Yealink SIP-T48G Administrator's Manual page 384

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Description:
Configures the action URL the IP phone sends after an account is registered.
Example:
action_url.registered = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Registered
Phone User Interface:
None
action_url.unregistered
Description:
Configures the action URL the IP phone sends after an account is unregistered.
Example:
action_url.unregistered = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Unregistered
Phone User Interface:
None
action_url.register_failed
Description:
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
Web User Interface:
Features->Action URL->Register Failed
Phone User Interface:
None
action_url.off_hook
Description:
Configures the action URL the IP phone sends when off hook.
370
Parameters Permitted Values
URL within 511 characters
URL within 511 characters
URL within 511 characters
Default
Blank
Blank
Blank