Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
754
Parameters
Permitted Values
Default
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Example:
account.1.sip_server.1.expires = 3600
Web User Interface:
Account->Register->SIP Server Y->Server Expires
Phone User Interface:
None
account.X.sip_server.Y.retry_counts
(X ranges from 1 to 16, Y ranges from 1 to 2)
Integer from 0 to
20
3
Description:
Configures the retry times for the IP phone to resend requests when the SIP server Y is
unavailable or there is no response from the SIP server Y for account X.
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Example:
account.1.sip_server.1.retry_counts= 3
The IP phone moves to the next available server after three failed attempts.
Web User Interface:
Account->Register->SIP Server Y->Server Retry Counts
Phone User Interface:
None
account.X.sip_server.Y.register_on_enable
(X ranges from 1 to 16, Y ranges from 1 to 2)
0 or 1
0
Description:
Enables or disables the IP phone to register to the secondary server before sending
requests to it for account X when encountering a failover.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), the IP phone won’t attempt to register to the secondary server,
since the phone assumes that the primary and secondary servers share registration

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