I'm just daydreaming here.. but what's the status of SIP-T in Asterisk? I haven't been able to find a whole lot of info on SIP-T but seems like just an extension of SIP. Right?
Now if I had a PSTN Gateway (that is a SS7 gateway) that supported SIP-T, could I signal * with SIP-T from it and have asterisk utilize MGCP to sieze a particular DS0 on a remote DS1? Hmm.. What am I missing here.. ??
Hmm, but outbound calls would be more complicated I think.. Let see, SIP user dials a number, we'll eventually place a dial out on the MGCP line, but we need to first send a few SIP-T messages to find out where to put it..
Just swiming around in it here.. Any thoughts? It seems to me that you MUST use something like MGCP or H.248 to connect the call to the PSTN (media gateway) since the specific DS0 to be utilized will be included in the ISUP messages..
-Brett
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