace EGW_XXXX.

− Three subordinate SSIDs are eSpace EGW_XXXX_S1, eSpace EGW_XXXX_S2,

and eSpace EGW_XXXX_S3. XXXX is the last four bits in the WLAN MAC address.



A maximum of 16 MAC addresses can be filtered.



Wi-Fi authentication standards:

− 64 bit or 128 bit Wired Equivalent Privacy (WEP)

− WPA-PSK, WPA2-PSK, and Combination of WPA-PSK and WPA2-PSK

− Maximum transmit power:

− 802.11b/g/n (SISO): 16±2 dBm

− 802.11n (MIMO): 18±2 dBm

− Wi-Fi Protected Setup (WPS)

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Limitation

Wi-Fi bridging is not supported.

Configuring the WLAN Function for the EGW1520

The EGW1520 uses WLAN to connect WLAN terminals, such as PCs and mobile phones. If the EGW1520 connects to the upstream network, it functions as an access point (AP), which allows terminals to access the Internet.

Prerequisite

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Context

The following describes how to enable and configure the WLAN function. For terminal configuration, see the user guide of each WLAN terminal.

Enable the WLAN Function

Step 1 On the web management system, choose Network > WLAN from the navigation tree.

The page shown in Figure 7-196 is displayed.

Figure 7-196 Enabling the WLAN function

Step 2 Set parameters according to Table 7-50.

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Table 7-50 Parameter description

Parameter

Description

WLAN

Enables or disables the WLAN function. The options are as follows:



Enable



Disable

By default, the WLAN function is enabled.

Hide Access Point

Hides the access point EGW1520. When connecting a Wi-Fi terminal to an AP, enter the service set identifier (SSID) of the AP.

Isolate Clients

Isolates Wi-Fi terminals connected to the EGW1520 to disable the data communication among terminals.

Disable WMM (Wi-Fi MultiMedia)

Disables the Wi-Fi Multimedia (WMM) advertising function. Packets of this service are marked priorities. In response to these markings, routers and switches use various queuing strategies to tailor performance to requirements.

Enable Wireless Multicast Forwarding (WMF)

Enables the WMF function.

SSID

Indicates the ID of the EGW1520, which is displayed on the terminal when searching for an AP. The default value is eSpace EGW_****, where **** indicates the last four digits in the MAC address of the Wi-Fi AP. The value can be defined by users.

NOTE

EGW1520 supports four SSIDs to divide subnets.

BSSID

Indicates the MAC address of the AP.

Country

Indicates the country name. The Wi-Fi frequency band is determined by the WLAN frequency band of the country.

Max Clients

Indicates the maximum number of WLAN terminals(16) accessing to the EGW1520.

Step 3 Click to save the settings.

----End

Configure the WLAN Security

The WLAN security configuration prevents unauthorized users from accessing or listening on your wireless network.

Step 1 On the web management system, choose Network > WLAN from the navigation tree. Step 2 Click the Security tab.

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The page shown in Figure 7-197 is displayed.

Parameter

Description

Select SSID

Indicates the SSID. The default value is eSpace EGW_**** where **** indicates the last four digits in the MAC address.

NetWork Authentication

Authenticates the network.



Open: All Wi-Fi terminals can access the WLAN network.



Shared: A shared key is used to authenticate the network access.



802.1X: a protocol for port-based network access control. Clients connected to the port can have access to the network only after being authenticated.



WPA: a new technology that inherits the features and overcomes the shortcomings of WEP. It enhances the algorithm for generating keys. In WPA, keys are frequently changed to achieve higher security.



WPA-PSK: Simplified WPA mode is used to authenticate the network access. The EGW1520 uses WPA to pre-share a key for encrypting all communications.

Figure 7-197 Configuring the WLAN security

Step 3 Set parameters according to Table 7-51.

Table 7-51 Parameter description

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Parameter

Description



WPA2: latest WPA version, which provides CCMP, a standard encryption protocol, for access to wireless LANs. CCMP is more secure than the WEP protocol and TKIP protocol of WPA.



WPA2-PSK: Simplified WPA2 mode is used to authenticate the network access. The EGW1520 uses WPA2 to pre-share a key for encrypting all communications.



Mixed WPA2/WPA: The WPA2 and WPA are used together to authenticate network access.



Mixed WPA2/WPA-PSK: The WPA2-PSK and WPA-PSK are combined to authenticate the network access.

The default value is Mixed WPA2/WPA-PSK. Parameters relating to the preceding authentication modes are described on web pages.

Parameter

Description

WPS

Enables or disables the WPS function. The options are as follows:



Enable



Disable

By default, the WPS function is disabled. After enabling or

disabling the WPS function, click to save the setting.

