Yealink VC880 - Configuring SIP IP Call by Proxy; Configuring Ringback Timeout

| Configuring Call Settings | 180
7. The list shown on the top has the highest priority.
The system will search the list with higher priority preferentially.
Configuring SIP IP Call by Proxy
If the account of far site is an URI address (for example, 8000@XX.com), you can use SIP IP address or SIP
account to call the far site. By default, the SIP IP call by proxy feature is disabled. When dialing the URI of
the far site, the system uses the SIP IP address to establish a connection. If the SIP IP call by proxy feature is
enabled, the system uses the SIP account to establish a connection when dialing the URI of the far site.
Procedure
1. On your web user interface, go to Setting > Call Features.
2. Configure and save the following settings:
Parameter Description Configuration Method
SIP IP Call by Proxy
Enable or disable the SIP IP call
proxy.
Default: Disabled.
Web user interface
Configuring Ringback Timeout
The ringback timeout defines that if the remote party does not answer your call within the specific time, the
call will be hung up automatically.
Procedure
1. On your web user interface, go to Setting > Call Features > Ringback Timeout(30-240).
2. Configure and save the following settings:
Parameter Description Configuration Method
Ringback Timeout(30-240)
Configure the ringback time
(seconds).
Note: the valid value is from 30
to 240 and the default value is
180.
If it is set to 180, the call will be
hung up automatically if the
remote party does not answer
the call within 180s.
Web user interface
Endpoint
CTP20