Polycom 1725-11530-310 Manual De Usuario

Administrator’s Guide SoundPoint IP / SoundStation IP 

B - 10

The phone is compatible with the Presence and Instant Messaging features of 

Microsoft Windows

 

Messenger 5.1. In a future release, support for the 

Presence and Instant Message recommendations in the SIP Instant Messaging 

and Presence Leveraging Extensions (SIMPLE) proposals will be provided by 

the following Internet drafts or their successors:

• draft-ietf-simple-cpim-mapping-01

• draft-ietf-simple-presence-07

• draft-ietf-simple-presencelist-package-00

• draft-ietf-simple-winfo-format-02

• draft-ietf-simple-winfo-package-02

A shared line is an address of record managed by a call server. The server 

allows multiple end points to register locations against the address of record.
The phone supports shared call appearances (SCA) using the 

SUBSCRIBE-NOTIFY method in the “SIP Specific Event Notification” 

framework (RFC 3265). The events used are:

• “call-info” for call appearance state notification

• “line-seize for the phone to ask to seize the line

A bridged line is an address of record managed by a server. The server allows 

multiple end points to register locations against the address of record.
The phone supports bridged line appearances (BLA) using the 

SUBSCRIBE-NOTIFY method in the “SIP Specific Event Notification” 

framework (RFC 3265). The events used are:

• “dialog” for bridged line appearance subscribe and notify