Yealink SIP-T2 SERIES Administrator's Manual page 650

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
The following table lists pre-defined variable values.
Variable Value
$mac
$ip
$model
$firmware
$active_url
$active_user
$active_host
$local
$remote
$display_local
$display_remote
$call_id
$callerID
$calledNumber
628
Description
The MAC address of the IP phone.
The IP address of the IP phone.
The IP phone model.
The firmware version of the IP phone.
The SIP URI of the current account when the IP phone
places a call, receives an incoming call or establishes
a call.
The user part of the SIP URI for the current account
when the IP phone places a call, receives an incoming
call or establishes a call.
The host part of the SIP URI for the current account
when the IP phone places a call, receives an incoming
call or establishes a call.
The SIP URI of the caller when the IP phone places a
call.
The SIP URI of the callee when the IP phone receives
an incoming call.
The SIP URI of the callee when the IP phone places a
call.
The SIP URI of the caller when the IP phone receives
an incoming call.
The display name of the caller when the IP phone
places a call.
The display name of the callee when the IP phone
receives an incoming call.
The display name of the callee when the IP phone
places a call.
The display name of the caller when the IP phone
receives an incoming call.
The call-id of the active call.
The display name of the caller when the IP phone
receives an incoming call.
The phone number of the callee when the IP phone
places a call.