Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
382
Parameters
Permitted Values
Default
Description:
Configures the call waiting off code to deactivate the server-side call waiting feature. The IP
phone will send the call waiting off code to the server when you deactivate call waiting
feature on the IP phone.
Example:
call_waiting.off_code = *72
Web User Interface:
Features->General Information->Call Waiting Off Code
Phone User Interface:
Menu->Features->Call Waiting->Off Code
To configure call waiting via web user interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Call Waiting.
3. (Optional.) Enter the call waiting on code in the Call Waiting On Code field.
4. (Optional.) Enter the call waiting off code in the Call Waiting Off Code field.
5. Click Confirm to accept the change.
To configure call waiting tone via web user interface:
1. Click on Features->Audio.
2. Select the desired value from the pull-down list of Call Waiting Tone.
3. Click Confirm to accept the change.