In Bulgaria you need certification ... :) Domjan Attila wrote: >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 >> >>
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