Linksys Mediatrix 440 series, SPA9000 Configuration Manual

SPA9000/Mediatrix® 440x ISDN Gateway
Configuration Guide

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SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide

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Copyright © 2007 Cisco Systems, Inc. All rights reserved.

Mediatrix® is a registered trademark of Mediatrix Telecom.

Network Setup and Physical Installation 2
Configuring the Mediatrix 440x Gateway 3

Logging into the Mediatrix 440x Gateway Web Interface 3
Configuring the Network Address 4
Configuring the SIP Port 5
Restarting the Mediatrix 440x Gateway 6
Configuring Communication to the SIP Proxy Server 8
Configuring ISDN Connectivity 9
Configuring Call Routing 10
Configuring DTMF Transport 14

CONTENTS

Configuring the SPA9000 15
Appendix A—SIP Traces of Various Scenarios 17

Incoming ISDN Call to the SPA9000 17
Outgoing ISDN Call from the SPA9000 Internal Endpoint 26

Appendix B—References 32

SPA9000/Mediatrix 440X ISDN Gateway

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Contents

SPA9000/Mediatrix 440X ISDN Gateway

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SPA9000/Mediatrix® 440x ISDN Gateway
Configuration Guide

This document helps the Linksys Voice System (LVS) administrator configure the Mediatrix® 440x
ISDN digital gateway for providing ISDN-BRI connectivity. The recommended configuration lets small
businesses use existing ISDN lines to initiate and receive calls using LVS devices. This document
includes the following sectio ns:

• Network Setup and Physical Installation, page 2

• Configuring the Mediatrix 440x Gateway, page 3

• Configuring the SPA9000, page 15

• Appendix A—SIP Traces of Various Scenarios, page 17

• Appendix B—References, page 32

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http://www.linksys.com Tel: [phone] 546-5797 Fax: [phone]

Copyright © 2007 Cisco Systems, Inc. All rights reserved.

Network Setup and Physical Installation

Network Setup and Physical Installation

To initiate installation of the Mediatrix 440x gateway, con nect the power sup ply to the power input port
and connect the Ethernet network port to the LAN. The DH CP opt ion on the I SDN gateway is acti ve by
default, so the gateway automatically gets its IP address from the network DHCP server, if available.

Configuring the Network Address, page 4 describes the network connectivity options recommended.

It is assumed that the SPA9000, SPA9xx phones, and the Mediatrix gateway are in the same local
network and in the same VLAN.

Figure 1 Typical Network Setup

Figure 1 shows the typical network setup.

SOHO or Small Business

Legacy

Legacy

Telecom

Telecom

Network

Network

(ISDN)

(ISDN)

Broadband

Broadband

Phone Service

Phone Service

Broadband

Broadband

Service

Service

Mediatrix 4400

SPA400

Wireless

Router

BB Modem

SPA942

PC

SPA9000

SPA941

Local Area

Local Area

Network

Network

Fax Machine

SPA921

SPA400

SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide

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Configuring the Mediatrix 440x Gateway

This section describes how to configure the Mediatrix 440x gateway for use in an LVS network. It
includes the following topics:

• Logging into the Mediatrix 440x Gateway Web Interface, page 3

• Configuring the Network Address, page 4

• Configuring the SIP Port, page 5

• Restarting the Mediatrix 440x Gateway, page 6

• Configuring Communication to the SIP Proxy Server, page 8

• Configuring ISDN Connectivity, page 9

• Configuring Call Routing, page 10

• Configuring DTMF Transport, page 14

Note This document describes manual configuration, although the Mediatrix 440x gateway series supports

remote provisioning. For more information about that feature, contact Mediatrix.

Configuring the Mediatrix 440x Gateway

Logging into the Mediatrix 440x Gateway Web Interface

To access the Mediatrix 440x gateway web interface, complete the following steps:

Note Note that the PC you are using should be able to access the LVS network.

Step 1 In the web browser address field, enter the Mediatrix 440x gateway IP address. In this example, the IP

address is 192.168.1.75.
The login screen appears. (See Figure 2.)

