Name: Yealink SIP-T48S
Brand: Yealink
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reserved. No parts of this publication may be reproduced or transmitted in any

form or by any means, electronic or mechanical, photocopying, recording, or

otherwise, for any purpose, without the express written permission of

Yealink(Xiamen) Network Technology CO., LTD. Under the law, reproducing

includes translating into another language or format.

When this publication is made available on media1, Yealink(Xiamen) Network

Technology CO., LTD. gives its consent to downloading and printing copies of the

content provided in this file only for private use but not for redistribution. No parts

of this publication may be subject to alteration, modification or commercial use.

Yealink(Xiamen) Network Technology CO., LTD. will not be liable for any damages

arising from use of an illegally modified or altered publication.

Warranty

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS GUIDE ARE

SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND

RECOMMENDATIONS IN THIS GUIDE ARE BELIEVED TO BE ACCURATE AND PRESENTED

WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL

RESPONSIBILITY FOR THEIR APPLICATION OF PRODUCTS.

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO., LTD. MAKES NO WARRANTY OF ANY KIND

WITH REGARD TO THIS GUIDE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Yealink(Xiamen) Network

Technology CO., LTD. shall not be liable for errors contained herein nor for incidental or

consequential damages in connection with the furnishing, performance, or use of this guide.

Declaration of Conformity

Hereby, Yealink(Xiamen) Network Technology CO., LTD. declares that this phone is in conformity

with the essential requirements and other relevant provisions of the CE, FCC.

You can find the CE and FCC information from the label on the back of the IP phone.

Statements of compliance can be obtained by contacting support@yealink.com.

CE Mark Warning

This device is marked with the CE mark in compliance with EC Directives 2014/35/EU and

2014/30/EU.

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General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Display diagonal	7 \
Display resolution	800 x 480 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Front camera	No
Voice codecs	CNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Keypad number of keys	42
Security algorithms	AES
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, HTTPS
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800