[asterisk-users] DAHDI: Inbound BRI call, DDI not presented

[Tzafrir Cohen]

On Mon, Jun 21, 2010 at 09:08:02AM -0700, Scott Stingel wrote:
> Hello-
> 
> I have a system with one D410P and one B200P (both OpenVox).  All is 
> well with the D410P, inbound and outbound, and I can initiate calls on 
> the B200P  BRI span, but there may be something wrong with my inbound 
> BRI setup:  there is no indication of an inbound call when I dial in to 
> it from the PSTN.
> 
> When I run "pri intense debug" and make a call to the BRI span, I can 
> see a message containing the DDI that I'm dialing, in this case 336027 
> (BT supplies only the last 6 digits of a delivered number).  See debug 
> output below...

Is there anything you see in the dialplan trace itself?

Also, 'intense debug' shows a lot of noise of ISDN layer 2 (Q.921). But
that is normally not interesting. Do you see anything on a simple 'pri
debug span 1' (only layer 3 debug)?

> 
> Have I neglected to set up some needed parameter?  This all worked on 
> older boards when using bristuff, but now I want to use dahdi.   My 
> client is in the UK, connected to BT, and I have specified "euroisdn" as 
> the switch type.
> 
> many thanks
> 
> ---------------------------------------------------------------------------------------------
> (snippet during inbound call to "336027")
> 
> < Supervisory frame:
> < SAPI: 00  C/R: 0 EA: 0
> <  TEI: 000        EA: 1
> < Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
> < N(R): 008 P/F: 1
> < 0 bytes of data
> -- ACKing all packets from 8 to (but not including) 8
> -- Stopping T200 timer
> -- Starting T203 timer

Shouldn't an RR be sent back?

> Handling message for SAPI/TEI=0/0
> TEI: 0 State 7
> V(S) 8 V(A) 8 V(R) 8
> K 1, RC 0, l3initiated 0, reject_except 0 ack_pend 0
> T200 0, N200 3, T203 1
> 
> < [ 02 ff 03 08 01 01 05 a1 04 03 80 90 a3 18 01 89 1e 02 84 83 6c 02 21 
> a3 70 07 81 33 33 36 30 32 37 ]
> 
> < Unnumbered frame:
> < SAPI: 00  C/R: 1 EA: 0
> <  TEI: 127        EA: 1
> <   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> < 30 bytes of data
> Handling message for SAPI/TEI=0/127
> TEI: 0 State 7
> V(S) 8 V(A) 8 V(R) 8
> K 1, RC 0, l3initiated 0, reject_except 0 ack_pend 0
> T200 0, N200 3, T203 1
> 
> < [ 02 ff 03 08 01 01 05 a1 04 03 80 90 a3 18 01 89 1e 02 84 83 6c 02 21 
> a3 70 07 81 33 33 36 30 32 37 ]
> 
> < Unnumbered frame:
> < SAPI: 00  C/R: 1 EA: 0
> <  TEI: 127        EA: 1
> <   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> < 30 bytes of data
> Handling message for SAPI/TEI=0/127
> ---------------------------------------------------------------------------------------------

-- 
               Tzafrir Cohen
icq#16849755              jabber:tzafrir.cohen at xorcom.com
+972-50-7952406           mailto:tzafrir.cohen at xorcom.com
http://www.xorcom.com  iax:guest at local.xorcom.com/tzafrir