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Yealink SIP-T52S User Manual

Yealink SIP-T52S
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User Guide for T5 Series IP Phones
172
2. You can do the following:
Press Hold to place the current multicast RTP session on hold.
The sender’s phone places the multicast RTP session on hold and receiver’s phone
releases the session.
To resume the held multicast RTP session, press Resume.
The multicast RTP session is re-established.
Press End Call to end the multicast RTP session.
Note
Sending RTP Stream via a Paging List Key
Procedure:
1. Press the paging list key when the phone is idle.
2. Select a desired paging group.
3. Press Paging to send RTP.
4. Your can do the following:
Press Hold to place the current multicast RTP session on hold.
The sender’s phone places the multicast RTP session on hold and receiver’s phone
releases the session.
To resume the held multicast RTP session, press Resume.
The multicast RTP session is re-established.
Press End Call to end the multicast RTP session.
Automatic Call Distribution (ACD)
ACD is often used in offices for customer service, such as call center. The ACD system handles
large volumes of incoming calls from callers who have no need to talk to a specific person but
who require assistance from any of multiple persons at the earliest opportunity. ACD on the
SIP-T46S/T46G IP phone allows the ACD system to distribute large volumes of incoming calls to
the registered ACD users. To use this feature, you should configure an ACD key in advance. For
more information on ACD key LED indicators, refer to LED Instructions.
Note
ACD is not available by default. Check with your system administrator to find out if this feature is
available on your phone.
Multicast RTP is one way only from the sender to the multicast address(es) (receiver). For
outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.

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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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