EasyManuals Logo

Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
572 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #21 background imageLoading...
Page #21 background image
Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
18
The web screen displays "Default password is in use. Please change!"
558
Logo Issues
559
Why does the IP phone use DOB format logo file instead of popular BMP, JPG and so on?
559
Power and Startup Issues
559
Both PoE cable and power adapter is connected to the phone
559
The power LED indicator has no lights
559
The Phone screen is black
559
The IP phone always displays the Yealink logo
559
Other Issues
559
The difference among user name, register name, and display name
559
On code and off code
559
The difference between RFC 2543 Hold enabled and disabled
560
The difference between Shared Call Appearance (SCA) and Bridge Lines Appearance (BLA)
560
Appendix
561
RFC and Internet Draft Support
561
Reading Icons
563

Table of Contents

Other manuals for Yealink SIP-T48U

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Yealink SIP-T48U and is the answer not in the manual?

Yealink SIP-T48U Specifications

General IconGeneral
Handset typeWired handset
Product typeIP Phone
Product colorGray
USB 2.0 ports quantityUSB 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 supportYes
Ethernet LAN (RJ-45) ports2
Display diagonal7 \
Display resolution800 x 480 pixels
Lines quantity- lines
Phonebook capacity1000 entries
Number of VoIP accounts16
Voice codecsAGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithmsAES, HTTPS, SRTP, TLS
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Front camera-
AC adapter input voltage100 - 240 V
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Keypad number of keys29
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Width226 mm
Height185 mm

Related product manuals