Yealink SIP-T21 E2 Administrator's Guide

Configuring Basic Features
399
Call-ID: 0_2584152566@10.10.20.32
CSeq: 5 NOTIFY
Contact: <sip:1000@10.10.20.31:5060>
Content-Type: application/dialog-info+xml
Max-Forwards: 70
User-Agent: Yealink SIP-T46G 28.81.0.25
Subscription-State: active;expires=48
Event: dialog
Content-Length: 217
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="4" state="partial"
entity="sip:1000@10.2.1.48:5060">
<dialog id="65644">
<state>terminated</state>
</dialog>
</dialog-info>
Procedure
Call completion can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure call completion.
Parameter:
features.call_completion_enable
Web User Interface
Configure call completion.
Navigate to:
http://<phoneIPAddress>/servlet?p
=features-general&q=load
Phone User Interface
Configure call completion.
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
features.call_completion_enable
0 or 1
0
Description:
Enables or disables call completion feature. If a user places a call and the callee is
temporarily unavailable to answer the call, call completion feature allows notifying the user
when the callee becomes available to receive a call.
0-Disabled
1-Enabled

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English