Yealink VC400 - Page 149

Configuring Call Preferences
133
Parameter
Description
Configuration Method
 Disabled—do not use H.235 in
H.323 calls.
 Optional—negotiate with the
far site whether to use H.235 for
media encryption in H.323 calls.
 Compulsory—compulsory use
H.235 for media encryption in
H.323 calls.
Default: Disabled
For more information, refer to H.235
on page 263.
Protocol Monitor
Port
Specifies the port for the H.323
protocol.
Valid values: 0-65535
Default 1720.
Note: It is only applicable to H.323 IP
call.
Web User Interface
Local Early Media
Enables or disables local early media
feature on the system.
Default: Disabled.
If it is set to Enabled, the system will
send video SDP twice during a call to
solve the compatibility between
Yealink device and certain devices.
Web User Interface
To configure H.323 account via web user interface:
1. Click on Account->H.323.