Hi, you are missing some definitions (networkindicator, ss7_called_nai, ss7_calling_nai, ss7_*prefix) for the linksets and also to use mtp3/isup timers (highly recommended) they should be explicitly defined On 2016-03-17 10:15, Mehdi Shirazi wrote: > Hi > This is my system.conf : > dynamic=loc,1:0,31,0 > bchan=1-15,17-31 > dchan=16 > echocanceller=mg2,1-15,17-31 > > dynamic=loc,1:1,31,0 > bchan=32-46,48-62 > dchan=47 > echocanceller=mg2,32-46,48-62 > > and this is my chan_dahdi.conf: > [channels] > signalling = ss7 > ss7type = itu > > group = 1 > linkset = 1 > context = one > slc=0 > pointcode = 1111 > adjpointcode = 2222 > defaultdpc = 2222 > cicbeginswith = 1 > channel=1-15 > sigchan = 16 > > group=2 > linkset = 2 > context = two > slc=0 ; same slc=0 because of loop back > pointcode = 2222 > adjpointcode=1111 > defaultdpc=1111 > cicbeginswitch=1 > channel=32-46 > sigchan = 47 > > please tell me what is wrong in this configuration? > > Regards