Hi, Heres my whole chan_dahdi.conf [channels] #include /etc/asterisk/dahdi-channels.conf usecallerid=yes callwaiting=yes restrictcid=yes usecallingpres=yes callwaitingcallerid=yes threewaycalling=yes transfer=yes canpark=yes cancallforward=yes callreturn=yes echocancel=yes echocancelwhenbridged=yes group=1 callgroup=1 pickupgroup=1 ss7type = itu ss7_called_nai=national ss7_calling_nai=national ss7_explictacm=yes linkset = 1 pointcode = 2222 adjpointcode = 4440 defaultdpc = 4440 cicbeginswith = 1 channel = 280-294 cicbeginswith = 17 channel = 296-310 networkindicator=national sigchan = 295 On 4/26/12, Vishnu Kumar D R <vishnu.kumar at mahiti.org> wrote: > Hi, > > I am configuring the ss7 with dahdi 2.6.0 and asterisk 1.8.11 > (libss7-1.0.2) > I am using a Digium TE220 for this. > But i am getting error like: > [Apr 26 14:34:19] ERROR[23230]: chan_dahdi.c:12341 mkintf: Unable to find > linkset -1 > [Apr 26 14:34:19] ERROR[23230]: chan_dahdi.c:16779 build_channels: Unable > to register channel '280-294' > > Heres my config. > Vishnu