Yealink SIP-T48G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
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Procedure
NTP time server and time zone can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure NTP by DHCP priority
feature and DHCP time feature.
Parameters:
local_time.manual_ntp_srv_prior
local_time.dhcp_time
Configure the NTP server, time
zone.
Parameters:
local_time.ntp_server1
local_time.ntp_server2
local_time.interval
local_time.time_zone
local_time.time_zone_name
Local
Web User Interface
Configure NTP by DHCP priority
feature and DHCP time feature.
Configure the NTP server, time
zone.
Navigate to:
http://<phoneIPAddress>/servlet
?p=settings-datetime&q=load
Phone User Interface
Configure DHCP time feature.
Configure the NTP server, time
zone.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
local_time.manual_ntp_srv_prior
0 or 1
0
Description:
Configures the priority for the IP phone to use the NTP server address offered by the
DHCP server.
0-High (use the NTP server address offered by the DHCP server preferentially)
1-Low (use the NTP server address configured manually preferentially)
Web User Interface:

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