As a newbie myself I was wondering if someone could tell me the difference between the pointcode the adjacent point code and the defaultdpc. I am trying to obtain these infos from my carrier but he is only giving a single point code. On Wed, 13 Aug 2008 10:49:26 -0500, Matthew Fredrickson wrote > Sriram wrote: > > Hi > > Thnks for the reply...So say if i want 120 channels over ss7 > > signalling...will the telco give me 4 E1s and 1 separate E1 for ss7 > > signalling or will the ss7 be in one of the 4 E1s itself..? > > Sometimes. It depends on what you negotiate with the telco you're > interconnecting with. Some of them like to waste an E1 on a single > signalling link though. And even stupider ones waste a single E1 on > two signalling links. It seems ridiculous to mandate redundant > signalling links and have them running over the same E1 (Don't ask, > I had somebody come to me having to deal with that). > > But in any case, you can negotiate with them how you would like to > set it up typically. > > > Do i have to just plug in those 4 E1s directly into the TE420P and > > install libss7 ? thats it ? > > Yes :-) And configure it. > > > Also please tell me what are the advantages of ss7 over PRI in terms of > > 1.call handling capacity 2. connectivity 3. reliability .. > > If you need answers to that question, you probably need to research > more into what SS7 is. > > Typically, you have a more reliable link since you can have > redundant signalling channels. The protocol also supports a lot > more bearers per signalling link than you can do in PRI (or even > NFAS PRI). > > Matthew Fredrickson > Digium, Inc. > > _______________________________________________ > --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 -- Christopher Srinivasa VoIP Researcher and Developer / Chercheur et Developpeur VoIP christopher at jvminfo.com JVM INFORMATIQUE CANADA INC. 9655-E rue Ignace Brossard, Quebec, Canada J4Y 2P3 Tel: 514-951-2981 x2034 Alt. Tel: 450-444-1884 x2034 Fax: 450-444-1884