I view SS7 as super SIP technology utilizing PRI type signaling; but = that=92s just shows the limited knowledge I have.=20 I don=92t know if I should be looking down the path of upgrading to = become the "peer entity" or a better "line-side customer" Thanks, --E -----Original Message----- From: asterisk-ss7-bounces@xxxxxxxxxxxxxxxx = [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Michael = Mueller Sent: Thursday, November 10, 2011 11:20 AM To: asterisk-ss7 at lists.digium.com Subject: Re: why ss7 use ss7 controlled trunks to the PSTN when PRI no longer makes sense for technical, policy, or economic reasons when using F link SS7 linksets to control IMT, they function very similar to PRI trunks; when using A link linksets connected to STP, then you can have a single linkset or combined linkset connection and grow by connecting IMT to other service providers without having to install new ss7 links very often policy will dictate needing to interconnect using ss7 if you are to be considered a peer entity in the network; whereas is you connect via PRI, you are a line-side customer (not a peer) of your service provider PRI and SS7 messages and parms map very closely; level 2 and 3 transmission and link control differ between the two On Thu, Nov 10, 2011 at 11:02 AM, eherr <email.eherr9633 at gmail.com> = wrote: > Hey list, > > > > I want to learn more about asterisk + ss7. > > > > However, I am not at the stage of configuration, compiling or building > asterisk with ss7 yet. > > > > I am more interested in why to use asterisk with ss7 support and how = it is > used, if you follow the distinction. > > > > I currently have a multitenant Asterisk 1.4.26 with 2 providers. One = is a > SIP provider with two way trunks. The other gives us PRIs that goes = into a > vanilla box that converts PRI to SIP and then SIP trunks it to our > multitenant asterisk box. > > > > Thanks, > > --Eric > > > > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > =A0 http://lists.digium.com/mailman/listinfo/asterisk-ss7 > -- _____________________________________________________________________ -- 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