I am using libss7 on an ansi ss7 interconnect. I have two T1s on a Digium TE410P card. On many of the calls I have to hit a key before hearing any audio. Any suggestions welcome. Happens about 20 % of the calls. System.conf span=1,1,0,esf,b8zs span=2,0,0,esf,b8zs span=3,0,0,esf,b8zs span=4,2,0,esf,b8zs mtp2=1 bchan=2-24 mtp2=73 bchan=74-96 chan_dahdi.conf ; All settings apply to linkset 1 linkset = 1 pointcode = x-x-x adjpointcode = x-x-x defaultdpc = x-x-x slc=0 sigchan = 1 cicbeginswith = 102 channel = 2-24 slc=1 sigchan = 73 cicbeginswith = 126 channel = 74-96 Thanks, Dave George 561 674 3838