Rana Dhekial wrote: > Hi > > I have the following requiremnet of interconnecting GSM BSC with a > legacy TDM MSC. > > > Mobile phones<---AIR---->BTS/BSC<-----A/IP----->Asterisk with TE > 207P<---SS7/TDM/E1----> MSC. > > Normally the BSC connects to MSC which supports A over IP. > > As far as my knowledge goes A over IP link between BSC and MSC uses > SIGTRAN. So the job of Asterisk will be to convert SIGTRAN to SS7 over > TDM. Has anyone used Asterisk in this fashion ? Sorry, this is currently not possible, since Asterisk does not speak sigtran, only traditional SS7 at this time :-( Matthew Fredrickson Digium, Inc.