Yealink SIP-T2XP Administrator's Manual page 121

Network conference, also known as centralized conference, provides users with
flexibility of call with multiple participants (more than three). IP phones implement
network conference using the REFER method specified in RFC 4579. This feature
depends on support from a SIP server.
Procedure
Network conference can be configured using the configuration files or locally.
Configuration File
Local
To configure the network conference via web user interface:
1. Click on Account.
2. Select the desired account from the pull-down list of Account.
3. Click on Advanced.
4. Select Network Conference from the pull-down list of Conference Type.
<MAC>.cfg
Web User Interface
Configuring Basic Features
Configure network conference.
For more information, refer to
Network Conference on page
321.
Configure network conference.
Navigate to:
http://<phoneIPAddress>/servlet
?p=account-adv&q=load&acc=
0
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