>> > Is it practical to 'assume' that in your case mentioned above that
>> > #1 is not going to occur again (since I assume when you say 'line'
>> > you are referring to an outside pstn line), and, #2 is in a mode
>> > of fine-tuning the training when in fact you'd really like it to
>> > start the coarse-training from scratch?
>>
>> Thanks Rich for the comments. Obviously you got my point. And I was
>> hoping
>> that it is possible somehow to do #1 (coarse-training from scratch)
>> after
>> a
>> PSTN line is transfered to another phone or something very important
>> changes
>> about a call. But considering how complicated a situation this might
>> be
>> (there is music on hold to say the least, or perhaps the transferee
>> may
>> reject the call and the call returns to the operator [in which case
>> you
>> wouldn't want #1], etc.) I guess this is not a simple task. Anyway,
>> I'll
>> keep on watching for a solution.
>
> The echo canceler preload happens shortly after the analog line is
> seized. Since a call transfer does not open/close the pstn line again,
> its not going to preload again. However, it should not have to anyway
> since there hasn't been any electrical changes there.
>
> What type of phones are you using internal when you're transferring a
> call?
The internal phones involved were both analog phones, i.e. Zap channels.
This problem happened once in the last 2 days (with KB1), so I'm not too
negative.
Are the analog phones connected to a TDM card, channel bank, or what?
cvs head or stable & version?
I have 2x TDM cards (4x FXS + 3x FXO), so all analog phones and pstn lines
are connected to TDM cards, Rev E/F.
Asterisk CVS-HEAD built by [EMAIL PROTECTED] on a i686 running Linux on
2005-08-19 22:03:57 UTC
That's on an Athlon 2000+, with CentOS 4.1, 2.6.11 kernel.
(I have the monitor recording of that call, and I've listened to it a couple
of times. When the caller from pstn is talking to the operator [before
transfer] I can't hear echo, but it's a very short converstion, so now I
can't be sure %100. But after the transfer I can clearly hear the echo. I
should catch another case like this.)
Thanks for the splitter answer, btw.
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