Yealink SIP-T2 Series Administrator's Manual page 300

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
Parameter call_waiting.enable
Description It enables or disables the call waiting feature.
0-Disabled, a new incoming call is automatically rejected by the IP phone with a busy message during a
Permitted
call.
Values
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
It enables or disables the IP phone to play the call waiting tone when the IP phone receives an incoming
call during a call.
Description
Note: It works only if "call_waiting.enable" is set to 1 (Enabled).
Permitted
0-Disabled
1-Enabled
Values
Default 1
Web UI Features->Audio->Call Waiting Tone
Phone UI Menu->Features->Call Waiting->Play Tone
Parameter call_waiting.on_code
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.
Description
Example:
call_waiting.on_code = *71
Permitted
String within 32 characters
Values
Default Blank
Web UI Features->General Information->Call Waiting On Code
Phone UI Menu->Features->Call Waiting->On Code
Parameter call_waiting.off_code
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.
Description
Example:
call_waiting.off_code = *72
Permitted
String within 32 characters
Values
Default Blank
294
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg