[Asterisk-Users] R2 support

[Alfred R. Nurnberger]

Steve.
You are saying this from your view of 2004.
But at the time R2 was developed there were no microcontrollers and tones
were decoded with LC filters.
R2 provides interactive capabilities base on a simple tones protocol to
retrieve ANI, dialed numbers,
signalling status etc. It's compelled structure provides some kind of
handshaking to deal with different
kind of switches and their speed. Nowadays this is no issue at all but at
the days R2 was developed
you had to take into account that relays and step by step switches take
their time.

On the other hand I have to agree with you... Well, what is the definition
of sane anyway :-)

Regards.
Alfred.



-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com]On Behalf Of Steve
Underwood
Sent: Monday, January 19, 2004 5:08 PM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] R2 support


Olle E. Johansson wrote:

> LQ (Asterisk) wrote:
>
>> Hi guys,
>>
>> I was reading that Steve Underwood is working on Asterisk R2 signalling
>> support, and has the 95% of the work done.
>
>
> What is R2? I'm curious.

Half of R2D2, of course.

Its also a stupid clunky multi-tone based telephone signaling system
widely used over E1s in South America, Asia, and parts of Eastern
Europe. No sane telecoms engineer would use it. However, few telecoms
engineers are entirely sane :-)

Regards,
Steve


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