On Tue, 22 May 2007, Sean M. Pappalardo said something to this effect:
Sure, it's called a DID trunk. It's basically just a regular analog phone line but the CO switch sends down the digits dialed in one of a few ways: Dial pulse (DP), Multi-freq (MF), Dual-tone multi-frequency (DTMF). They are usually inbound-only, but some CO's can add outbound service too if needed.
Sean, I am curious--what do these look like these days? Are they ordinary T1s? CAS/robbed-bit? Do these just use the signaling portions associated with each channel to deliver the winks, and do the channels correspond to the appropriate timeslots on the voice trunk? How does this work? -- Alex Balashov <[EMAIL PROTECTED]> _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
