Yealink SIP-T23G

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Variable Value Description
$mac The MAC address of the IP phone.
$ip The IP address of the IP phone.
$model The IP phone model.
$firmware The firmware version of the IP phone.
$active_url
The SIP URI of the current account when the IP phone places a call, receives an incoming
call or establishes a call.
$active_user
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.
$active_host
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.
$local
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.
$remote
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.
$display_local
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.
$display_remote
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.
$call_id The call-id of the active call.
$callerID The display name of the caller when the IP phone receives an incoming call.
$calledNumber The phone number of the callee when the IP phone places a call.
$exp_number The number of connected expansion modules.
$ehs_number The number of connected EHS.
$udisk_number The number of connected USB flash drives.
$usbheadset_number The number of connected USB headset devices.
$wifi_number The number of connected Wi-Fi dongles.
$bluetooth_number The number of connected Bluetooth dongles.
$vpn_ip The phone IP address assigned by the VPN server.
$cfg_all
The CFG configuration file contains all current configurations of the IP phone.
Note: The valid URI is: http://<serverIPAddress>/<filename>/?variable name=$variable
value.
Example:
http://10.82.21.10/Upload/?Cfg=$cfg_all
$cfg_local
The CFG configuration file contains all non-static parameters made via the phone user
interface and web user interface.
Note: It works only if “static.auto_provision.custom.protect” is set to 1 (Enabled). The valid
URI is: http://<serverIPAddress>/<filename>/?variable name=$variable value.
Example: