Yealink SIP-T23, Provisioning Manual

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Appendix
157
Parameter
Permitted
Values
Descriptions Web Setting Path
action_url.unregistered =
http://192.168.0.20/help.xml?IP=$ip
The default value is blank.
Note: The old parameter “action_url.log_off”
is also applicable to IP phones.
action_url.register_failed
URL within 511
characters
It configures the action URL the IP phone
sends after a register failed.
Example:
action_url.register_failed =
http://192.168.0.20/help.xml?IP=$ip
The default value is blank.
Features->Action URL->Register
Failed
action_url.off_hook
URL within 511
characters
It configures the action URL the IP phone
sends when off hook.
Example:
action_url.off_hook =
http://192.168.0.20/help.xml?IP=$ip
The default value is blank.
Features->Action URL->Off Hook
action_url.on_hook
URL within 511
characters
It configures the action URL the IP phone
sends when on hook.
Example:
Features->Action URL->On Hook