Polycom SIP 3.0.2 사용자 설명서

 Configuring Your System

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The phone can conference together the local user with the remote parties of a 

configurable number of independent calls by using the phone’s local audio 
processing resources for the audio bridging. There is no dependency on 

network signaling for local conferences. 
The phone also supports centralized conferences for which external resources 
are used such as a conference bridge. This relies on network signaling.

Configuration changes can performed centrally at the boot server:

The individual parties within a conference can be managed.
Configuration changes can be performed centrally at the boot server:

Conferences are not available when the G.729 codec is enabled on the 

SoundStation IP 4000 conference phone.

Configuration file: 
sip.cfg

Specify the conference hold behavior (all parties on hold or only host 

is on hold). 
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For more information, refer to 

 

on page 

Specify whether or not all parties hear sound effects while setting up 

a conference.
•

For more information, refer to 

 

on page 

Specify which type of conference to establish and the address of the 

centralized conference resource.
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For more information, refer to 

 

on page 

This feature is only supported on the SoundPoint IP 550, 560, and 650 desktop 

phones.
This feature requires a license key for activation. Using this feature may require 

purchase of a license key or activation by Polycom channels. For more information, 

contact your Certified Polycom Reseller.

Configuration file: 
sip.cfg

Turn this feature on or off.  
•

For more information, refer to 

 on page