[Asterisk-Users] NetworkWorld article on Open Source Telephony

[gromit]

I hope we can get ISDN in Sao Paulo - we have been told it is available 
as we are planning to deploy an Asterisk box in Brazil.

Having said this, Asterisk is what users make it.  If you want R2 
signalling (and I think a lot of people in South America do!) then 
please get on and write the module or put a bounty on it so that some 
enterprising software developer can do it for you.  In the rest of the 
world ISDN BRI and PRI are THE standard telecomms building blocks for 
all but the smallest of telephone installations, and Asterisk support 
for this is improving on a regular basis because that is what most 
people outside the US are using.

 It is really only the US that seems not to understand ISDN (especially 
BRI) and there are some quirks relating to ISDN that I am sure will be 
ironed out sooner rather than later.

As regards DTMF caller ID, I think the beginnings of this option are 
already there as I seem to recall that the CVS head now has experimental 
support for UK caller ID which requires line monitoring during ringing. 
Adding DTMF is not difficult.

Rather than point out the areas where Asterisk is weak, fix it and make 
it do what you want, and add it in for the benefit of everyone!.  That 
is what open source is all about.

Rgds
Tim

Gelson Dias Santos wrote:

> Brent Franks wrote:
>
>> Aside from echo issues that seem to be apparent with everyone 
>> occasionally
>> (by everyone, those not running hardware T1 echo cans) I believe * is
>> ready for the prime time.  Integrators however should have a better
>
>
>     I add to the list: hangup detection on FXO interfaces is terrible. 
> The busy tone detection routines does not work right/reliably, at 
> least not for those outside USA. Same thing about callprogress, the 
> lack of support for DTMF CallerID and no R2 signaling.
>     Without these features * will never be a serious option outside US.
>
>     Gelson
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