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FAQ: Avaya IP Deskphones

This document contains the Frequently Asked Questions on Avaya 4600 and 9600 Series IP Telephones.

Miscellaneous

Is it possible for a single IP phone to be configured with two extensions?

An IP phone can only be logged in to a single extension at any given time. In order for it to log in as a different extension, it has to log out first, using the 'Options' button on the IP phone and then selecting 'Logoff'.

What are the differences between 4621 and 4625 IP Phones?

4625 and 4621 IP phones have the same form factor (that is, same size, same number of buttons and same layout of buttons). The only difference between them is the screen. The 4625 IP phone has a VGA backlit display supporting 256 colors and is capable of displaying JPEG format files. The comparison between the various 4600 Series IP telephones can be found at: http://support.avaya.com/elmodocs2/4620/ Web_Browser_faq_2.2_2.5.pdf.

Is there a way to find out the number of RTP packets going in and out of an IP phone, programmatically (that is, using JTAPI, TSAPI or DMCC)?

There is no provision in JTAPI, TSAPI or DMCC to accomplish this, but this can be achieved using RTCP Monitoring. Configure the IP address of the server that will receive RTCP information from Avaya Communication Manager (CM) on the 'ip-network-region' page. The IP phones will obtain the RTCP server settings from the Avaya CM based on the IP-network-region that it belongs to. When the IP phone is in a call, it will send RTCP information directly to the RTCP server. This is the way to check if there is actual audio between two IP end-points as the actual packet loss for the call can be monitored.

Is it possible to have multiple call appearances on IP phones? If yes, then what are the steps to achieve this?

By default, an extension is configured with three call appearances - the first two for answering calls and the third reserved for transferring/conferencing calls. This can be changed using the 'change station xxxx' form on the Communication Manager (CM). Similarly, an extension can be configured with one or many bridge appearances. This allows the extension to answer calls on behalf of the extensions that have a bridge appearance. The configuration is done on the 'change station xxxx' form. A bridge appearance is programmed using the option 'brdg-appr'.

For more information, see: http://support.avaya.com/japple/css/japple?PAGE=Document&temp.bucketID=160257&temp.productID=107755&temp.documentID=300566

What is the Management Information Base (MIB) to be used for 4690 IP phones?

The 4690 IP phones use the same MIB as the rest of the 46xx series. For more information, see: http://support.avaya.com/elmodocs2/MIB/46xxmib28.txt

Is there any documentation or Application Note available for 'vpnremote'?

Avaya uses the H.323 protocol with proprietary extensions. Is there a manual or technical reference for this protocol?

The protocol used with Avaya IP Telephones includes proprietary extensions.

However, the documentation cannot be provided without a special approval. If there is an application that requires Avaya's proprietary extensions, one can contact the respective DevConnect Business Development Manager to get the necessary approval. Avaya does support connectivity to generic H.323 endpoints without the use of the proprietary extensions, but this limits the feature set that the endpoints can support.

If the Avaya IP Phone PushSDK is used for developing an application for the Avaya 4600 and 9600 Series IP Telephones, can the application be uploaded directly to the Web server like uploading a Web page?

If the Avaya IP Phone PushSDK is used for developing a sample application, then Tomcat or some other servlet container will have to be used. If the Avaya IP Phone PushSDK is not used for developing sample applications, then a server-side scripting language like PHP or VB Script can be used to develop the applications. In this case, Tomcat would not be required, i.e., any other web server like Apache or Microsoft IIS can be used.

For more information, refer to the "Avaya one-X Deskphone Edition for 9600 Series IP Telephones Application Programmer Interface (API) Guide", or the "Application Programmer Interface (API) Guide - 4600 Series" and the documentation for the Avaya IP Phone PushSDK Version 1.0 available at the Devconnect Web site: www.avaya.com/devconnect.

Where can I get images of Avaya IP Telephones?

Refer the following link for downloading the images of all Avaya products:

http://www1.avaya.com/enterprise/photo_library/

Is it possible to show an image as well as text on a single line of the Avaya 4600 and 9600 Series IP Telephones?

No, it is not possible to render an image and text together on a single line of the Avaya IP Telephone.

How to set a background image for the Avaya 4600 Series IP Telephones?

In the '46xxsettings.txt' file, there is an area called DISPLAY SETTINGS which allows setting logos as the display background for Avaya IP Telephones. Refer the Avaya 4600 Series IP Telephone Administrators Guide for additional information on this parameter.

What is the 'PUSHCAP' parameter used for in the '46xxsettings.txt' file?

The 'PUSHCAP' parameter is used for the 'Push' capabilities setting. 'PUSHCAP' consists of 3 bits (each 0, 1, or 2). The rightmost bit controls the Top Line Push mode. The middle bit controls the Web Browser Push mode. The leftmost bit controls the Audio Push mode.

When 'PUSHCAP' is set to 000, all Push modes are disabled. When 'PUSHCAP' is set to 111, barge in only is allowed in all Push modes. When 'PUSHCAP' is set to 222, both barge in and normal pushes are allowed in all Push modes.

Example: SET PUSHCAP 111

How to enable SNMP on the Avaya 4600 or 9600 series IP Telephones?

To enable SNMP on Avaya IP Telephones, follow the steps below:

  • Edit the '46xxsettings.txt' file
  • Add the following line under the SNMP SETTINGS section:"SET SNMPSTRING public"
  • Reset IP Telephone to download the changed settings file (Mute-R-E-S-E-T).