. , , . , ASR (Automatic speech recognition).
, IP Asterisk. () Yandex SpeechKit. ?
! SpeechKit .
?
: Asterisk . , : ! . , , , , . . , extension.
:
API -
, , . https://developer.tech.yandex.ru/ :
. SpeechKit Cloud:
. .
Asterisk . PHP , AGI . ( ):
#!/usr/bin/php -q
<?php
require('phpagi.php');
$agi = new AGI(); # AGI ;
$audio = $argv[1]; # AGI. - , ;
$token = '_';
$theme = "queries"; # . queries - ;
$lang = "ru-RU"; # ;
$uuid = md5(uniqid(rand(), true)); # 32 ;
system('sox '.$audio.'.wav -r 16000 -b 16 -c 1 '.$audio.'-conv.wav'); # ;
$cmd = exec('curl --silent -F "Content-Type=audio/x-pcm;bit=16;rate=16000;" -F "audio=@'.$audio.'-conv.wav" asr.yandex.net/asr_xml\?key='.$token.'\&uuid='.$uuid .'\&topic='.$theme.'\&lang='.$lang, $result); # CURL API ;
$result_asr = implode($result); # ;
if (preg_match('!!si', $result_asr, $arr)) {
$asr_res = $arr[1];
} else {
$asr_res='';
} # ;
if (intval(substr_count($asr_res, '')) > 0) {
$ress = 1; # "", 1;
} elseif (intval(substr_count($asr_res, '')) > 0) {
$ress = 2; # "", 2;
} elseif (intval(substr_count($asr_res, '')) > 0) {
$ress = 3; # "", 3;
} else {
$ress = 0; # , 0;
}
$agi->set_variable("asr", $ress); # ;
system('rm -f '.$audio.'.wav');
system('rm -f '.$audio.'-conv.wav'); # , ;
?>
, (, ). , .
. , :
ASR, .php
asr.php /var/lib/asterisk/agi-bin :
dos2unix /var/lib/asterisk/agi-bin/asr.php chown asterisk:asterisk /var/lib/asterisk/agi-bin/asr.php chmod 775 /var/lib/asterisk/agi-bin/asr.php
. /etc/asterisk/extensions_custom.conf :
[asr_menu]
exten => s,1,Answer()
exten => s,n,Playback(custom/asr)
exten => s,n,Wait(1)
exten => s,n,Record(/tmp/${UNIQUEID}.wav,3,20)
exten => s,n,AGI(asr.php,/tmp/${UNIQUEID})
exten => s,n,Set(varasr=${asr})
exten => s,n,GotoIf($["${varasr}" = "1"]?dial111:zakazcheck)
same => n(dial111),Dial(SIP/111,15,rt)
same => n,Hangup()
exten => s,n(zakazcheck),GotoIf($["${varasr}" = "2"]?dial222:sekratarcheck)
same => n(dial222),Dial(SIP/222,15,rt)
same => n,Hangup()
exten => s,n(sekratarcheck),GotoIf($["${varasr}" = "3"]?dial333)
same => n(dial333),Dial(SIP/333,15,rt)
same => n,Hangup()
( , /var/lib/asterisk/sounds/ru/custom/asr.wav), , , , , . , , 111, , 222, , 333. .
. FreePBX. Custom Destinations. Admin → Custom Destinations Add Destination:
, . Submit Apply Config. IVR ( ). 1 :
. () open source .
