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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Administrators Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
432
Procedure
Use outbound proxy in dialog can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Specify whether to use outbound
proxy in a dialog.
Parameter:
sip.use_out_bound_in_dialog
Web User Interface
Specify whether to use outbound
proxy in a dialog.
Navigate to:
http://<phoneIPAddress>/servlet?
p=features-general&q=load
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
sip.use_out_bound_in_dialog
0 or 1
1
Description:
Enables or disables the IP phone to send all SIP requests to the outbound proxy server
forcibly in a dialog.
0-Disabled
1-Enabled
If it is set to 0 (Disabled), only the new SIP request messages from the IP phone will be sent
to the outbound proxy server in a dialog.
If it is set to 1 (Enabled), all the SIP request messages from the IP phone will be forced to
send to the outbound proxy server in a dialog.
Note: It works only if the value of the parameter account.X.outbound_proxy_enable is set
to 1 (Enabled) and the outbound server address has been correctly configured on the
phone.
Web User Interface:
Features->General Information->Use Outbound Proxy In Dialog
Phone User Interface:
None
To configure use outbound proxy in dialog via web user interface:
1. Click on Features->General Information.

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Yealink SIP-T52S Specifications

General IconGeneral
Touchscreen-
Display diagonal2.8 \
Backlight displayYes
Display resolution320 x 240 pixels
Lines quantity16 lines
Phonebook capacity1000 entries
Number of VoIP accounts12
AC adapter input voltage100 - 240 V
Bluetooth version2.1+EDR
Security algorithms802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface typeGigabit Ethernet
USB 2.0 ports quantity1
Ethernet LAN (RJ-45) ports2
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Voice codecsG.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume controlDigital
Operating temperature (T-T)-10 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Front cameraNo
Operating system installedLinux
Weight and Dimensions IconWeight and Dimensions
Depth212 mm
Width211.6 mm
Height166.8 mm

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