Polycom Version 1.4.x 17 manual Shared Call Appearances

Administrator Guide - SoundPoint® IP / SoundStation® IP Features

two concurrent calls per registration (line). This is an artificial limit and will be expanded in the future.

3.1.20 Shared Call Appearances

Calls and lines on multiple phones can be logically related to each other. A call that is active on one phone will be presented visually to phones which share that call appear- ance. Mutual exclusion features emulate traditional PBX or key system privacy for shared calls. Incoming calls can be presented to multiple phones simultaneously. This feature is dependent on support from a SIP server which binds the appearances together logically and looks after the necessary state notifications and performs an access control function. For more information, see 5.2.4 Shared Call Appearance Sig- naling on page 139.

	Configuration file:	Specify whether diversion should be disabled on shared
	ipmid.cfg	lines.
		•	For more information, see 4.6.1.10 Call Handling
			Configuration <call/> on page 92.
	Configuration file:	Specify line-seize subscription period.
	sip.cfg	•	For more information, see 4.6.2.1.2 Server <server/>
			on page 114.
		Specify standard or non-standard behavior for processing
		line-seize subscription for mutual exclusion feature.
Central		•	For more information, see 4.6.2.1.3.4 Special Events
(boot
			<specialEvent/> on page 118.
server)
	Configuration file:	Specify per-registration line type (private or shared) and
	phone1.cfg	line-seize subscription period if using per-registration
		servers. A shared line will subscribe to a server providing
		call state information.
		•	For more information, see 4.6.3.1 Registration <reg/>
			on page 121.
		Specify per-registration whether diversion should be dis-
		abled on shared lines.
		•	For more information, see 4.6.3.3 Diversion <divert/>
			on page 124.

Copyright © 2004 Polycom, Inc. 31