On Tue, 17 Feb 2009, Andrew Joakimsen wrote:
>>> >>> Most alarm systems around here use bursts of dtmf - not an actual >>> modem to communicate with alarm central. >>> >>> Yes I have seen these have many issues with voip in the path. >>> >> >> You mean they communicate with an IVR? Seems like that could be made >> solid with the right DTMF options enabled on the ATA. >> >> FWIW that makes a lot more sense than a modem connection. >> > > No, it's not an IVR. It's a protocol called ContactID. > Ahh. I just read a PDF on the protocol. It may as well be an IVR - it is all standard DTMF with normal DTMF timing between digits. Where does VoIP introduce a problem? Seems like this should work well. j _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
