Matt Riddell wrote:
> Oslec doesn't bother me too much - too much CPU usage.  

Well, I have oslec working on an old net4801 with just 128MB for a long
time, before we had it integrated in Astlinux. It's an ancient build and
I can't confirm that CPU usage is high. It is low for oslec. It was very
high for the user-space implementation of Octasic echo canceller. I
think, it is moved to kernel-space again in misdn v2.

> Does chan_lcr  work?  

I haven't tried, but I read reports that it works fine.

> Who supports it? 

It is open source, gpl stuff.

> Are they active in the Asterisk community? 
> Willing to fix bugs etc?

There are some people today, but nobody knows how this will be in the
future.

On the other hand, chan_misdn was developed by the same guys who develop
mISDN. Now they stopped working on chan_misdn and who is maintaining
that code in the future? Hmm, nobody knows ;-) That's always the same
story with open source... People want everything for free with great
support and code maintenance.

> If chan_lcr is something which could receive more support than 
> chan_misdn then maybe we should consider it.

Let it say this way: chan_misdn does not work with the latest mISDN
version which is V2. Probably chan_misdn will never work with V2 because
no one is porting it. So it has to stick with V1 code of mISDN. The
latest release here is 1.1.8. Do you believe that this code will be
maintained in the future as there is already V2? I don't know... The
ISDN protocol in general won't change probably, but kernel versions
change and you have at least to adopt your structures to newer kernel
versions. So in the future someone would have to touch the V1 code again
to make it compatible with the latest kernel.

Last but not least, kernel >= linux 2.6.27 includes mISDN V2 !! I think,
that's the future and I don't think that chan_misdn is the future unless
someone put either money on the table for the existing developers to
port it or someone else feels smart enough to do the port as another
open source project.

cheers, Ingmar

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