The majority of E911 trunking is CAS MF. I just went through the routine of setting it up.
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Alfred R. Nurnberger > Sent: Saturday, January 17, 2004 2:50 PM > To: [EMAIL PROTECTED] > Subject: RE: [Asterisk-Dev] E911? > > > 911 centers use special lines to connect to the public network either > analog/T1 CAMA trunks or digital PRIs > > I took a quick look at the new chan_zap.c from the CVS. > The implementation seems to be of the analog CAMA trunk kind. > CAMA trunks transmit the ANI (more or less Caller ID) as a > formatted MF tone > string to the 911 equipment. > This way * is capable of being connected directly to a CAMA > trunk into a 911 > center providing ANI information. > Interesting application. > > Alfred. > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Christopher > Arnold > Sent: Saturday, January 17, 2004 10:29 AM > To: [EMAIL PROTECTED] > Subject: Re: [Asterisk-Dev] E911? > > > > > On Sat, 17 Jan 2004, Olle E. Johansson wrote: > > > From the CVS log: > > > > Modified Files: > > chan_zap.c > > Log Message: > > Added functionality for E911 signalling > > > > What is E911 signalling? > > > It stands for "Ehanced 911" i belive it is the protocol for providing > the phones location to emergency services. > > /Chris > _______________________________________________ > Asterisk-Dev mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-dev > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-dev > > _______________________________________________ > Asterisk-Dev mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-dev > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-dev > _______________________________________________ Asterisk-Dev mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-dev To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-dev
