Yealink T21PE2 - Page 300

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Parameter call_waiting.enable <y0000000000xx>.cfg
Description It enables or disables the call waiting feature.
Permitted
Values
0-Disabled, a new incoming call is automatically rejected by the IP phone with a busy message during a
call.
1-Enabled, the phone screen will present a new incoming call during a call.
Default 1
Web UI Features->General Information->Call Waiting
Phone UI Menu->Features->Call Waiting->Call Waiting
Parameter call_waiting.tone <y0000000000xx>.cfg
Description
It enables or disables the IP phone to play the call waiting tone when the IP phone receives an incoming
call during a call.
Note: It works only if “call_waiting.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default 1
Web UI Features->Audio->Call Waiting Tone
Phone UI Menu->Features->Call Waiting->Play Tone
Parameter call_waiting.on_code <y0000000000xx>.cfg
Description
It configures the call waiting on code.
The IP phone will send the code to activate call waiting on server-side when you activate it on the IP
phone.
Example:
call_waiting.on_code = *71
Permitted
Values
String within 32 characters
Default Blank
Web UI Features->General Information->Call Waiting On Code
Phone UI Menu->Features->Call Waiting->On Code
Parameter call_waiting.off_code <y0000000000xx>.cfg
Description
It configures the call waiting off code.
The IP phone will send the code to deactivate call waiting on server-side when you deactivate it on the IP
phone.
Example:
call_waiting.off_code = *72
Permitted
Values
String within 32 characters
Default Blank