Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
382
Parameters
Permitted Values
Default
Description:
Configures the call waiting off code to deactivate the server-side call waiting feature. The IP
phone will send the call waiting off code to the server when you deactivate call waiting
feature on the IP phone.
Example:
call_waiting.off_code = *72
Web User Interface:
Features->General Information->Call Waiting Off Code
Phone User Interface:
Menu->Features->Call Waiting->Off Code
To configure call waiting via web user interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Call Waiting.
3. (Optional.) Enter the call waiting on code in the Call Waiting On Code field.
4. (Optional.) Enter the call waiting off code in the Call Waiting Off Code field.
5. Click Confirm to accept the change.
To configure call waiting tone via web user interface:
1. Click on Features->Audio.
2. Select the desired value from the pull-down list of Call Waiting Tone.
3. Click Confirm to accept the change.

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm