In Hungary not needed certification, only pass the ss7 tests (t-com). On Fri, 2005-08-26 at 13:02 -0400, Matthew Crocker wrote: > Not sure why I hit send on that last one but to add... > > > You need SS7 to interconnect with the PSTN if you are a telephone > company. You don't need SS7 if you are a customer. The PSTN here in > the states is governed by a set of standard put forth by ANSI and > published by Telcordia. Your SS7 stack needs to be certified to work > with the PSTN before you will be allows to inter connect. I don't > think any ILEC will allow an open source software package on their > SS7 network. If you plan on connecting SS7 to the PSTN you would be > considered a 'switch' not a 'pbx' and your 'switch' must also support > CALEA and E911 amongst other things. > > I purchased a Tekelec t7000 switch to handle my SS7,CALEA,E911,... > and VoIP codec stuff which will dump SIP/g.711 to an internal > Asterisk feature server. Verizon (my ILEC here) will only see SS7 > from me originating from the Tekelec switch. > > IMHO, Asterisk doesn't need a full SS7 stack. It needs to work with > certain SS7 gateways which already run certified SS7 stacks and > convert it to SIGTRAN (SS7 over IP). Asterisk with a Ethernet card, > SIGTRAN, ISUP, LNP, LIDB would be good but I don't know if it would > ever be good enough to act as a telco switch. > > For me, hanging a SIP only Asterisk off my switch as a SIP/VoIP > feature server will give me all the capabilities I would need. > > -Matt > > On Aug 26, 2005, at 12:45 PM, Richard Gintz wrote: > > > Can someone give me an example of the cost/feature differences > > between SS& and > > PRI ISDN? I just got a PRI line in from XO Communications > > (Texas). And how > > much differently would Asterisk configurations be using SS7 vs. PRI? > > > > Thanks > > > > > >> > >> > >>> To me the reason I'd really like SS7 over PRI ISDN is that I would > >>> really like to get the CPC data on incoming calls which PRI > >>> ISDN cannot > >>> do and thats it in total. > >>> > >> > >> I am not sure what _I_ would do with the CPC information in my > >> case. It may > >> be good to know where the call came from so that I can setup more > >> cost > >> effective route in the future but Caller ID (number) seems good > >> enough to > >> start. So simply converting the SS7 message to a PRI should be > >> good enough. > >> If I can pass the caller ID information down to the Voip > >> Subscribers that > >> would be the only reason I need it. > >> What do _you_ use the CPC information for? > >> > >> > >>> I think not many people need SS7 - maybe its not big/available in > >>> the > >>> US? Also normal businesses will get by fine with PRI ISDN > >>> (they don't want/need the CPC switch data). > >>> > >> > >> It is the primary way to interconnect to the ILEC (at least Qwest > >> in the > >> Northwest). The cost of lines controlled by SS7 is only a > >> fraction of PRIs > >> from Qwest or other providers. > >> > >> > >>> Markku Korpi's driver is not cheap for sure > >>> > >> > >> Yes but it is certainly less money than most hardware solutions I > >> have seen > >> out there. (Markku hasn't gotten back to me yet from my first > >> email to him > >> so I am not even sure whether I will be able to get it if I want it) > >> > >> > >>> Best of luck! When you are finished I you might want lots of > >>> money for > >>> your non-opensource SS7 software too! :) > >>> > >> > >> I am not a greedy person but of course I wouldn't mind lots of > >> money (That > >> is why I am in business). Asterisk has helped us a ton and at > >> very little > >> cost. We might be able to give back depending on what it will end up > >> costing. There is always a consulting / support income > >> possibility even if > >> it is open sourced. (I don't want to talk like it is done before > >> I even > >> start though) > >> > >> > >> > >> _______________________________________________ > >> Asterisk-SS7 mailing list > >> Asterisk-SS7@xxxxxxxxxxxxxxxx > >> http://lists.digium.com/mailman/listinfo/asterisk-ss7 > >> > >> > > > > > > ---------------------------------------------------------------- > > This message was sent using IMP, the Internet Messaging Program. > > _______________________________________________ > > Asterisk-SS7 mailing list > > Asterisk-SS7@xxxxxxxxxxxxxxxx > > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > > > > -- > Matthew S. Crocker > Vice President > Crocker Communications, Inc. > Internet Division > PO BOX 710 > Greenfield, MA 01302-0710 > http://www.crocker.com > > _______________________________________________ > Asterisk-SS7 mailing list > Asterisk-SS7@xxxxxxxxxxxxxxxx > http://lists.digium.com/mailman/listinfo/asterisk-ss7 -- Domjan Attila <adomjan@xxxxxxxx>
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