Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Multicast Paging
Multicast Paging allows you to easily and quickly broadcast instant audio announcements to users who are listening to
a specific multicast group on a specific channel.
Yealink IP phones support the following 31 channels:
l 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.
l 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.
l 26 to 30: Broadcasts are sent to channel 26 to 30.
The IP phones can only send and receives broadcasts to/from the listened channels. Other channels’ broadcasts will be
ignored automatically by the IP phone.
Topics
Multicast Paging Group Configuration
Multicast Listening Group Configuration
Multicast Paging Settings
Multicast Paging Group Configuration
Yealink IP phones support up to 31 groups for paging. You can assign multicast IP address with a channel for each
group, and specify a label to each group to identify the phones in the group, such as All, Sales, or HR.
Tip
You can set a DSS key as Multicast Paging key or Paging list key on the phone, which allows you to send announcements to
the phones with the pre-configured multicast address(es) on the specific channel(s). For more information, refer to DSS
Keys.
The following table lists the parameters you can use to configure a multicast paging group.
Parameter
multicast.paging_address.X.ip_address
[1]
<y0000000000xx>.cfg
Description
It configures the IP address and port number of the multicast paging group in the paging list. It will be dis-
played on the LCD screen when placing the multicast paging call.
Example:
multicast.paging_address.1.ip_address = 224.5.6.20:10008
multicast.paging_address.2.ip_address = 224.1.6.25:1001
Note: The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.
Permitted
Values
String
Default Blank
Web UI Directory->Multicast IP->Paging List->Paging Address
Phone UI
T54S/T52S/T48S/T48G/T46S/T46G/T29G:
Menu->Features->Paging List->Edit->Address
T42G/T42S/T41P/T41S/T40P/T40G/T27G/T23P/T23G/T21(P) E2/T19(P) E2/CP920:
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