Avaya B179 SIP User Manual

Avaya B179 SIP Conference Phone

Installation and Administration Guide

16-603915 Version 2.4 Issue 9 February 2015

Avaya B179 SIP Conference Phone

Installation and Administration Guide

AbOUT this document

© 2015 Avaya Inc.

All Rights Reserved.

Notice

While reasonable efforts have been made to ensure that the information in this document is complete and accurate at the time of printing, Avaya assumes no liability for any errors. Avaya reserves the right to make changes and corrections to the information in this document without the obligation to notify any person or organization of such changes.

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Avaya provides a limited warranty on this product. Refer to your sales agreement to establish the terms of the limited warranty. In addition, Avaya’s standard warranty language, as well as information regarding support for this product, while under warranty, is available to Avaya customers and other parties through the Avaya Support Web site: http:/www.avaya.com/support. Please note that if you acquired the product from an authorized Avaya reseller outside of the United States and Canada, the warranty is provided to you by said Avaya reseller and not by Avaya.

Licenses

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AVAYA INC., ANY AVAYA AFFILIATE, OR AN AUTHORIZED AVAYA RESELLER (AS APPLICABLE) UNDER A COMMERCIAL

AGREEMENT WITH AVAYA OR AN AUTHORIZED AVAYA RESELLER. UNLESS OTHERWISE AGREED TO BY AVAYA IN WRITING, AVAYA DOES NOT EXTEND THIS LICENSE IF THE SOFTWARE WAS OBTAINED FROM ANYONE OTHER THAN AVAYA, AN AVAYA AFFILIATE OR AN AVAYA AUTHORIZED RESELLER, AND AVAYA RESERVES THE RIGHT TO TAKE LEGAL ACTION AGAINST YOU AND ANYONE ELSE USING OR SELLING THE SOFTWARE WITHOUT A LICENSE. BY INSTALLING, DOWNLOADING OR USING THE SOFTWARE, OR AUTHORIZING OTHERS TO DO SO, YOU, ON BEHALF OF YOURSELF AND THE ENTITY FOR WHOM YOU ARE INSTALLING, DOWNLOADING OR USING THE SOFTWARE (HEREINAFTER

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CREATE A BINDING CONTRACT BETWEEN YOU AND AVAYA INC. OR THE APPLICABLE AVAYA AFFILIATE (“AVAYA”).

Avaya grants End User a license within the scope of the license types described below. The applicable number of licenses and units of capacity for which the license is granted will be one (1), unless a different number of licenses or units of capacity is specified in the Documentation or other materials available to End User. “Designated Processor” means a single stand-alone computing device. “Server” means a Designated Processor that hosts a software application to be accessed by multiple users. “Software” means the computer programs in object code, originally licensed by Avaya and ultimately utilized by End User, whether as stand-alone products or pre-installed on

Hardware. “Hardware” means the standard hardware originally sold by Avaya and ultimately utilized by End User.

License types

Concurrent User License (CU). End User may install and use the Software on multiple Designated Processors or one or more Servers, so long as only the licensed number of Units are accessing and using the Software at any given time. A “Unit” means the unit on which Avaya, at its sole discretion, bases the pricing of its licenses and can be, without limitation, an agent, port or user, an e-mail or voice mail account in the name of a person or corporate function (e.g., webmaster or helpdesk), or a directory entry in the administrative database utilized by the Software

that permits one user to interface with the Software. Units may be linked to a specific, identified Server. CPU License (CP). End User may install and use each copy of the Software on a number of Servers up to the number indicated by

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Avaya provided that the performance capacity of the Server(s) does not exceed the performance capacity specified for the Software. End User may not re-install or operate the Software on Server(s) with a larger performance capacity without Avaya’s prior consent and payment of an upgrade fee

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Party Components and the Third Party Terms that apply to them is available on the Avaya Support Web site: http:// www.avaya.com/support/Copyright/.

