Yealink SIP-T48G Administrator's Guide

Configuring Basic Features
407
Example of a SIP INVITE message:
INVITE sip:101@10.2.1.48:5060;user=phone SIP/2.0
Via: SIP/2.0/UDP 10.3.20.6:5060;branch=z9hG4bK2475812834
From: "1010" <sip:1010@10.2.1.48:5060>;tag=3747068208
To: <sip:101@10.2.1.48:5060;user=phone>
Call-ID: 0_4008470062@10.3.20.6
CSeq: 1 INVITE
Contact: <sip:1010@10.3.20.6:5060>
Content-Type: application/sdp
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER,
PUBLISH, UPDATE, MESSAGE
Max-Forwards: 70
User-Agent: Yealink SIP-T23G 44.80.0.60
Allow-Events: talk,hold,conference,refer,check-sync
Content-Length: 300
Procedure
Send user=phone can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure send user=phone
feature on a per-line basis.
Parameters:
account.X.enable_user_equal_ph
one
Local
Web User Interface
Configure send user=phone
feature on a per-line basis.
Navigate to:
http://<phoneIPAddress>/servlet?
p=account-adv&q=load&acc=0
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
account.X.enable_user_equal_phone
0 or 1
0

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