Yealink SIP-T54S Administrator's Manual page 754

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
None
action_url.dnd_off
Description:
Configures the action URL the IP phone sends when DND feature is deactivated.
Example:
action_url.dnd_off = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Close DND
Phone User Interface:
None
action_url.always_fwd_on
Description:
Configures the action URL the IP phone sends when always forward feature is activated.
Example:
action_url.always_fwd_on = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Open Always Forward
Phone User Interface:
None
action_url.always_fwd_off
Description:
Configures the action URL the IP phone sends when always forward feature is deactivated.
Example:
action_url.always_fwd_off = http://192.168.0.20/help.xml?IP=$ip
Web User Interface:
Features->Action URL->Close Always Forward
Phone User Interface:
None
action_url.busy_fwd_on
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Parameters Permitted Values
URL within 511 characters
URL within 511 characters
URL within 511 characters
URL within 511 characters
Default
Blank
Blank
Blank
Blank