Preventing toll fraud

“Toll fraud” is the unauthorized use of your telecommunications system by an unauthorized party (for example, a person who is not a corporate employee, agent, subcontractor, or is not working on your company’s behalf). Be aware that there can be a risk of toll fraud associated with your system and that, if toll fraud occurs, it can result in substantial additional charges for your telecommunications services.

Avaya fraud intervention

If you suspect that you are being victimized by toll fraud and you need technical assistance or support, call

Technical Service Center Toll Fraud Intervention Hotline at [phone] for the United States and Canada. For additional support telephone numbers, see the Avaya Support Web site: http://www.avaya.com/support/.

Suspected security vulnerabilities with Avaya products should be reported to Avaya by sending mail to: [e-mail].

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Downloading documents

For the most current versions of documentation, see the Avaya Support Web site: http://www.avaya.com/support

Contact Avaya Support

Avaya provides a telephone number for you to use to report problems or to ask questions about your product. The support telephone number is 1-800-242-2121 in the United States. For additional support telephone numbers, see the Avaya Web site: http://www.avaya.com/support

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Avaya B179 SIP Conference Phone

Installation and Administration Guide

AbOUT this document

This document includes setup, registration of accounts and configuration of Avaya B179 Conference Phone in Communication Manager, Session Manager, and CS-1000 Server environments.

For information about setting up B179 in IP Office, see Installing and Administering the IP Office B179 SIP Conference Phone.

The use of the conference phone is described in the Avaya B179 SIP Conference Phone - Quick Reference Guide (16-603916) and the Avaya B179 SIP Conference Phone - User Guide (16603918). The latest version of all documentation can be downloaded from support.avaya.com.

Please note that there are also supporting Application Notes describing the steps to configure the Avaya B179 SIP Conference Phone to work with certain systems and also how to configure the systems (eg. administer SIP extensions).

Related resources

Title	Description
Installing and Administering the IP Office	Describes the procedures to install and
B179 SIP Conference Phone	administer B179 SIP Conference Phones
	in IP Office.
Administering Avaya Aura® System	Describes the procedure to administer
Manager	Avaya Aura® System Manager

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Avaya B179 SIP Conference Phone	Installation and Administration Guide
CoNTENT
Related resources ........................................................................................	4
Description	3
Display screen................................................................................................	4
Navigation and selection in menus.......................................................	5
Using the web interface.............................................................................	7
Connecting.....................................................................................................	8
Installation	8
Obtaining a network address .................................................................	9
Software upgrade and basic settings.................................................	12
Registering an account............................................................................	16
Basic.................................................................................................................	17
Settings	17
Network..........................................................................................................	27
Media..............................................................................................................	30
LDAP................................................................................................................	34
LLDP.................................................................................................................	36
Web interface...............................................................................................	39
Time & Region..............................................................................................	40
Provisioning..................................................................................................	41
System............................................................................................................	41
Connecting a wireless headset.............................................................	43
Connecting a PA interface box..............................................................	44
PA settings....................................................................................................	44
Headset and PA installation and settings	44
Hard system recovery	47
Provisioning – upgrade and configuration	48
Firmware upgrade on a single phone................................................	48
Disabling firmware upgrade from SD card.......................................	49
FirmWARE upgrade on multiple phones...........................................	49
Using a Device Management Server	57
Device management configuration in Avaya B179	59
How to do a downgrade .........................................................................	61
Importing and exporting contacts	62
Importing and exporting conference groups	63
Communication Server 1000 based conference	64
Technical data	65
Appendix A: Registering B179 Conference Phones	67
Configuring the Session Manager profile.........................................	67
Configuring the Communication Manager profile ......................	69
Appendix B: Configuring CS1000 Server for B179	71
Appendix C: Using Certificates	85

