Yealink T21PE2 User Manual

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Event Description
Autop Finish When the IP phone completes auto provisioning via power on.
Open Call Waiting When the IP phone enables the call waiting.
Close Call Waiting When the IP phone disables the call waiting.
Headset When the IP phone presses the HEADSET key (not applicable to CP920 IP phones).
Handfree When the IP phone presses the Speakerphone key (not applicable to CP920 IP phones).
Cancel Call Out When the IP phone cancels an outgoing call in the ring-back state.
Remote Busy When an outgoing call is rejected.
Call Remote Canceled When the remote party cancels the outgoing call in the ringing state.
Peripheral Information When the accessory is unplugged or plugged.
Variable Values List
The following table lists pre-defined variable values.
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 the connected expansion modules.

Yealink T21PE2 Specifications

General

Brand	Yealink
Model	T21PE2
Category	IP Phone
Language	English