I'm having a tough problem when using Festival with Asterisk through
AGI: it seems that when I pass more than 15 chars to the Festival
command, when from inside an AGI, no sounds (speech) at all is generated.
The following (from inside the dialplan) correctly works:
exten => 333,1,Answer()
exten => 333,2,FESTIVAL(Telefono spento uno)
exten => 333,3,Hangup
But, when moved from within an AGI, the same Festival command doesn't work:
EXEC FESTIVAL "Telefono spento uno"
the symptom is that no text is played, although the return code from
command is zero.
One important note: if I shorten the text to "Telefono spento" (i.e. at
most 15-chars wide) everything works as expected.
I really can't figure out the reason of this weird behavior. What I can
do is to exclude some possible reasons:
1. It is not a festival-related problem since when called from the
Dialplan everything works as expected.
2. It is not a language-related issue, since I tried this both with
English and Italian
3. It is not a missing call to flush()... yes, I added a flush() at the
end of my Python-based AGI call
4. It is not a problem related to Python, since I use Python extensively
with AGI
Does anyone have a hint on what I can do to investigate or solve this
problem? Does enyone know if this is a known bug?
Thanks in advance,
Mario
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