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Yealink SIP-T48U Administrator's Guide

Yealink SIP-T48U
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Audio Features
168
When the audio codec is G.722.1c (24kb/s), the default value is 1;
When the audio codec is G.722.1 (24kb/s), the default value is 1;
When the audio codec is G722, the default value is 1;
When the audio codec is PCMU, the default value is 1;
When the audio codec is PCMA, the default value is 1;
When the audio codec is G729, the default value is 1;
When the audio codec is G726-16, the default value is 0;
When the audio codec is G726-24, the default value is 0;
When the audio codec is G726-32, the default value is 0;
When the audio codec is G726-40, the default value is 0;
When the audio codec is G723_53, the default value is 0;
When the audio codec is G723_63, the default value is 0;
When the audio codec is Opus, the default value is 0;
When the audio codec is iLBC_15_2kbps, the default value is 0;
When the audio codec is iLBC_13_33kpbs, the default value is 0;
Web UI
Account > Codec > Audio Codec
Parameter
account.X.codec.<payload_type>.priority
[1]
<MAC>.cfg
Description
It configures the priority of the enabled audio codec.
The name of the audio codec:
g722_1c_48kpbs-G.722.1c (48kb/s)
g722_1c_32kpbs-G.722.1c (32kb/s)
g722_1c_24kpbs-G.722.1c (24kb/s)
g722_1_24kpbs-G.722.1 (24kb/s)
g722-G722
pcmu-PCMU
pcma-PCMA
g729-G729
g726_16-G726-16
g726_24-G726-24
g726_32-G726-32
g726_40-G726-40
g723_53-G723_53
g723_63-G723_63
opus-Opus

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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

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