A large SS7/CNAM/LIDB supplier communicates with us over SIP packets. You send them a specially formatted invite with the TCAP type code in it and they reply with a 200 OK that contains a P-Asserted-ID field that contains (in the case of caller ID, the name in the name field of the P-Asserted-ID field, and for LNP I think they return the number in the number field. -Paul > I specifically asked the question about sigtran, but very large company > said they use SIP packets to do it. I'm trying to get them to get me on > a call with their developers because their sales engineers couldn't > explain the details to me. > > Joe > > > > On 7/13/2010 3:14 PM, Bryan Scott wrote: >> I could be wrong, but I don't think libss7 handles TCAP queries >> (currently). >> >> I'd be inclined to ask very big company how they put the TCAP over VPN >> (is it over SIGTRAN over an IPSEC tunnel?). >> >> (If libss7 does support TCAP queries, I too am interested...) >> >> -- Bryan >> >> >> On Jul 13, 2010, at 12:42 PM, Joe Freeman wrote: >>> >>> Greetings- >>> >>> I've recently been looking at TCAP services from both my A-link >>> provider >>> and another, very large, company. The proposal from the very large >>> company came back with relatively good rates as compared with the >>> incumbent A-link provider. However (there's always one), their proposal >>> is predicated on my using TCAP over VPN. >>> >>> I've never heard of TCAP over VPN, and my signaling gateway/controller >>> vendor says they haven't either. So I'm looking for whatever >>> information >>> I can find. >>> >>> My purpose for asking here is that I'm wondering if this is possible >>> with Asterisk, and if I can use Asterisk with lib-ss7 or similar to >>> create a translation device from which I could translate TCAP over VPN >>> to legacy TCAP on A-links for connection to my switch. >>> >>> Thanks- >>> Joe >> > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > >
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