Yealink SIP-T48G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
632
Phone User Interface
Configure NAT traversal and
STUN server on a phone basis.
Configure NAT traversal on a
per-line basis.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
sip.nat_stun.enable
0 or 1
0
Description:
Enables or disables the STUN (Simple Traversal of UDP over NATs) feature on the IP
phone.
0-Disabled
1-Enabled
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Network->Advanced->NAT->Active
Phone User Interface:
Menu->Settings->Advanced Settings (default password: admin)
->Network->NAT->NAT Status
sip.nat_stun.server
IP address or
domain name
Blank
Description:
Configures the IP address or the domain name of the STUN (Simple Traversal of
UDP over NATs) server.
Example:
sip.nat_stun.server = 218.107.220.201
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Network->Advanced->NAT->STUN Server
Phone User Interface:
Menu->Settings->Advanced Settings (default password: admin)
->Network->NAT->STUN Server

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