Yealink SIP-T48G Administrator's Guide

Configuring Advanced Features
491
Unsolicited MWI
Unsolicited MWI is a server related feature. The IP phone sends a SUBSCRIBE message
to the server for message-summary updates. The server sends a message-summary
NOTIFY within the subscription dialog each time the MWI status changes.
Solicited MWI
For solicited MWI, you must enable MWI subscription feature on IP phones. IP phones
support subscribing the MWI messages to the account or the voice mail number.
Procedure
Configuration changes can be performed using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure subscribe for MWI.
Parameters:
account.X.subscribe_mwi
account.X.subscribe_mwi_expires
Configure subscribe MWI to voice
mail.
Parameters:
account.X.subscribe_mwi_to_vm
Configure the voice mail number for
account X.
Parameter:
voice_mail.number.X
Configure the presentation of audio
and visual MWI.
Parameter:
account.X.display_mwi.enable
Local
Web User Interface
Configure subscribe for MWI.
Configure subscribe MWI to voice
mail.
Configure the voice mail number for
account X.
Configure the presentation of audio
and visual MWI.
Navigate to:
http://<phoneIPAddress>/servlet?p
=account-adv&q=load&acc=0
Phone User Interface
Configure the voice mail number for
account X.

Yealink SIP-T48G Specifications

General

Expansion module support	Yes
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Volume control	-
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
AC adapter input voltage	100 - 240 V
Number of handles included	1 pc(s)

Weight and Dimensions

Width	266 mm
Height	185 mm