Return Code When Refuse - Yealink SIP-T48G Administrator's Manual

Description:
Configures the duration time (in seconds) for the busy tone.
When one party releases the call, a busy tone is audible to the other party indicating
that the call connection breaks.
0-0s
3-3s
5-5s
If it is set to 3 (3s), a busy tone is audible for 3 seconds on the IP phone.
Web User Interface:
Features->General Information->Busy Tone Delay (Seconds)
Phone User Interface:
None
To configure busy tone delay via web user interface:
1． Click on Features->General Information.
2． Select the desired value from the pull-down list of Busy Tone Delay (Seconds).
3． Click Confirm to accept the change.
Return code when refuse defines the return code and reason of the SIP response
message for the refused call. The caller's phone LCD screen displays the reason
according to the received return code. Available return codes and reasons are:
404 (Not Found)

480 (Temporarily Not Available)

Parameter
Configuring Basic Features
Permitted Values Default
129