Yealink SIP-T52S Administrator's Guide

Configuring Basic Features
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3. Select the desired value from the pull-down list of SIP Send MAC.
4. Click Confirm to accept the change.
SIP Send Line
The IP phone can send the line number in the REGISTER message. SIP send line allow adding
“Line:<linenumber>”(e.g., Line: 1) to the SIP header of the REGISTER message. The line number
is a number between 0 and 15.
The following table lists line number values for each phone model.
Phone Model
Line Number
Description
SIP-T54S/T48G/T48S/T46G/T46S/
T29G
0~15
0~15 stand for line1~line16
SIP-T52S/T42G/T42S
0~11
0~11 stand for line1~line12
SIP-T41P/T41S/T27P/T27G
0~5
0~5 stand for line1~line6
SIP-T40P/T40G/T23P/T23G
0~2
0~2 stand for line1~line3
SIP-T21(P) E2
0~1
0~1 stand for line1~line2
SIP-T19(P) E2/CP860/CP920
0
0 stand for line1
Example of a SIP REGISTER message:
REGISTER sip:10.2.1.48:5060 SIP/2.0
Via: SIP/2.0/UDP 10.3.20.14:5060;branch=z9hG4bK3990593443
From: "11" <sip:11@10.2.1.48:5060>;tag=255071842
To: "11" <sip:11@10.2.1.48:5060>
Call-ID: 1_2369214377@10.3.20.14
CSeq: 2 REGISTER

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm