search for: send_waveform_to_channel

I am trying to use festival (latest version 1.4.3) I have downloaded all the files needed and patched it with the provided diff. festival does work and does tts fine. but when I call Festival either from an extention or an AGI script, I get this in my asterisk messages log, but no sound on the channels (H323 or SIP) - they (the clients) just say "trying" and then hangup... Sep 24

...0, 2) exited non-zero on 'Phone/phone0' -- Hungup 'Phone/phone0' or if I do a EXEC festival test I get May 20 17:43:05 WARNING[1217602880]: chan_phone.c:417 phone_read: Error reading: Resource temporarily unavailable May 20 17:43:05 WARNING[1217602880]: app_festival.c:181 send_waveform_to_channel : Null frame == hangup() detected May 20 17:43:05 WARNING[1217602880]: file.c:521 ast_readaudio_callback: Failed tto write frame == Spawn extension (demo, 4000, 2) exited non-zero on 'Phone/phone0' -- Hungup 'Phone/phone0'

I have loaded festival-1.4.3 patched with the 1.4.3.diff file. Festival source is in /usr/src/festival dir. When I try to use it I get this from asterisk: -- Executing Answer("SIP/chad-57a4", "") in new stack -- Executing Festival("SIP/chad-57a4", ""I am talking"") in new stack == Parsing '/etc/asterisk/festival.conf': Found