[asterisk-ss7] SS7-ISUP

[Marcelo Telco]

Dear friends mailing list,
I have a problem using SS7 with a telecommunications carrier. The E1 trunk is setting, making calls, but he did not receive. It shows the message number does not exist.
He only receives call between extensions. He does not receive calls external and it features message number missing or busy signal.
Apparently all channels are mapped: CIC 1-15,17-31, signaling on channel 16. Everything looks right, but receives no external call. Only make call. What can it be?
Below are my settings.
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System.conf
# Span 1: WCT1/0 "Digium Wildcard TE110P T1/E1 Card 0" (MASTER) span=1,1,0,ccs,hdb3# termtype: tebchan=1-15dchan=16bchan=17-31echocanceller=mg2,1-15,17-31## Global data#loadzone	= brdefaultzone	= br#
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chan_dahdi.conf; [trunkgroups]
[channels]language=pt_BRsignalling=ss7context=from-ss7ss7type=ituss7_called_nai=dynamicss7_calling_nai=nationalss7_internationalprefix=00ss7_nationalprefix=0ss7_subscriberprefix=3555ss7_unknownprefix=internationalprefix=00nationalprefix=0localprefix=223555privateprefix=223555unknownprefix=internationalprefix=+ nationalprefix=+55localprefix=+55223555privateprefix=+55623555unknownprefix=usecallerid=yeshidecallerid=nocallwaiting=yesusecallingpres=yescallwaitingcallerid=yesthreewaycalling=yestransfer=yescanpark=yescancallforward=yescallreturn=yesechocancel=yesechocancelwhenbridged=nomusiconhold=defaultcallerid=asreceivedrelaxdtmf=yesfaxdetect=incomingrxgain=0.0txgain=0.0group=1callgroup=1pickupgroup=1
linkset=1pointcode=8888adjpointcode=7777defaultdpc=7777networkindicator=national
;First E1sigchan=16cicbeginswith=1channel=1-15cicbeginswith=17channel=17-31mtp2=16
;Uncomment these lines if you have problems with the disconection of your analog linesbusydetect=yesbusycount=5
immediate=no
#include dahdi-channels.conf#include chan_dahdi_additional.conf;
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<<<< dahdi-channels.conf >>>>;; Span 1: WCT1/0 "Digium Wildcard TE110P T1/E1 Card 0" (MASTER) group=0,11context=from-ss7switchtype = euroisdnsignalling = ss7channel => 1-15,17-31context = defaultgroup = 63;
 		 	   		  
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