asterisk users - Nov 2004 - chan_capi on top of mISDN with HFC-8s

Hi,

I'm currently setting up an asterisk system with a Junghanns.net OctiBRI
card (CologneChip HFC-8s) and an ISDN telephone connected to it.
To avoid "bri-stuff" and patching of zaptel drivers I put mISDN into
the kernel (v2.6.4.52 SuSE 9.1) and chan_capi into asterisk (v1.0.1).
I manually created /dev/mISDN (mknod /dev/mISDN 46 0).
The kernel modules are loading successfully:
   modprobe capi
   modprobe mISDN_core
   modprobe mISDN_l1
   modprobe mISDN_l2
   modprobe l3udss1
   modprobe mISDN_capi
   modprobe mISDN_isac
   modprobe hfcmulti type=8 \
                     protocol=0x12,0x2,0x2,0x2,0x2,0x2,0x2,0x12 \
                     layermask=0x3,0x1f,0x1f,0x1f,0x1f,0x1f,0x1f,0x3
The card is configured to have 2 NT interfaces (#1 and #8) and 6 TEs.
In chan_capi's capi.conf I inserted 
   msn=2041
   incomingmsn=*
   controller=1   ;verified
   context=capi
   devices=2

The TE interfaces just work fine on an external line, but I can't get the
NTs to work. The telephone tells that there's no proper ISDN connection, so
I assume that I might have misconfigured the (not too well documented) layermask
parameter.

Maybe some one has a suggestion on that.

Greetings from Germany
Tobias
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