Push-Button

Use the Push-Button to connect to the network. The procedure is as follows:



Select Push-Button, and click or press the Wi-Fi button on the EGW1520 for six seconds or longer.



Press the WPS button on the network adapter of the wireless terminal within two minutes.

STA PIN



Enter the STA PIN code to connect to the network. If you want

Step 4 Enable the Wi-Fi Protect Setup (WPS) function according to Table 7-52.

The WPS quickly sets up an encrypted connection between a wireless terminal and the EGW1520. You do not need to set an encryption mode or a key for the WPS function. Instead, enter the correct PIN code and use the Push-Button to access the wireless network. By default, the WPS function is disabled.

The WPS works only when the wireless terminal has a proper network adapter. For details, see the network adapter description.

Table 7-52 Parameter description

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Parameter

Description

to use this mode, you must know the STA PIN code of the wireless network. The procedure is as follows:

− Select STA PIN and enter the STA

PIN code of the wireless terminal in the right text box.

− Click .



Set Authorized Station MAC: Used to authenticate the Wi-Fi client.

AP PIN

Enter the PIN code to connect to the network. The procedure is as follows:



Select PIN and click .



Enter the PIN code of the EGW1520 (AP) on the wireless terminal.

----End

Configuring the WLAN MAC Address Filter

The WLAN MAC address filter prevents users accessing the wireless network with unauthorized MAC addresses.

Step 1 On the web management system, choose Network > WLAN from the navigation tree. Step 2 Click the MAC Filter tab.

The page shown in Figure 7-198 is displayed.

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Figure 7-198 Configuring the WLAN MAC address filter (1)

Parameter

Description

MAC Filter

Enables or disables the MAC address filter function. The options are as follows:



Enable: Enable MAC address filtering.



Disable: Disable MAC address filtering.

Policy  Include: WLAN terminals in the MAC address list can access

the WLAN.



Exclude: WLAN terminals in the MAC address list cannot access the WLAN.

Step 3 Set parameters according to Table 7-53.

Table 7-53 Parameter description

Step 4 Click to save the settings.

Step 5 Click .

The page shown in Figure 7-199 is displayed.

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Figure 7-199 Configuring the WLAN MAC address filter (2)

Step 6 Enter the MAC address of the WLAN terminal that needs to be filtered and click

.

----End

Checking the Status of the WLAN Terminals Connected to the EGW1520

Step 1 On the web management system, choose Network > WLAN from the navigation tree. Step 2 Click the Station Info tab.

The page shown in Figure 7-200 is displayed.

Figure 7-200 Checking the WLAN terminal status

----End

Connecting a PC to the EGW1520 Wirelessly

This topic describes how to use a WLAN card to connect a PC that runs the Windows XP to the EGW1520.

Prerequisites



The WLAN function has been enabled and configured on the EGW1520.

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Procedure

Step 1 Right-click My Network Places and choose Properties.



The EGW1520 has been connected to the upstream network so that the computer can access the Internet through the EGW1520. For details, see 7.2 Connection Modes.



A WLAN card has been installed on the PC.

The page shown in Figure 7-201 is displayed.

Figure 7-201 Configuring the wireless connection (1)

Step 2 Double-click .

The page shown in Figure 7-202 is displayed.

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Figure 7-202 Configuring the wireless connection (2)

If no available wireless network (for example, eSpace EGW_1613 in Figure 7-202) is listed, click Refresh network list.

Step 3 Select eSpace EGW_1613 and click .

The page shown in Figure 7-203 is displayed.

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Figure 7-203 Configuring the wireless connection (3)

Step 4 Enter a key that is the same as that on the EGW1520, and click .

The page shown in Figure 7-204 is displayed.

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Figure 7-204 Configuring the wireless connection (4)

Information Connected indicates that the PC is connected to the EGW1520. The page shown in Figure 7-205 is displayed.

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Figure 7-205 Configuring the wireless connection (5)

----End

Verification

Start the Microsoft Internet Explorer, and enter IP address of the EGW1520. The default value is 192.168.1.1. If the EGW1520 login page is displayed, the wireless connection is successful. If the page is not displayed, verify that all prerequisites are met. For details, see Prerequisite.

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Advanced Configurations

This topic describes the advanced WLAN configurations. Only network administrators can change the advanced parameter settings. To ensure the normal running of the EGW1520, you are advised to use the default settings.

Prerequisite

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Procedure

Step 1 On the web management system, choose Network > WLAN from the navigation tree. Step 2 Click the Advanced tab.

The page shown in Figure 7-206 is displayed.

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Figure 7-206 Advanced WLAN configurations

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Step 3 Set parameters according to Table 7-54.

