Avaya 1230 - Pre-Granting Authorization for the Answer-Mode

Chapter 28: PC Client Softphone
interworking
The interworking feature allows the user to access the functionality of the SIP IP Deskphone using a
softphone client on their PC. On an incoming call, both the IP Deskphone and the PC Client
Softphone ring. When the user answers the IP Deskphone, the softphone remains available for
Instant Messages, video and other multimedia features.
The IP Deskphone, PC Client softphone, and the Call Server are all necessary to support
interworking and the Click-to-Answer functionality.
The interworking feature enables the IP Deskphone to automatically answer an incoming call for the
purpose of Click-to-Answer. To avoid any security risk, the user must pre-grant authorization to
another user, or user groups, to allow them to make requests for the IP Deskphone to automatically
answer their calls.
By using Click-to-Answer, the user can answer a call on their PC Client Softphone, causing the
server to send an auto-answer request to the IP Deskphone. (When a user logs in, the IP
Deskphone sends a special identifier so that only that specific IP Deskphone receives the request
even though the user is logged in on multiple IP Deskphones.) The call is answered without user
interaction, but the microphone is muted to prevent the device from being used as a listening device
by a malicious user. When a call is answered, the user hears a ring-splash notification and can un-
mute the microphone to allow bidirectional media.
Pre-granting authorization for the Answer-Mode
The user must specify which users or groups of users are authorized to request auto-answer. The
user can grant authorization through the Feature Options menu if the interworking feature is enabled
in the user's IP Deskphone device configuration.
The user can enable and disable one or more of the following groups:
• Allow Public—Authorizes anyone on the internet.
• Allow Friends List—Authorizes everyone on the user's Friends List.
• Allow Directory—Authorizes everyone in the user's Personal Directory.
• Allow Addresses—Acts as a white-list of domain names and SIP addresses that have
authorized users.
March 2015 SIP Software for Avaya 1200 Series IP Deskphones-Administration 321
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