Stephen R. Darragh wrote: > Mats Karlsson wrote: > >> Jeff Gehlbach wrote: >> >> >>> I can't comment on E1, but one slight correction on PRI channelization >>> terminology: the "D" designation of the signalling channel stands for >>> "delta", not "data". The same applies for the 16Kbps "D" channel used >>> in BRI. >>> >>> I just joined the list, so I must have missed the balance of your >>> writing. I would love to peruse, is it in CVS? >>> >>> -jeff >>> >> >> >> Gene just a minor correction: >> E1 is 32 channels not 31 as mentioned in the doc. >> >> And Jeff, the D channel is data and B is for bearer in the ISDN language. >> >> The D channel is used for signaling and data transfer like text messages >> between ISDN devices. >> >> So the doc is correct on this point. >> >> > > No, Jeff is correct - the D channel is the Delta channel. > > You are, however, correct that there are 32 channels (or, more > accurately, timeslots) for E1. Typically TS0 is used for framing and > synchronization, and TS16 is used for signalling. >
My apologies Jeff, delta it is. /Mats _______________________________________________ Asterisk-Doc mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-doc
