Yealink SIP-T48G Administrator's Guide

Configuring Audio Features
659
This chapter provides information for making configuration changes for the following
audio features:
 Ring Tones
 Distinctive Ring Tones
 Tones
 Voice Mail Tone
 Headset Prior
 Dual Headset
 Sending Volume
 Audio Codecs
 Acoustic Clarity Technology
Ring tones are used to indicate incoming calls acoustically. Users can select a built-in
system ring tone or a custom ring tone for the phone or account. To set the custom ring
tones, you need to upload the custom ring tones to the IP phone in advance.
The ring tone format must meet the following:
Phone Model
Format
Single File Size
Total File Size
SIP-T48G/T46G/T29G
.wav
<=8MB
<=20MB
SIP-T42G/T41P/T40P/T27P/T23P/
T23G/T21(P) E2/T19(P)
E2/CP860
.wav
<=100KB
<=100KB
Note
Procedure
Ring tones can be configured using the configuration files or locally.
Configuration File
<y0000000000xx>.cfg
Configure a ring tone for the
IP phone.
Parameter:
The ring tone file must be PCMU audio format, mono channel, 8K sample rate and 16 bit
resolution.

Yealink SIP-T48G Specifications

General

Expansion module support	Yes
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Volume control	-
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
AC adapter input voltage	100 - 240 V
Number of handles included	1 pc(s)

Weight and Dimensions

Width	266 mm
Height	185 mm