Specifications

Administrator’s Guide for CP860 IP conference phones
124
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
features.busy_tone_delay
0, 3 or 5
0
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-without a busy tone
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 call rejection. The caller’s LCD screen displays the reason according to the