[asterisk-r2] Problem dialing a particular number...

[Carlos Chavez]

On Sat, 6 Mar 2010 00:22:23 -0600, Carlos Chavez wrote
> I have a customer using Asterisk 1.4.29.1 (recently upgraded), OpenR2
> 
> 1.2.0, Dahdi 2.2.1 and FreePbx 2.7 on a CentOS 5.4 machine.  About a 
> week or so ago they started complaining that they could not dial a 
> specific number. They always get this error:
> 
> Chan 5 - Far end disconnected. Reason: Busy Number
> MFC/R2 call disconnected on chan 5
>     -- Hungup 'DAHDI/5-1'
> 
>      If you dial from a cell phone you can make the call.  They 
> complained to their carrier (Axtel) and they said that we are 
> sending the wrong signal for that number.  Unfortunately I did not 
> speak to the technician so I do not know what signal they are 
> referring to.  This system has been in use for over two years and we 
> never had this problem before.  Last year we changed to OpenR2 from 
> Unicall.  Here is the call file for that attempt:
> 
> http://www.pastebin.org/102109
> 
>      Any ideas what the problem could be?  Any more debug info I can 
> get out of Asterisk that might be useful?  I wonder why only that 
> number so far has that problem?
> 

I just got an email from my customer with the information on the error that
Axtel mentioned.  Here is the info:

http://www.pastebin.org/102114

Relevant part of chan_dahdi.conf
signalling = mfcr2
mfcr2_variant=mx
mfcr2_category=national_subscriber
mfcr2_get_ani_first=yes
mfcr2_max_ani=10
mfcr2_max_dnis=4
mfcr2_logdir=span1
mfcr2_logging=all
mfcr2_call_files=no

--
Carlos Chavez
Director de Tecnología
Telecomunicaciones Abiertas de México S.A. de C.V.
Tel: +52-55-91169161 Ext 2001