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Avaya B179 SIP Conference Phone				Installation and Administration Guide
Description
Speaker	Microphone	Display screen	Keypad	LEDs
				Flashing blue	Incoming call
				Steady blue light	Call in progress
				Flashing red	On hold,
					microphone and
					speakers turned off
				Steady red light	Mute,
					microphone turned
					off
				Network cable port
				SD memory card port
					Expansion
					microphone
					port
					AUX port
Maintenance					Security lock port
Clean the equipment with
a soft, dry cloth. Never use
liquids.				Power supply port
				Expansion microphone port
	UP ARROW		Menu	DOWN ARROW
	Navigation in menus		Settings	Navigation in menus
	Display of call list			Display of call list
	Cancel			OK
No/end/back				Yes/confirm choice
Start/stop				Answer/connect new line
recording
				During a call: Press to call a
Increase volume
				new person
Decrease volume				Hang up/end line
				Conference
	Mute			Automatic dialling of
				conference groups
				One press of this button will
				always connect all
	Hold	Alphanumerical buttons		parties to a conference call
		Hold down a button for 2 seconds to
		open the phonebook		Line selection

Some Avaya B179 have a different keypad with other symbols. This does not affect the functions of the buttons.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

DiSPLAY screen

On Hook

Press to display this screen.

Date

Time

Display text (can be changed)

Registered

Not registered

Account name (can be changed)

Off Hook

Press to display this screen.

Information text (see below)

Phone lines (L1–L4)

Line status (see below)

Call duration

Secure connection

Line status:

Line free (Before account name – telephone not registered)

Line connected (Before account name – telephone registered)

Information text displays one of the following:

•Number or name of each phone line

(The name will be displayed if a number is in the phone book)

•Explanation of what you should do (For example, ENTER NUMBER)

•Status (For example Hold when you place all calls on hold)

Line menu

Press to switch to and from this menu.

Line/number/name

New line

Option for creating or splitting conference calls

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Menu

Press to switch to and from a menu.

Current menu Submenu

Marked option – open by pressing OK button

Scrolling list

(indication of where the marked option is in the list or menu)

List of setting options:

Existing settings

Marked option – select by pressing OK button

List of names:

Marked name – select by pressing OK button

NaVIGATION and selection in menus

Press .

Select the option you want from the menu using the arrow buttons.

Confirm by pressing OK to select the marked option.

Cancel the setting or go back one level in the menu by pressing .

Quit the menu by pressing again.

Note that after you have made changes to a setting, you must press OK to activate the setting.

It is possible to open a menu option directly by pressing the number button that corresponds to the position of the option in the menu (For example, 2 to open PHONE BOOK and then 3 to select EDIT CONTACT).

Writing style in instructions

In the instructions, > SETTINGS (6) means you should:

Press .

Mark the SETTINGS option using the arrow buttons and confirm by pressing OK to open the menu (or press button number 6).

Correspondingly, Phone book > Conference Guide in the web interface means you should select Menu Phone book and the Conference Guide tab.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Menu tree

Menu tree, advanced settings

The advanced settings are protected by administrator’s PIN code. The default value is 1234.

The simplest way to make settings and edit contacts is using a PC and the Avaya B179 web interface.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

UsING the web interface

You can use the web browser of a PC connected to the same network to manage contacts, conference groups and settings in the Avaya B179. Users can import and export contacts and conference groups, name user profiles, and change PIN codes by using the web interface.

All settings on the Avaya B179 can also be managed via the web interface. You can also view logs, update software, and create a configuration file to use for other phones.

The values set by using the web interface overrides the local settings on the phone and the values set by using the settings file.

The default setting for the PIN code is 0000 for the user account (Default, Profile 1, Profile 2, Profile 3 and Profile 4) and 1234 for the administrator’s account (Admin). You must change the PIN codes in order to protect the settings. The code may consist a maximum of eight digits. The administrator can always view and change the PIN codes to the user accounts. The administrator’s PIN code can only be reset with a complete reset to factory settings.

The existing value of PIN codes are retained after firmware upgrade.

Disabling the web interface

You can disable the web interface on the B179 conference phones to restrict network-based access to the conference phones. When you configure the phone to disable the web interface, the HTTP server application on the phone is disabled, and the users cannot access the web interface.

Note:

You can enable the web interface on a phone from the phone UI. The local web interface can be used for debugging, but the phone cannot be accessed

over the network.

