Yealink SIP-T48U Configuration Guide

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From Bicom Systems Wiki
Contents
1 Introduction
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2 Video Tutorial
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3 Requirements
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3.1 Identifying Phone Model
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3.2 Phone Firmware
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3.3 DHCP Server
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3.4 PBXware Version
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4 Installation
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4.1 Power Adapter
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4.2 Power over Ethernet (PoE)
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4.3 Find the phone IP address
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4.4 Reset to Factory Settings
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5 Registering Phone
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5.1 Manual Configuration
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5.2 Auto Provisioning
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5.3 Using TLS
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5.4 DNS SRV
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6 Configure BLF
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6.1 Extension Settings
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6.2 Phone Settings
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7 Additional Configuration Template
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Introduction

Yealink SIP-T48U Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Keypad number of keys	29
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Width	226 mm
Height	185 mm