Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Parameters
Permitted Values
Default
Example:
action_url.register_failed = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Register Failed
Phone User Interface:
None
action_url.off_hook
URL within 511 characters
Blank
Description:
Configures the action URL the IP phone sends when off hook.
Example:
action_url.off_hook = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Off Hook
Phone User Interface:
None
action_url.on_hook
URL within 511 characters
Blank
Description:
Configures the action URL the IP phone sends when on hook.
Example:
action_url.on_hook = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->On Hook
Phone User Interface:
None
action_url.incoming_call
URL within 511 characters
Blank
Description:
Configures the action URL the IP phone sends when receiving an incoming call.
Example:
action_url.incoming_call = http://192.168.0.20/help.xml?IP=$ip