Yealink SIP-T4U Series

Advanced Features
474
Values
Default
Blank
Web UI
Features > Action URL > Call Waiting On
Parameter
action_url.call_waiting_off <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when the call waiting feature is disabled.
Example:
action_url.call_waiting_off = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
Features > Action URL > Call Waiting Off
Parameter
action_url.headset <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when pressing the HEADSET key.
Example:
action_url.headset = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
All phones except CP920
Web UI
Features > Action URL > Headset
Parameter
action_url.handfree <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when pressing the Speakerphone key.
Example:
action_url.handfree = http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank
Supported
Devices
All phones except CP920
Web UI
Features > Action URL > Handsfree
Parameter
action_url.cancel_callout <y0000000000xx>.cfg
Description
It configures the action URL the phone sends when canceling the outgoing call in the ring-back state.
Example:
action_url.cancel_callout= http://192.168.0.20/help.xml?IP=$ip
Permitted
Values
URL within 511 characters
Default
Blank