Hi All. We are using Sangoma A104u Quad Card for SS7. Incoming call is working fine. While in outbound call is working fine but not able to hear voice on the channel. Below is the config files chan_dahdi.conf [channels] ;switchtype=euroisdn usecallerid=yes callwaiting=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 signalling = ss7 ss7type = itu ss7_called_nai=dynamic ss7_calling_nai=dynamic networkindicator=national ; port 1 linkset = 1 group = 1 signalling=ss7 ss7type = itu context = dialout pointcode = 8002 adjpointcode = 9146 defaultdpc = 9146 networkindicator = national sigchan = 16 cicbeginswith = 1 channel => 1-15 cicbeginswith = 17 channel => 17-31 /etc/dahdi/system.conf loadzone=us defaultzone=us #Sangoma A104 port 1 [slot:1 bus:12 span:1] <wanpipe1> span=1,0,0,ccs,hdb3 bchan=1-15,17-31 echocanceller=mg2,1-15,17-31 #hardhdlc=16 dchan=16 /etc/wanpipe/wanpipe1.conf [devices] wanpipe1 = WAN_AFT_TE1, Comment [interfaces] w1g1 = wanpipe1, , TDM_VOICE, Comment [wanpipe1] CARD_TYPE = AFT S514CPU = A CommPort = PRI AUTO_PCISLOT = NO PCISLOT = 1 PCIBUS = 12 FE_MEDIA = E1 FE_LCODE = HDB3 FE_FRAME = NCRC4 FE_LINE = 1 TE_CLOCK = NORMAL TE_REF_CLOCK = 0 TE_SIG_MODE = CCS TE_HIGHIMPEDANCE = NO LBO = 120OH FE_TXTRISTATE = NO MTU = 1500 UDPPORT = 9000 TTL = 255 IGNORE_FRONT_END = NO TDMV_SPAN = 1 TDMV_DCHAN = 0 TDMV_HW_DTMF = NO TDMV_HW_FAX_DETECT = NO [w1g1] ACTIVE_CH = ALL TDMV_HWEC = NO
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