> > Sometimes I receive a Red Alarm in my E1 trunk (E&M immediate > > start > > signaling), and just few seconds after this, all alarms are cleared. > > > > This problem ocurrs many times/day, and if are calls in progress, > > these calls just hang-up. > > Could it be an asterisk bug? Or may I contact the PSTN provider? > > I'd suggest your telco doing loopup and checking the circuit. >
You also need to verify that you are using loop timing and not internal timing. (Your telco will provide timing) in zaptel.conf you should have something like span=1,1,0,ccs,hdb3,crc4 where the second 1 says to use the timing from the incoming E1 line. Don Pobanz _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users