[asterisk-ss7] inbound call problem

[chamo]

hello ,
i am trying to set-up libss7 with my provider,
my problem is that i can't receive inbound calls, i am getting this
error "Received RLC out and we haven't sent REL"
outbound calls are working, but  not on channel 2

thanks for any help

regards, peter

;;my dialplan
;;for outbound calls
exten => _9.,1,Dial(DAHDI/3/${EXTEN:1})    ;;;this works
exten => _9.,1,Dial(DAHDI/2/${EXTEN:1})    ;;;this not
exten => _9.,n,Hangup

;;;error for channel 2
[May 11 15:10:17] WARNING[26869]: app_dial.c:1489 dial_exec_full: Unable
to create channel of type 'DAHDI' (cause 0 - Unknown)
  == Everyone is busy/congested at this time (1:0/0/1)
   
;;for inbound calls
exten => 0212345678,1,Dial(SIP/0212345678)
exten => 0212345678,n,Hangup

;;;chan_dahdi.conf
;;; signaling is on channel 1
signalling = ss7
ss7type = itu           ; or ansi if you are using an ANSI link
linkset = 1             ; Pick a number for your linkset identifier in
chan_dahdi.conf
pointcode = 55389
adjpointcode = 55880
defaultdpc = 55880
cicbeginswith = 2       ; Number to start counting the CICs from.  So if
DAHDI/1 to
                                 ; DAHDI/15 are CICs 1-15, you would set
this to 1 before you
                        ; declare channel=1-15
channel=2-31            ; Use DAHDI/1-15 and assign them to CICs 1-15
sigchan = 1             ; This is where you declare which DAHDI channel
is your signalling
                        ; channel.  In our case it is DAHDI/16.  You can
add redundant
                      

;;;;;;;dahdi, system.conf
span=1,1,0,ccs,hdb3,crc4
bchan=2-31
echocanceller=mg2,2-31
mtp2=1
# Global data
loadzone        = us
defaultzone     = us


;;;;;debug from ss7

[May 11 14:32:18] DEBUG[25759]: chan_dahdi.c:9999 ss7_linkset: Call on
CIC for unconfigured extension
Len = 16 [ fa d9 0d c5 08 7e 07 2f 02 00 0c 02 00 02 81 90 ]
FSN: 89 FIB 1>
BSN: 122 BIB 1
>[0] MSU
[ fa d9 0d ]
        Network Indicator: 3 Priority: 0 User Part: ISUP (5)
voice-gw[ c5 ]
        OPC 55389 DPC 55880 SLS 2
voice-gw[ 08 7e 07 2f ]
                CIC: 2
                [ 02 00 ]
voice-gw1*CLI>  Message Type: REL
                [ 0c ]
voice-gw1*CLI>  --VARIABLE LENGTH PARMS[1]--
                Cause Indicator:
                    Coding Standard: 0
voice-gw1*CLI>      Location: 1
                    Cause Class: 1
                    Cause Subclass: 0
voice-gw1*CLI>      Cause: Normal call clearing (16)
                    [ 02 81 90 ]

Len = 12 [ d9 fb 09 c5 1d 3c 82 2f 02 00 10 00 ]
FSN: 123 FIB 1
BSN: 89 BIB 1>
<[0] MSU
[ d9 fb 09 ]I>
voice-gwNetwork Indicator: 3 Priority: 0 User Part: ISUP (5)
voice-gw[ c5 ]
voice-gwOPC 55880 DPC 55389 SLS 2
        [ 1d 3c 82 2f ]
voice-gw1*CLI>  CIC: 2
                [ 02 00 ]
voice-gw1*CLI>  Message Type: RLC
                [ 10 ]

[May 11 14:32:18] NOTICE[25759]: chan_dahdi.c:10223 ss7_linkset:
Received RLC out and we haven't sent REL.  Ignoring.