[Asterisk-Users] SIP-T Support (I got my head in an SS7 cloud)

Matt Hess mhess at livewirenet.com
Tue Jan 25 09:39:35 MST 2005


I, personally, think a channel driver handling both sigtran and 
mgcp/megaco would be an ideal setup for bridging the gap between ip and 
pstn.. especially with the current hardware devices on the market..

but all of that is just opinion..


Kevin P. Fleming wrote:

> brett-asterisk at worldcall.net wrote:
>
>> But I would like asterisk to accept the IMTs.. and the only way to do 
>> that is to find out what DS0 to take and place the calls on based on 
>> the SS7 messages. I guess one of the things I'm not clear on is going 
>> from SS7 to SIP-T, I'm not sure where the state machine exists..
>
>
> If that's the case, then you external box is just an SS7<->SIP-T 
> translator, right? It's not involved in the media path at all.
>
> It seems to me that if Asterisk is going to be involved in 
> setup/teardown of the DS0s, then it needs to be involved in the 
> signaling as well. Probably the best way to achieve this is going to 
> be for Asterisk to support SIGTRAN (or one of the other SS7-over-IP 
> solutions) and use an external SS7-to-SIGTRAN translator (or get 
> SIGTRAN from your telco(s), if they support it).
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