chan_dahdi not loading, device or ressource is busy...

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Hi all,

i am trying to setup asterisk with chan_dahdi ss7 support on the latest
trixbox...

I do have no digium cards in the box - using sangoma cards  - the wanpipe
modules are already loaded and working...

When i try to load chan_dahdi.so - then the module does not get loaded - and
i will get an error message "chan_dahdi.c: Unable to open SS7 sigchan 16
(Device or resource busy)"


i do have the following configs

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         = 4
PCIBUS          = 6
FE_MEDIA        = E1
FE_LCODE        = HDB3
FE_FRAME        = CRC4
FE_LINE         = 1
TE_CLOCK        = NORMAL
TE_REF_CLOCK    = 0
TE_SIG_MODE     = CCS
TE_HIGHIMPEDANCE        = NO
TE_RX_SLEVEL    = 430
LBO             = 120OH
FE_TXTRISTATE   = NO
MTU             = 1500
UDPPORT         = 9000
TTL             = 255
IGNORE_FRONT_END = NO
TDMV_SPAN       = 1
TDMV_DCHAN      = 16
TDMV_HW_DTMF    = NO
TDMV_HW_FAX_DETECT = NO

[w1g1]
ACTIVE_CH       = ALL
TDMV_HWEC       = NO
MTU             = 8


dahdi/system.conf

span=1,1,0,ccs,hdb3
mtp2=16
bchan=1-15
bchan=17-31

chan_dahdi.conf


[channels]
signalling = ss7
ss7type = itu
linkset = 1
pointcode = 9100
adjpointcode = 993
defaultdpc = 993
sigchan = 16
cicbeginswith = 1
ss7_called_nai=dynamic
ss7_calling_nai=dynamic
ss7_internationalprefix = 00
ss7_nationalprefix = 0
ss7_subscriberprefix =
ss7_unknownprefix =
networkindicator=international
channel=1-15
channel=17-31


I have already tried all possible combinations of not specifiying dchan on
wanpipe - only later, and so on - no luck with it...

Anyone here who knows what could get wrong ?

best regards,
Wolfgang
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