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

[brett-asterisk at worldcall.net]

Matt Hess wrote:

> 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).
>
Unfortunately I don't think anyone is going to be willing to open source 
it. :-/