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Yealink SIP-T52S Administrator's Guide

Yealink SIP-T52S
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Configuring Basic Features
443
2. Select the desired value from the pull-down list of RFC 2543 Hold.
3. Click Confirm to accept the change.
Music on Hold (MoH)
Music on Hold (MoH) is the business practice of playing recorded music to fill the silence that
would be heard by the party who has been placed on hold. To use this feature, specify a SIP URI
pointing to a MoH server account. When a call is placed on hold, the IP phone will send an
INVITE message to the specified MoH server account according to the SIP URI. The MoH server
account automatically responds to the INVITE message and immediately plays audio from
some source located anywhere (LAN, Internet) to the held party. For more information, refer to
draft RFC draft-worley-service-example.
Note
Procedure
Music on hold can be configured using the following methods.
Central Provisioning
(Configuration File)
<MAC>.cfg
Configure music on hold on a per-
line basis.
Parameter:
account.X.music_server_uri
Configure the way on how the IP
phone processes music on hold
when placing an active call on hold.
Music on Hold is not available on all servers. It is no need to specify the SIP URI if the MoH
feature is enabled by default on the server and the server can play audio to the held party. For
more information, contact your server administrator.

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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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