Parameter

Description

Current Channel

Indicates the channel that is being used.

Channel

Value Auto indicates that the system automatically selects the best channel from all channels for use.

CAUTION

If multiple EGW1520sare deployed, set channels of neighboring EGW1520s to different values. For example, set the channel of the first EGW1520to 1, and the channel of the neighboring EGW1520 to 6 or 11.

Auto Channel Timer (min)

Any non-zero values indicate that the system reselects a channel when the timer times out.

802.11n/EWC

Indicates whether the EGW1520 supports 802.11n. Value Auto indicates that support for 802.11n varies according to network environment.

Current Bandwidth

Displays the current bandwidth.

Bandwidth

Sets the frequency bandwidth.

Current Control Sideband

Indicates the current sideband control mode. Control Sideband

Indicates the sideband control mode.

802.11n Rate

Indicates the Wi-Fi rate. Value Auto indicates that the system automatically selects an optimal rate.

802.11n Protection

Indicates the 802.11n protection mechanism.

Support 802.11n Client Only

Only clients that comply with 802.11n are supported.

RIFS Advertisement

Provides a shorter delay between OFDM transmissions than in

802.11g.

OBSS Co-Existence

Both 20 MHz and 40 MHz overlapping Basic Service Set (OBSS) are supported on the WLAN network. When a user sets 40 MHz BSS on the network supporting 20 MHz BSS, the bandwidth automatically decreases from 40 MHz to 20 MHz.

RX Chain Power Save

Power is saved in the receiving channel.

RX Chain Power Save Quiet Time

Indicates the quiet time of the power saving in the receiving channel.

RX Chain Power Save PPS

Indicates the maximum number of packets per second that can be processed by the WLAN port for a duration specified by Quiet Time.

Radio Power Save

Power is saved in the sending channel.

Radio Power Save Quiet Time

Indicates the quiet time of the power saving in the sending channel.

Table 7-54 Advanced WLAN parameters

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Parameter

Description

Radio Power Save PPS

Indicates the maximum number of packets per second that can be processed by the WLAN port for a duration specified by Quiet Time.

Radio Power Save On Time

Indicates the time when the power saving takes effect in the sending channel.

54g™ Rate

Indicates the 54g™ rate.

Multicast Rate

Indicates the multi-antenna transmission rate. Value Auto indicates that the system automatically selects an optimal rate.

Basic Rate

Value All indicates that the EGW1520 automatically selects 1 Mbit/s or 2 Mbit/s based on the network environment.

Fragmentation Threshold

Indicates the threshold for triggering the fragmentation. RTS Threshold

Indicates the threshold for triggering the transmission.

DTIM Interval

Indicates the multi-point transmission interval.

Beacon Interval

Indicates the interval between two consecutive beacons.

Global Max Clients

Indicates the maximum number of clients supported by the EGW1520.

XPress™ Technology

Indicates the wireless multimedia extension technology.

Transmit Power

Indicates the transmission power.

WMM (WiFi Multimedia)

Indicates the Wi-Fi multi-media (WMM) application. Value Auto indicates that the system automatically selects a Wi-Fi network based on the network environment.

WMM No Acknowledgment

Indicates the WMM mode without the Ack message. WMM APSD

Indicates WMM Automatic Power Shutdown (APSD).

Step 4 Click to save the settings.

----End

7.5.4 DNS

The Domain Name System (DNS) is a hierarchical naming system built on a distributed database. It translates human-friendly domain names into IP addresses and is applicable to TCP/IP programs. The EGW1520 can function as a DNS client to resolve domain names on the DNS server.

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Configuration

Step 1 On the web management system, choose Network > DNS from the navigation tree.

To configure the DNS server without changing the ADSL or WAN configuration, perform the following steps:

Prerequisites You have logged in to the web management system. For details, see 7.7.1 Web Management. Procedure

The page shown in Figure 7-207 is displayed.

Figure 7-207 Configuring a DNS server

Step 2 Configure a DNS server.

The system provides the following configuration methods:



Method 1: Obtain the IP address of the DNS server through the interface that connects to the DNS server.



Method 2: Set the IP address of the DNS server manually. The IP address of the DNS server is provided by the network carrier.

Method 2 is applicable when you know the IP address of the DNS server.

Step 3 Click to save the settings.

----End

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7.5.5 Static Route

Configuration

Step 1 On the web management system, choose Network > Routing from the navigation tree.

This topic describes how to configure the static route in a simple network. Compared with the dynamic route, the static route uses less network resources, saves

bandwidth, and is easy to configure. The static route can improve the network performance and ensure the bandwidth for important applications. When the network is unavailable or the topology is changed, the management personnel must change the static route manually.

