Multicast paging over internet

Asterisk Asterisk SIP
1

I have a customer with 3 sites, the Asterisk system is in the cloud. Is there a way to send Multicast paging to the three sites over the internet?
Alternatively: Would it be possible to install a device at each site that would (when called) automatically answer and redirect the audio to a multicast address locally?

Thanks for any ideas

2

I assume you mean with only a single audio stream, as there isn’t anything special about the Page() application.

You could install an Asterisk at each site, so the second option is obviously possible.

3

So the second option is coming true. All sites are connected to the cloud system over IAX I have a multicast context setup on each system and the phones all work on it. So from the cloud system how would I send a single audio stream to the other sites to access the multicast paging there?

4

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