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<p>Hi everyone,</p>
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<p>I am sending out a multicast page using the following in my dialplan:</p>
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<pre style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: Consolas, Menlo, 'Liberation Mono', Courier, monospace; font-size: 12px; line-height: 1.4; color: rgb(51, 51, 51);">Page(MulticastRTP/linksys/${MULTICAST_IP_ADDR}:6061/${MULTICAST_IP_ADDR}:6061,q)</pre>
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<p>Everything works great, but I had a question about SIP and SDP:</p>
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<p>Should I be seeing a SIP/SDP message from the asterisk server containing media information and the multicast IP address? On wireshark, I see SIP/SDP from the admin phone I am using to dial the extension and initiate the page. But I never see a SIP/SDP message
with the multicast address sent from the Asterisk server to the endpoints. Maybe I misunderstand how SIP and SDP fit into the messaging scheme. </p>
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<p>Can anyone tell me if I should see SIP/SDP coming from my Asterisk server to my endpoints? I hope my question makes sense.</p>
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<p>Thanks,</p>
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<p>--Matt</p>
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