Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Details of Configuration Parameters:
Parameters
Permitted Values
Default
multicast.listen_address.X.ip_address
(X ranges from 1 to 31)
IP address: port
Blank
Description:
Configures the multicast address and port number that the IP phone listens to.
Example:
multicast.listen_address.1.ip_address = 224.5.6.20:10008
Note: The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
Web User Interface:
Directory->Multicast IP->Multicast Listening->Listening Address
Phone User Interface:
None
multicast.listen_address.X.label
(X ranges from 1 to 31)
String within 99
characters
Blank
Description:
(Optional.) Configures the label to be displayed on the LCD screen when receiving the
multicast paging calls.
Example:
multicast.listen_address.1.label = Paging1
Web User Interface:
Directory->Multicast IP->Multicast Listening->Label
Phone User Interface:
None
multicast.listen_address.X.channel
(X ranges from 1 to 31)
Integer from 0 to 30
0
Description:
Configures the channel that the IP phone listens to.
If it is set to 0, the IP phone can receive an RTP stream of the pre-configured multicast
address from the IP phones running old firmware version (old provisioning mechanism),
from the IP phones listen to the channel 0, or from the available third-party devices (e.g.,
Cisco IP phones).
If it is set to 1 to 25, the IP phone can receive an RTP stream of the pre-configured
multicast address on the channel 1 to 25 respectively from Yealink or Polycom IP phones.
If it is set to 26 to 30, the IP phone can receive the RTP stream of the pre-configured

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