 In the www tag in the global configuration file, set the </enable> tag to false. Syntax:

<www>

<enable>false</enable>

</www>

Set the Web Interface option in the phone UI to DisABLE web.

Press and select the sub menu > ADVANCED (requires Admin password) > WEB INTERFACE > DisABLE web.

You can use the configuration file of the phone to edit the phone settings.

For more information, see topic Using a configuration file.

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Installation and Administration Guide

InSTALLATION

The printed Installation Guide provides brief and simplified installation instructions.

Connecting

Connect the Avaya B179 to the network as illustrated below.

Plug the Avaya B179 into the mains using the power adapter as illustrated below.

The Avaya B179 can be driven directly from the network (Power over Ethernet, Class III) if the network supports this.

 Place the conference phone in the middle of the table.

The Avaya B179 must obtain a network address and be registered in a SIP PBX before it can be used. The easiest way to register an account and make the settings in the Avaya B179 is using a computer connected to the same network and via the integrated web server.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

ObtAINING a network address

Connecting to a network with DHCP

After the B179 Conference Phone connects to a DHCP network, the phone requests for the network parameters.

To enable DHCP:

In the web UI, go to Settings > Network. Set the DHCP option to Enabled.

In the phone UI, Press and select Settings > Advanced (requires the Admin password) > Network > IP > DHCP. Set the DHCP option to On.

DHCP Site-specific option (SSON)

You can assign the values of site-specific configuration parameters by using DHCP SSON. You can enable SSON by any of the following methods.

Open the configuration file in an editor. In the <dev_mgmt> tag, set the value of the <dhcp_option> parameter.

In the web interface of the phone, go to Settings > Provisioning > DHCP Option.

In the phone UI, Press and select Settings > Advanced (requires the Admin password) > Network > DHCP Option.

The default value for DHCP SSON is 242. B179 supports SSON from 128 to 254, and option 60 for backward compatibility.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Connecting to a network with static IP addresses

You need the IP address, host name, domain, netmask, gateway, DNS 1, and DNS 2. The host name can be set freely. The domain and secondary DNS can be left blank.

Press and select SETTINGS > ADVANCED (6,2).

Enter the PIN code.

The default code is 1234.  Select NETWORK (2)

 Select IP.

 Select STATIC IP.

 Enter values for the IP ADDRESS.

Enter three digits (begin with 0 if necessary), press OK, enter three digits, and so on.

Enter HOST NAME

Default is avaya.

Enter DOMAIN

Enter NETMASK

Enter GATEWAY

Enter DNS 1

Enter DNS 2

The display shows DONE.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Checking IP address

Press and select the sub menu STATUS > NETWORK (8,2).

Check the conference phone’s network address under the heading IP ADDRESS.

Use this address to log into the web server in the conference phone.

Login

Log into the web server in Avaya B179 by entering the phone’s network address in your computer’s web browser.

Select Admin as Profile and enter your PIN. The default PIN for Admin is 1234.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Software upgrade and basic settings

The following settings should be done during installation.

See Device management, if you are responsible for installing or upgrading many phones.

Note that all settings on the Basic tab also affect the user profile Default. Other user profiles can be changed individually. The settings on the Basic tab, except the name and PIN for Admin, can be modified by any user. Other settings require a login as Admin.

Upgrade software

See the heading “PROVISIONING – UPGRADE AND CONFIGURATION” for a detailed description and upgrading options.

 Select Settings > Provisioning.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Compare the latest version with the current version (shown on the web page).

If you want to upgrade, select the desired version in the list box and click on Upgrade.

The browser window and the display on the Avaya B179 shows that the upgrade has begun.

The download and installation can take several minutes. Do not interrupt the upgrade and do not disconnect plugs to the Avaya B179 during the upgrade. Interrupting the upgrade may render the conference phone inoperable.

When installation is complete, the text “Upgrade Complete. The unit will be rebooted.” is shown in your browser, and after a while you hear the Avaya music signature, which indicates that the conference phone has started.

Setting time and region

Select Settings > Time & Region.

Select the time zone and, if you wish, correction for DST (Daylight saving).You can set the time and date manually or choose a different time server.

Select the region where you are.

This setting affects the frequency and duration of the signaling tones (ring signal, busy tone, etc).

Save the setting.

The Avaya B179 restarts to apply the new settings.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Changing the language

 Select Settings > Basic.

 Select the desired language in the list box after Language and save the setting. The B179 Phone supports the following languages:

English

Swedish

Danish Norwegian Finnish Italian German Spanish

Portuguese (Br)

Portuguese (Eu)

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

French

Dutch

Cyrillic

Polish

Turkish

Greek

Simplified Chinese

Japanese

Korean

Note, selecting a language only affects the phone language, not the language on the web interface.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Changing the PIN

You must change the PIN code for Admin from the default setting to protect the settings. Make a note of the new PIN code and keep it in a safe place. The administrator’s PIN code can only be reset by a full factory reset!

Select Settings > Basic and click the Edit button on the Admin line.

Enter a new PIN.

The PIN code may consist a maximum of 8 digits.  Click on the Set and Save buttons.

Registering an account

The conference phone supports three accounts. The secondary and fallback accounts are automatically used if the phone fails to register to the main account. If the phone fails to register to the secondary or the fallback account, it tries to use the main account again.

To register your phone, you must have access to the account information and all necessary settings that the SIP PBX requires.

See topic Settings > SIP for a detailed description of all settings. Procedure

Under Main account, Click Yes at Enable account.

Enter the account information you have received.

Account name can be chosen freely and is the name or phone number you want to appear in the phone display.

Leave the default values if you have no other information.

Select a method of NAT traversal if you have received this information.

Select a different transport protocol if you have received this information. See page 28 about using a secure transport protocol.

Save the settings by clicking the Save button.

The Avaya B179 responds by showing REGISTERING. If registration is successful, your selected account name will appear at the bottom of the display screen next to a shaded square.

Media settings

Select a different codec priority, if you do not accept the default settings.

Select SRTP and SRTCP if you need a secure media protocol. Note that this also requires a corresponding transport setting on the SIP tab.

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Settings

You can use the web interface for the settings that can be done directly on the B179 Phone. See “NAVIGATION AND SELECTION IN MENUS” for using the menu system.

For safety reasons, recordings can only be managed directly on the Avaya B179. All other settings can be changed via the web interface. The web interface also allows you to import and export contacts and conference groups, rename user profiles and change PIN codes. As an administrator, you can also study logs, upgrade the software and create an XML based configuration file for easier management of a set of phones.

Basic

 Select Settings > Basic.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

To change the basic settings of a user profile, you must log in with that profile.

Profiles – edit name and PIN

You must change the PIN code from the default setting to protect the settings.

Select Settings > Basic and click the Edit button on the account you want to change.

Enter a new PIN code.

The PIN code may consist of 8 digits.

You can also choose to change the name of a user profile.  Click on the Set and Save buttons.

Make a note of the new PIN code and keep it in a safe place.

The administrator’s PIN code can only be reset with a complete reset to factory settings!

Language

 Select phone language using the list box and click on the Save button.

On phone: > SETTINGS > BASIC > LANGUAGE (6,1,1).

Ring level

There are six volume levels plus a silent mode. You will hear the ring tone for each level you select. If you select silent mode, only the blue LEDs on the phone flash when an incoming call is received.

 Select level using the list box and click on the Save button.

On phone: > SETTINGS > BASIC > RING LEVEL (6,1,3).

Key tone

You can select whether or not you want a tone to be heard when you press a button.  Select On or Off and click on the Save button.

On phone: > SETTINGS > BASIC > KEY TONE (6,1,2).

Recording

It is possible to turn off the recording feature. This setting can only be done by the administrator and affects all profiles.

 Select On or Off and click on the Save button.

For security reasons, recordings can only be managed directly on the SD card on Avaya B179.Do not remove the SD card during call recording or playback.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Recording tone

A short beep is heard every 20 seconds so that all the parties in the call know it is being recorded. This feature can be turned off.

