Hi All I have to setup an ss7 link with the telco but they are not seeing any signal from my side. Behind the digium card the light is GREEN however. Is there anything I'm missing here ? Here is are my configuration. Thanks a lot. *dahdi_hardware* pci:0000:06:01.0 wct4xxp+ 10ee:0314 Wildcard TE410P/TE405P (1st Gen) pci:0000:08:03.0 wct4xxp+ 10ee:0314 Wildcard TE410P/TE405P (1st Gen) pci:0000:08:04.0 wct4xxp+ 10ee:0314 Wildcard TE410P/TE405P (1st Gen) *vi /etc/dahdi/system.conf* span=1,1,0,esf,b8zs span=2,1,0,esf,b8zs span=3,1,0,esf,b8zs span=4,1,0,esf,b8zs span=5,1,0,esf,b8zs span=6,1,0,esf,b8zs span=7,1,0,esf,b8zs span=8,1,0,esf,b8zs span=9,1,0,esf,b8zs span=10,1,0,esf,b8zs span=11,1,0,esf,b8zs span=12,1,0,esf,b8zs bchan = 1-23,25-47,49-71,73-95, 97-119,121-143,145-167,169-191,193-215,217-239,241-263,265-287 #dchan = 24,48,72,96,120,144,168,192, 216,240,264,288 mtp2 = 24,48,72,96, 120,144,168,192, 216,240,264,288 *vi /etc/asterisk/chan_dahdi.conf * [trunkgroups] [channels] language=en context=voxtel switchtype=national usecallerid=yes callwaiting=yes usecallingpres=yes callwaitingcallerid=yes threewaycalling=yes transfer=yes canpark=yes cancallforward=yes callreturn=yes echocancel=yes echocancelwhenbridged=yes rxgain=2.0 txgain=3.0 signalling = ss7 ss7type = ansi ss7_called_nai=dynamic ss7_calling_nai=dynamic linkset = 1 pointcode = xxx-xxx-xxx adjpointcode = yyy-yyy-yyy defaultdpc = yyy-yyy-yyy cicbeginswith = 1 networkindicator=international channel = 1-23,25-47,49-71,73-95, 97-119,121-143,145-167,169-191,193-215,217-239,241-263,265-287 sigchan = 24,48,72,96,120,144,168,192,216,240,264,288 **CLI> ss7 show linkset 1* SS7 linkset 1 status: Down