User Guide for T5 Series IP Phones
166
Transport Protocol (RTP) stream to the pre-configured multicast address(es) on specific
channel(s) without involving SIP signaling. You can also configure the phone to receive an RTP
stream from pre-configured multicast listening address(es) on specific channel(s) without
involving SIP signaling. Up to 31 multicast listening addressed and channels can be configured
on your phone.
The IP phone supports the following 31 channels:
0: Broadcasts are sent to channel 0. Note that the Yealink IP phones running firmware
version 80 or earlier can be regarded as listening to channel 0. It is the default channel.
1 to 25: Broadcasts are sent to channel 1 to 25. We recommend that you specify these
channels when broadcasting with Polycom IP phones which have 25 channels you can
listen to.
26 to 30: Broadcasts are sent to channel 26 to 30. We recommend that you specify these
channels when broadcasting with Yealink IP phones running firmware version 81 or later.
The IP phone can only send and receives broadcasts to/from the listened channels. Other
channels’ broadcasts will be ignored automatically by the IP phone.
Note
Sending RTP Stream
Configuring a Multicast Paging Key
Procedure:
1. Navigate to Menu->Features->DSS Keys.
2. Select a desired line key.
3. Select Key Event from the Type field.
4. Select Multicast Paging from the Key Type field.
5. (Optional.) Enter the string that will display on the LCD screen in the Label field.
6. Enter the multicast IP address and port number (for example, 224.5.6.20:10008) in the Value
field.
The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
7. Enter the desired channel between 0 and 30 in the Channel field.
If G722 codec is used for multicast paging, the LCD screen will display an “HD” icon to indicate
that the broadcasts are using Yealink HD voice. Check with your system administrator to see if
this feature is available on your phone.
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General
Weight and Dimensions