 Select On or Off and click on the Save button.

On phone: > RECORDING TONE > SETTINGS (5,5).

Settings when connecting external equipment (Aux)

The Avaya B179 can be connected to a wireless headset or an external PA system. An optional PA interface box is required for PA system connection.

 Select the PA option to activate features for external microphone mixer and PA system.

Do not select the PA option unless a PA system is connected. This option turns off the internal microphone and internal speakers as default. The HEADSET option may be selected whether or not a headset is connected.

Time format

 Select 12 hour or 24 hour and click on the Save button.

On phone: > SETTINGS > BASIC > TIME FORMAT (6,1,7).

Date format

 Select date format and click on the Save button.

On phone: > SETTINGS > BASIC > DATE FORMAT (6,1,8).

Equalizer

The sound reproduction can be adjusted to the required pitch (SOFT, NEUTRAL or BRIGHT).  Select Soft, Neutral or Bright and click on the Save button.

On phone: > SETTINGS > BASIC > EQUALIZER (6,1,4).

Screen text

The text on the display screen is shown when the Avaya B179 is in stand-by mode (on hook).  Enter your new text in the text box and click on the Save button.

On phone: > SETTINGS > BASIC > SCREEN TEXT (6,1,9).

The table below lists the supported languages for screen text, and the allowed string length.

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Avaya B179 SIP Conference Phone

Installation and Administration Guide

	Language	String length allowed
	English	11
	Swedish	9
	Danish	10
	Norwegian	11
	Finnish	12
	Italian	13
	German	11
	Spanish	14
	Portuguese (Br)	13
	Portuguese (Eu)	14
	French	11
	Dutch	11
	Cryllic	14
	Polish	16
	Turkish	11
	Greek	14
	Simplified Chinese	4
	Japanese	9
	Korean	6

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

SIP

 Select Settings > SIP.

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

The conference phone supports three accounts. The secondary and fallback accounts are automatically used if the phone fails to register to the main account. If the phone fails to register to the secondary and the fallback accounts, it tries to use the main account again.

Main account, Secondary account, and Fallback account

Enable account	It is possible to store account information for future use, but tempo-
	rarily disable it.
Account name	This is the name displayed on the screen. It can be set according to
	company standards.
User	The account (customer) name.
Registrar	Shall contain the IP address or the public name of the SIP server
	where the account is registered (e.g. 10.10.1.100 for a local SIP server
	or sip.company.net for a public VoIP service provider)
Proxy	Shall contain the proxy server used for Internet communication, if
	any. Can be left blank.
Realm	The protection domain where the SIP authentication (name and
	password) is valid. This is usually the same as the registrar. If marked
	with a “*”, the phone will respond to any realm. If specified, the phone
	will only respond to the specific realm when asked for credentials.
Authentication name	The name used for the Realm authentication. This may be the same as
	the user name, but must be filled in.
Password	The password used for the Realm authentication.
Registration Interval	This is a request to the SIP server for when the registration should
	expire. Avaya B179 automatically renews the registration within the
	time interval if the phone is still on and connected to the server. The
	default value is 1800 seconds.

On phone: > SETTINGS > ADVANCED > (PIN) > ACCOUNTS (6,2,1).

Nat traversal

NAT (Network Address Translation) is a firewall or router function that operates by rewriting the IP addresses in the IP headers as packets pass from one interface to the other. When a packet, for example, is sent from the inside, the source IP address and port are rewritten from the private IP address space into the address space on the outside (Internet).

NAT rewrites the addresses but leaves the packets themselves untouched. This kind of translation works fine for many protocols, but causes a lot of trouble for SIP packets that contain address information in their content (for example an INVITE request from one IP address to another).

NAT traversal solves this problem, providing a “view from the outside” that makes it

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

possible to replace the IP address in the SIP requests with the address shown on the other side of the firewall.

Note that in some cases NAT traversal is not necessary. Some public service providers of IP telephony keep track of the actual IP address used to register a phone, and the one used in the SIP requests from the same phone, and then replaces the addresses in the SIP messages.

