[Asterisk-Users] Brazilian Protocol

[Steve Underwood]

Amaury Jacquot wrote:

> Daniel Bichara wrote:
>
>>
>> Hi Alex,
>>
>>
>> Alex G Robertson wrote:
>>
>>> Hi all,
>>>
>>> I would like to have some information about your TE410p and TE405p
>>> cards compatibility with telephony protocols adopted in Brazil.
>>>
>>> - When in E1 mode, does it support R2 DIGITAL MFC 5C ?
>>
>>
>>
>> You need a R2 converter. R2lib is "under construction".
>>
>
> but ? what is R2 ?

If you don't know, then don't worry. Your life is simpler for it.






Oh, OK. Its a trunk signalling system, based on dual tones (not DTMF - 
other dual tones). It sucks. It makes no sense in the age of digital 
networks. Its heavily used in South America, parts of Asia, and parts of 
Eastern Europe for E1s.

Regards,
Steve