Prerequisites You have logged in to the web management system. For details, see 7.7.1 Web Management. Procedure

The page shown in Figure 7-208 is displayed.

Figure 7-208 Configuring the static route (1)

Step 2 Click to add a static route.

The page shown in Figure 7-209 is displayed.

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Figure 7-209 Configuring the static route (2)

Parameter

Description

Destination IP address[/prefix length]

Indicates the destination IP address and subnet mask length of the static route, for example, 192.168.2.0/24.

Interface

Indicates the outbound port of the static route through which packets are sent to the destination network segment. The options are as follows:



br0/br0: ports on the LAN side (LAN ports 1–4 and Wi-Fi port).



pppoe_0_0_35/ppp1: ADSL port.

Gateway IP address

Indicates the next hop IP address for the static route.

Metric

Indicates the route metric, which must be an integer. If there are multiple routes to a destination IP address, the route with the smaller route metric has the higher priority. This parameter is optional.

Step 3 Set parameters according to Table 7-55.

Table 7-55 Parameter description

Step 4 Click to save the settings.

Figure 7-210 shows the configuration result.

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7.5.6 VPN

Description

Figure 7-210 Configuration result

----End

EGW1520 can connect a branch network to the headquarters network using a VPN tunnel.

This topic describes the principle, implementation, specification, and limitation of the VPN features supported by the EGW1520.

Principle

Virtual Private Network (VPN) is a virtual network established based on the existing public network.

As a private network, a VPN exclusively occupies network resources. Additionally, internal data in a VPN cannot be accessed by external devices. Figure 7-211 shows the typical VPN networking.

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Figure 7-211 VPN networking

Method

Usage Scenario

Remarks

The initiator and responder use fixed public IP address to set up VPN tunnels.

Both ends can specify the peer public IP address to initiate negotiation. The initiator and responder are not fixed. The two ends can only use tunnels to match traffic based on traffic characteristics.

Only large enterprises can apply fixed IP addresses for branches. EGW1520 is located on small branches, so it does not need to apply fixed IP addresses. Therefore, this scenario is rarely used.

The initiator uses a dynamic public IP address, and the responder uses a

The initiator EGW1520 accesses the Internet using a dynamic method, for example, PPPoE. The initiator's IP address

The initiator's IP address is not fixed, so VPN streams (the streams to be protected by IPSec) must be configured on

A VPN has the following advantages:



Implementation

EGW1520 uses the IP Security (IPSec) protocol to set up site-to-site (gateway to gateway) VPN tunnels between small branches and headquarters.

EGW1520 can set up VPN tunnels using the following methods.

It ensures data transmission security between the headquarters and remote users, remote branches, partners, and suppliers.

The VPN reduces communication costs for enterprises because it is set up based on the public network.

VPN users can be added and deleted by software configuration, without modifying hardware.

Remote users can access the VPN any time and anywhere.

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Method

Usage Scenario

Remarks

fixed public IP address.

changes every time it performs PPPoE dial-up. Therefore, the responder cannot specify the initiator's IP address. The responder does not need to specify the initiator's IP address, but the initiator must specify the responder's IP address; otherwise, negotiation will fail. The two ends can only use tunnels to match traffic based on traffic characteristics.

the initiator. The responder does not need to be configured with VPN streams because it can accept the VPN streams sent by the initiator during negotiation. The initiator uses the 3G mode, and the responder uses a fixed public IP address.

When EGW1520 uses a 3G data card to dial up, it obtains a private IP address. The EGW1520 is the initiator and obtains IP addresses dynamically. Therefore, this scenario is similar to scenario 2.

Because the EGW1520 obtains a private IP address, IKE negotiation must use the aggressive mode and NAT traversal must be enabled.

The initiator uses domain names to set up VPN tunnels with the responder.

The initiator must know the domain name of the responder. The initiator uses domain names to set up VPN tunnels with the responder.

The responder uses a dynamic IP address and supports domain names.

Specification



EGW1520 can connect to the headquarters using IPSec VPN tunnels.



EGW1520 uses IPSec to set up site-to-site tunnels with the headquarters. As the initiator of VPN tunnels, EGW1520 uses the peer IP address or fully qualified domain name (FQDN) as the ID for IKE negotiation.

Limitation



A maximum of 6 IPSec VPN tunnels are supported.



The throughput of the IPSec VPN tunnel is not lower than 2 Mbit/s.



A maximum of 32 concurrent connections are supported in an IPSec VPN.

Configuration

This topic describes how to set up VPN tunnels between branches and the headquarters.

Prerequisites

You have logged in to the web management system. For details, see 7.7.1 Web Management.

Huawei EGW1520A Users Manual

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User Manual