Figure 2 Login Screen

Step 2 In the User Name field, enter a user name. (See Figure 3.)

The default username is public. Leave the Password field empty unless this has been previously set.

SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide

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Configuring the Mediatrix 440x Gateway

Figure 3 Entering User Name and Password

Step 3 Click the Login button.

The main configuration screen appears. (See Figure 4.)

Figure 4 Main Configuration Screen

Configuring the Network Address

Although the Mediatrix 440x gateway supports DHCP, it is recommended to use a static IP address. This
helps ensure that the gateway is always reachable by LVS devices even if the DHCP server is restarted
and new network addresses are assigned to the DHCP clients. This recommendation to use static IP
addressing also applies to the SPA9000 and the SPA400.

Note For information on configuring static IP addresses for the SPA9000 and SPA400, refer to the SPA9000

Administration Guide.

To set a static IP address on the Mediatrix 440x gateway, complete the following steps:

Step 1 In the main configuration screen (see Figure 4), click Networ k, and then click Interfaces.

The Interfaces screen appears. (See Figure 5.)

SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide

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Configuring the Mediatrix 440x Gateway

Figure 5 Setting a Static IP Address

Step 2 From the Uplink Interface drop-down list, select netwrk; and from the Connection Type drop-down list,

select Static, as shown in

Step 3 In the Static IP Address field, type the static IP address and network mask. (See Figure 6.)

Figure 6 Entering the Static IP Address and Network Mask

Figure 5.

This example uses 192.168.1.75 as the static IP ad d ress, and 25 5.255.2 55.0 (/2 4) for th e network m ask.

Step 4 To complete the configuration, click Submit.

Note After clicking Submit, the unit is reconfigured with the new IP address and your web browser will be

disconnected. To recover access, type the new IP address into the Internet browser address field.

Configuring the SIP Port

Perform the following procedure to specify the gateway SIP port and the SIP proxy server (the SPA9000)
address to which the Mediatrix 440x gateway will route incoming ISDN calls and from which it will
receive outgoing call requests. The SIP port specified should match the configuration on the SPA9000.

Step 1 In the main configuration screen (see Figure 4), click SIP, and then click Gateways.

The Gateways screen appears (see Figure 7).

SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide

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Configuring the Mediatrix 440x Gateway

Figure 7 Gateway Screen

Step 2 In the SIP Port field, type the SIP port number.

This example uses the default, which is 5060.

Note Verify that the specified port is being used in the SPA9000 when you define the proxy address (see

Configuring the SPA9000, page 15)

Step 3 Click Submit.

Restarting the Mediatrix 440x Gateway

You need to restart the affected services on the Mediatrix 440x gateway after configuration changes
occur. (See

Figure 8.)

SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide

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Configuring the Mediatrix 440x Gateway

Figure 8 Restarting Services

To restart the Mediatrix 440x gateway services after making configuration changes, complete the
following steps:

Step 1 On the Systems screen (see Figure 8), click Services.

The Services screen appears. (See Figure 9.)

Figure 9 Services Screen

Step 2 For services marked with an asterisk (*), select Restart from the Action drop-down list.

SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide

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Configuring the Mediatrix 440x Gateway

In this example, the affected service is the SIP Endpoint service (SIPEP).
After restarting the service, the correct SIP port appears in the Gateway option. (See Figure 10.)

Figure 10 Confirming the Correct SIP Port

Configuring Communication to the SIP Proxy Server

The next step is to configure communication to t he SIP proxy ser ver that the 440x will u se to rout e VoIP
calls (the SPA9000).

In this example, the Mediatrix 440x gateway is configured wi th the IP address o f the SPA9000 . The SIP
port used is the port assigned to the Line on the SPA9000 that is configu red as the SIP trunk t o the ISDN
gateway. In this example, that is Line 3 and the SIP port assigned to Line 3 is 5062.

To configure these settings, complete the following steps:

Step 1 In the main configuration screen (see Figure 4), click SIP, and then click Servers.

The Servers screen appears. (See Figure 11.)

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