[asterisk-users] MFC/R2 detected as ISDN PRI

Miguel Molina mmolina at millenium.com.co
Wed Nov 10 09:51:25 CST 2010


El 10/11/10 10:31, Martin Spinassi escribió:
> On Wed, 2010-11-10 at 17:10 +0200, Tzafrir Cohen wrote:
>> On Wed, Nov 10, 2010 at 11:42:18AM -0300, Martin Spinassi wrote:
>>> Hi list,
>>>
>>> I'm trying to setup an asterisk 1.8.0 with MFC/R2, but I'm having these
>>> error messages loading chan_dahdi:
>>>
>>>> module load chan_dahdi.so
>>> ERROR[9241]: chan_dahdi.c:11848 mkintf: Signalling requested on channel
>>> 1 is MFC/R2 but line is in ISDN PRI signalling
>> That is: "You requested [in chan_dahdi.conf] MFC/R2 signalling, but the
>> channel has [applied from /etc/dahdi/system.conf] PRI signalling.
>>
>> You should probably have in /etc/dahdi/system.conf something along the
>> lines of:
>>
>>    # Not sure about crc4
>>    span=1,1,0,cas,hdb3,crc4
>>    cas=1-15,17-31,1101
>>    dchan=16
>>
>>    # also be sure to set echocan, tonezone, and such
>>
>
> Thank you so much Tzafrir for your response.
>
> After reading your post, it gets a bit more clearer, but can't figure
> out how to solve it.
>
> This is my /etc/dahdi/system.con
>
> span = 1,1,0,ccs,hdb3
> bchan = 1-15,17-31
> dchan = 16
> echocanceller = mg2,1-240
> loadzone = ar
> defaultzone = ar
>
> And this my /etc/asterisk/chan_dahdi.conf
>
> [channels]
> echocanceller=yes
> cancallforward=yes
> echocancelwhenbridged=yes
> context=entrantes-pstn
> callgroup=1
> pickupgroup=1
> signalling=mfcr2
> mfcr2_variant=ar
> mfcr2_max_ani=10
> mfcr2_max_dnis=14
> mfcr2_category=national_subscriber
> mfcr2_logdir=span1
> mfcr2_call_files=yes
> mfcr2_logging=all
> channel =>  1-15
> channel =>  17-31
>
> Does they make sense to you?  I'm kind of messed up after review them
> hundreds of times in 48 hours.
>
> Cheers,
>
> Martin
>
>
There you are... your system.conf has:

span = 1,1,0,ccs,hdb3

MFC/R2 uses CAS signalling, not CCS like PRI links, so you can try what 
Tzafrir suggested for your DAHDI system.conf file. I found a similar 
MFC/R2 configuration in this post:

http://lists.digium.com/pipermail/asterisk-r2/2010-April/001760.html

Hope it helps.

Cheers,

-- 
Ing. Miguel Molina
Grupo de Tecnología
Millenium Phone Center




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