Avaya SIP Software 3.2 for 1200 Series Manual de usuario descargar pdf (Pagina 271)

Chapter 26: 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.

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Avaya SIP Software 3.2 for 1200 Series Manual de usuario Pagina 271