[Asterisk-Users] chan_capi-cm-0.6 and incoming calls problem

[Esteban Guana-Jarrin]

I have a problem receving calls via the ISDN line, using the followin 
components

Asterisk 1.0.9 with asterisk at home
chan_capi-cm-0.6
AVM Fritz card
datalink protocol = point to multimode

I can make calls out with no problems so the issue is only incoming calls.

When I make the call from an external line to the ISDN line connected to 
asterisk, I get a busy signal after about 5 seconds. I have read previous 
posts from the list and I made sure I have the settings in my capi.conf and 
extensions.conf according to all the suggestions and as shown below,

Capi.conf:

[general]
nationalprefix=0
internationalprefix=00
rxgain=0.8
txgain=0.8
ulaw=yes        ;set this, if you live in u-law world instead of a-law

[ISDN1]          ;this example interface gets name 'ISDN1' and may be any
                     ;name not starting with 'g' or 'contr'.

isdnmode=msn     ;'MSN' (point-to-multipoint) or 'DID' (direct inward dial)
                          ;when using NT-mode, ptp should be set in any case
msn=0299546476
incomingmsn=*    ;allow incoming calls to this list of MSNs/DIDs, * == any
controller=1     ;capi controller number to use
group=2          ;dialout group
context=capi-in  ;context for incoming calls
immediate=yes   ;immediate start of pbx with extension 's' if no digits were
                 ;received on incoming call (no destination number yet)
devices=2        ;number of concurrent calls on this controller
                 ;(2 makes sense for single BRI, 30 for PRI)

In Extensions.conf

[capi-in]
exten => s,1,Dial(Sip/123,20)
exten => s,2,Voicemail(123)
exten => s,3,Hangup

Also the Capi debug output with verbosity 15, is shown below. I can see that 
after the channel identification message and then the sending complete 
message, a DISCONNECT_IND comes straight after and it does not provide any 
reasons...

CAPI Debugging Enabled
CONNECT_IND ID=001 #0x03a6 LEN=0037
  Controller/PLCI/NCCI            = 0x101
  CIPValue                        = 0x10
  CalledPartyNumber               = <c1>99546476
  CallingPartyNumber              = default
  CalledPartySubaddress           = default
  CallingPartySubaddress          = default
  BC                              = <80 90 a3>
  LLC                             = default
  HLC                             = <91 81>
  AdditionalInfo                  = default

    -- CONNECT_IND 
(PLCI=0x101,DID=99546476,CID=(null),CIP=0x10,CONTROLLER=0x1)
       > ISDN1: msn='*' DNID='99546476' MSN
  == ISDN1: Incoming call '' -> '99546476'
INFO_IND ID=001 #0x03a7 LEN=0024
  Controller/PLCI/NCCI            = 0x101
  InfoNumber                      = 0x70
  InfoElement                     = <c1>99546476

INFO_RESP ID=001 #0x03a7 LEN=0012
  Controller/PLCI/NCCI            = 0x101

    -- ISDN1: info element CALLED PARTY NUMBER
       > ISDN1: INFO_IND DID digits not used in this state.
INFO_IND ID=001 #0x03a8 LEN=0016
  Controller/PLCI/NCCI            = 0x101
  InfoNumber                      = 0x18
  InfoElement                     = <89>

INFO_RESP ID=001 #0x03a8 LEN=0012
  Controller/PLCI/NCCI            = 0x101

    -- ISDN1: info element CHANNEL IDENTIFICATION 89
INFO_IND ID=001 #0x03a9 LEN=0016
  Controller/PLCI/NCCI            = 0x101
  InfoNumber                      = 0xa1
  InfoElement                     = <a1>

INFO_RESP ID=001 #0x03a9 LEN=0012
  Controller/PLCI/NCCI            = 0x101

    -- ISDN1: info element Sending Complete
CONNECT_RESP ID=001 #0x03a9 LEN=0032
  Controller/PLCI/NCCI            = 0x101
  Reject                          = 0x1
  BProtocol
   B1protocol                     = 0x0
   B2protocol                     = 0x0
   B3protocol                     = 0x0
   B1configuration                = default
   B2configuration                = default
   B3configuration                = default
  ConnectedNumber                 = default
  ConnectedSubaddress             = default
  LLC                             = default
  AdditionalInfo
   BChannelinformation            = default
   Keypadfacility                 = default
   Useruserdata                   = default
   Facilitydataarray              = default

DISCONNECT_IND ID=001 #0x03aa LEN=0014
  Controller/PLCI/NCCI            = 0x101
  Reason                          = 0x0

DISCONNECT_RESP ID=001 #0x03aa LEN=0012
  Controller/PLCI/NCCI            = 0x101

  == ISDN1: CAPI Hangingup
  == ISDN1: Interface cleanup PLCI=0x101

I will apreciate your assistance

Esteban

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