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Multicast / Paging / Intercom - Yealink T58
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Ryandh Offline
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Posts: 10
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Post: #1
Multicast / Paging / Intercom - Yealink T58
We are wanting to have an intercom / paging system with our phones. We have Vonage Business, and although they have been able to get the feature to work on the phones in their lab, they have not been able to get the mutlicast / intercom feature to work on the phones in our office.

I have reviewed the manual, played with the settings for hours, but just can't get it to work.

Firmware Version
Hardware Version
Internet Port IPv4
WAN Port Type DHCP
WAN IP Address
Subnet Mask
Primary DNS
Secondary DNS

These are the instructions I've been attempting to implement.
The multicast paging feature allows the IP phones to send/receive Real-time Transport
Protocol (RTP) stream to/from the pre-configured multicast address(es) without involving
SIP signaling. You can specify up to 10 listening multicast addresses on IP phones.
For the phones to be able to send and receive multicast paging we need to do the following:
•Send Multicast - We will add a Button to send a page.
•Select a Codec - We will use the default Codec G722.
•Receive Multicast - Add the listening address to receive a page.
Please note that this article was written for a Yealink T22P. Not all Yealink support this feature.
Adding a Paging Button (DSS Key)
To configure a multicast paging key (This is to SEND the page) via web user interface:
1.Click on the Phone tab.
2.Select DSS Key.
3.In the desired DSS Key or Line Key select "Multicast Paging" from the Type dropdown menu.
4.Enter the multicast IP address and port number in the "Value" field.
5.Click "Confirm" to accept the changes.
The valid multicast IP addresses range from to and a port number.
For this example we will be using as the value (#4).
Codec for Multicast Paging
To Configure a codec for multicast paging via web user interface:
1.Click on the Phone tab.
2.Go to Features.
3.Select the desired Codec from the Multicast Codec dropdown menu (keep the default G722).
4.Click "Confirm" to accept the changes.
Receive the Multicast Page
In order to receive the multicast page, the following must be done.
1.Click on the Contacts tab.
2.Go to MulticastIP
3.Enter the listening multicast address and port number in the Listening Address field.
4.Enter the label in the Label field. **The label will appear on the LCD screen when receiving the RTP multicast
5.Click "Confirm" to accept the changes.

For this example we will be using as the listening address - #3 (The same address used to send multicast paging). Configure this setting on all the phones you will be paging. You will then be able to page multiple phones from the phone you configured to page using the line key or DSS Key.

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09-01-2017 08:35 PM
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Multicast / Paging / Intercom - Yealink T58 - Ryandh - 09-01-2017 08:35 PM

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