[asterisk-r2] Changing MFC/R2 Variables in chan_dahdi.conf

[Oscar Carriles]

Hi Chris,

correct vars defines for ANI/DNIS lengths
is

mfcr2_max_ani
mfcr2_max_dnis

Oscar

On 07/27/2011 07:37 PM, Chris Twombly wrote:
> Hello all,
>
> I'm new to libopenr2 and I'm currently having a problem where changes 
> made to the variable mfcr2_max_dnis inside chan_dahdi.conf are not 
> taking effect.  The length of the DNIS that I would like Asterisk to 
> receive for an incoming call from the PSTN is 7 digits.  I specify the 
> value mfcr2_max_dnis=7 within chan_dahdi.conf and then restart 
> Asterisk, but this is unsuccessful.  The problem is the default value 
> of 4 is used for mfcr2_max_dnis so Asterisk stops receiving DNIS once 
> it hits the 4th digit.  I have been able to get around this by 
> modifying the dialing plan, but I wanted to know where in code this 
> variable is declared so that I could try to modify it there?  Anyone 
> else had issues with this?
>
> As a second question, I defined the context within chan_dahdi.conf to 
> originally be [incoming], but Asterisk kept looking for context 
> [users], which I did not have defined.  Again, it seems like the 
> context variable was not taking effect either so I was also able to 
> get around this by making an extension called [users] within 
> extensions.conf which worked.  I also set the context variable to 
> users just to be consistent.  Any thoughts on why this is happening? 
>  Just to make it known, my reset procedure for asterisk is as follows:
>
> >core stop gracefully
>  #asterisk stop
>  asterisk -rTvvvv
>
> I am using Asterisk 1.6.2 with libopenr2 1.3.1 and the current DAHDI 
> drivers (can't recall the number off the top of my head) with a Digium 
> TE420 4 Span E1 card.  I appreciate any help and send my thanks in 
> advance!  Below you will find my basic configurations:
>
> *system.conf*
> *
> *
> ### Span 4: TE4/0/4 "T4XXP (PCI) Card 0 Span 4"
> span=4,1,0,cas,hdb3
> cas=94-108:1101
> cas=110-124:1101
> echocanceller=mg2,94-108,110-124
> *
> *
> *
> *
> *chan_dahdi.conf*
> *
> *
> ;;; Span 4: TE4/0/3 "T4XXP (PCI) Card 0 Span 4"
>
> context=users
> signalling=mfcr2
> mfcr2_variant=itu
> mfcr2_category=national_subscriber
> maxani=8
> maxdnis=7
> mfcr2_mfback_timeout=-1
>
> ;call logging parameters
> mfcr2_logdir=span4
> mfcr2_call_files=yes
> mfcr2_logging=all
>
>
> extensions.conf
>
> [users]
> ;test incoming r2 (temporary extension here)
> exten => _888X,1,NoOp(Call Type : Incoming CAS-MFC/R2 from PSTN)
> exten => _888X,n,Dial(SIP/1000)
>
>
>
> Chris Twombly
>
>
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