STUN	STUN (Simple Traversal of UDP through NATs) is a protocol that assists
	devices behind a NAT firewall or router with their packet routing.
	STUN is commonly used in real-time voice, video,
	messaging, and other interactive IP communication applications.
	The protocol allows applications operating through a NAT to
	discover the presence and specific type of NAT and obtain the
	mapped (public) IP address (NAT address) and port number that the
	NAT has allocated for the application’s User Datagram Protocol (UDP)
	connections to remote hosts. The protocol requires assistance from a
	3rd-party network server (STUN server).
	STUN should be activated if an external SIP server cannot connect
	to the Avaya B179 behind a firewall NAT function and the SIP server
	supports STUN. A suitable STUN server is usually provided by the VoIP
	service provider.
	Note: STUN might also be referred to as Session Traversal Utilities for
	NAT.
STUN host	The IP address or public name of the STUN server.
Offer ICE	ICE (Interactive Connectivity Establishment), is a STUN addition that
	provides various techniques to allow SIP-based VoIP devices to suc-
	cessfully traverse the variety of firewalls that may exist between the
	devices. The protocol provides a mechanism for both endpoints to
	identify the most optimal path for the media traffic to follow.
TURN	TURN (Traversal Using Relay NAT) TURN is an extension of the STUN
	protocol that enables NAT traversal when both endpoints are behind
	symmetric NAT. With TURN, media traffic for the session will have to
	go to a relay server. Since relaying is expensive, in terms of bandwidth
	that must be provided by the provider, and additional delay for the
	media traffic, TURN is normally used as a last resort when endpoints
	cannot communicate directly.
TURN User	User authentication name on the TURN server.
TURN host	The IP address or public name of the TURN server.
Password	User authentication password on the TURN server.
On phone:	> SETTINGS > ADVANCED > (PIN) > NAT TRAVERSAL (6,2,3).

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Avaya B179 SIP Conference Phone	Installation and Administration Guide

Advanced

Enable SIP Replaces	Default is Yes. Setting this option to No, will instruct the PBX not to
	use the SIP replace header. Some PBXes try to take over the bridging
	functionality from Avaya B179 using this command, which causes the
	calls to interrupt.
Enable Blind Transfer	Default is Yes. Setting this option to No, will disable the transfer func-
	tion ( > TRANSFER) during a call. This may be used if the PBX does not
	support blind transfer.
Allow contact rewrite	Default is Yes. When enabled, the B179 will store the IP address from
	the response of the register request. If a change is detected, the
	phone will unregister the current sip URI (contact), and update the sip
	URI with the new address.
Send media ‘inactive’	Default is No. Must be set to Yes in a CS1000 server environment.
instead of ‘sendonly’
on hold
Outbound proxy	The IP address of the outbound proxy server.
Conference server	The IP address of the conference server that is currently in use.
Accept-Language header
value	Indicates the preferred languages for reason phrases, session
	descriptions, or status responses carried as message bodies in the SIP
	response.

Transport

The transport setting only concerns the protocol to be used for SIP messages between the devices involved. These settings do not include the media (the actual call). The settings on the Media tab should be set accordingly.

Note that if you choose to use a secure connection, both units must support it. Otherwise they cannot negotiate a connection. If an incoming call demands a secure TLS or SIPS connection, the Avaya B179 uses the appropriate protocol even if you have set the phone to use UDP.

Protocol	UDP (User Datagram Protocol) is a protocol on the transport layer
	in the Internet Protocol Suite. It is a stateless protocol for short mes-
	sages – datagrams. Stateless implies that it does not establish any
	connection between sender and receiver in advance. UDP does not
	guarantee reliability or ordering in the way that TCP does. Datagrams
	may arrive out of order or go missing without notice. The advantages
	it offers are speed and efficiency.
	UDP is the default protocol for SIP.
	TCP (Transmission Control Protocol) is a protocol on the transport
	layer in the Internet Protocol Suite. TCP is the standard protocol for

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