[asterisk-r2] Problems with an Asterisk PBX connected with a NEC PBX via E1-R2

[Moises Silva]

On Thu, Jul 4, 2013 at 9:41 PM, Oscar Rocha <orochamty at hotmail.com> wrote:

> From the call log as you suggest, the timing between MFs is:
>
> Number: 017797969922
> 0 -> 1   200ms
> 1 -> 7   180ms
> 7 -> 7   180ms
> 7 -> 9   200ms
> 9 -> 7   180ms
> 7 -> 9   200ms
> 9 -> 6   180ms
> 6 -> 9   180ms
> 9 -> 9   40ms   ---->   this digit is repeated and the timing is very low
>


This suggests a glitch on the OS or line that caused an underrun which
caused the line to go silent for a few milliseconds and the openr2 stack
detected that silence as a tone end.

You can tweak the mf_threshold parameter in chan_dahdi, set it to something
like 50ms and give it a try.

*Moises Silva
**Manager, Software Engineering***

msilva at sangoma.com

Sangoma Technologies

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t.   +1 800 388 2475 (N. America)

t.   +1 905 474 1990 x128

f.   +1 905 474 9223



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