[asterisk-r2] How to configuration for Polarity Reversal for DTMF R2

[Piyawit Khumkrong]

Thanks all experts this problem has been solved by NEC technician

his false about data buffering can't send data to the billing systems

thanks all again no any problem on R2 asterisk side.

On Mon, Oct 10, 2011 at 6:46 AM, Oscar Carriles <ocarriles at eolos.la> wrote:

>  Generic MFCR2 telco or carrier specs sometimes lacks a complete protocol
> specification.
> Register signalling maybe R2 (MF or DTMF) but Line signalling may not
> allways be digital R2 .
> While line signalling maybe offerred thru CAS state supervision (AB bits
> pattern changes
> or just A bit simulating open/close loop circuit or an e&m variant like
> traditional analog lines).
> Ensure you have MFCR2 Register & Line signalling digital E1 in order to be
> able to use
> OpenR2.
>
>
> Oscar Carriles
> Eolix Technologies
> ocarriles at eolos.la
>
>
>
>
> Piyawit Khumkrong escribió:
>
>> Dear , all expert
>> I have a problem with R2(DTMF) connection the solution is 1 port to Telco
>> 1 port to NEC
>> so the problem is NEC can't detect answered call to billing system and
>> can't transfer the call from operators
>> then NEC engineer said "that is the problem from polarity reversal" can
>> anyone tell me
>> how to configuration for polarity reversal in asterisk with Sangoma A102 ?
>>
>> --
>> Best regards
>>
>> ปิยวิทย์ คุ้มครอง (เอส)
>> Piyawit Khumkrong (S)
>> Technical Department
>> AISTelebiz Co.,Ltd
>> Tel.(+66)0-2946-1490 Ext.905
>> Email:piyawit at aistelebiz.com <mailto:piyawit at aistelebiz.com**>
>>
>> ------------------------------**------------------------------**
>> ------------
>>
>> --
>> ______________________________**______________________________**_________
>> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>>
>> asterisk-r2 mailing list
>> To UNSUBSCRIBE or update options visit:
>>   http://lists.digium.com/**mailman/listinfo/asterisk-r2<http://lists.digium.com/mailman/listinfo/asterisk-r2>
>>
>
> --
> ______________________________**______________________________**_________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> asterisk-r2 mailing list
> To UNSUBSCRIBE or update options visit:
>  http://lists.digium.com/**mailman/listinfo/asterisk-r2<http://lists.digium.com/mailman/listinfo/asterisk-r2>
>



-- 
Best regards

ปิยวิทย์ คุ้มครอง (เอส)
Piyawit Khumkrong (S)
Technical Department
AISTelebiz Co.,Ltd
Tel.(+66)0-2946-1490 Ext.905
Email:piyawit at aistelebiz.com <piyawit at aistelebiz.com>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-r2/attachments/20111011/7ed08339/attachment.htm>