[Freeswitch-users] load multiple grammar

[Michael Jerris]

> On Jan 12, 2017, at 12:19 PM, Nagendra Babu <nb3868 at yp.com> wrote:
> 
> Hi,
>  
> I need help regarding loading and activating multiple grammars.
>  
> Per FS-2906 <https://freeswitch.org/jira/browse/FS-2906>, it is possible to load multiple grammars from FreeSwitch.
>  
> I have tried the same using following commands from my C# code. The FS version I have is 1.3.17.

That appears to be some sort of random dev version from 5+ years ago.  I’d suggest starting with looking at a a recent release and if you are still having issues work from there.

>  
> InboundSession.Execute("detect_speech", "unimrcp {start-recognize=false}yesnod yesnod");
> InboundSession.Execute("detect_speech", "unimrcp {start-recognize=true}yesno yesno");
>  
> I can see that there are two DEFINE-GRAMMAR requests sent to the LumenVox Speech Server. One with yesnod.gram and another with yesno.gram
> But there is only one session mentioned in the RECOGNIZE request where as I am expecting it to be having both the sessions described in the DEFINE-GRAMMAR request.
> Any idea?
>  
>  
>                 MRCP/2.0 226 RECOGNIZE 3
>                 Channel-Identifier: 115483E487508175CFDF at speechrecog
>                 Content-Type: text/uri-list
>                 Cancel-If-Queue: false
>                 Start-Input-Timers: false
>                 Speech-Complete-Timeout: 3000
>                 Content-Length: 13
>                 
>                 session:yesno
> >>>> There should be session:yesnod also.
>  
> I do not see a way to do this in detect_speech.
>  
> Any help would be great.
>  
>  
>  
> Here is the define grammar message too…
>  
>                 MRCP/2.0 318 DEFINE-GRAMMAR 1
>                 Channel-Identifier: 115483E487508175CFDF at speechrecog
>                 Content-Type: application/srgs
>                 Content-Id: yesnod
>                 Content-Length: 158
>                 
>                 #ABNF 1.0 UTF-8;
> language en-US;
> mode dtmf;
> tag-format <semantics/1.0>; 
>  
> root $yesorno;
>  
> $yes = 1 {out = "yes"};
> $no = 2 {out = "no"};
> $yesorno = $yes | $no;
>                 
> 01/12/2017 07:16:09.790,RECV,OnLoadGrammarRe,Received cseq grammar load (1) reply for CallIndex 51
> 01/12/2017 07:16:09.790,SEND,SendPacket     ,  
>                 
>                 MRCP/2.0 116 1 200 COMPLETE
>                 Channel-Identifier: 115483E487508175CFDF at speechrecog
>                 Completion-Cause: 000 success
>                 
>                 
> 01/12/2017 07:16:10.123,RECV,ProcessRcvdPkt ,Got MRCP Message -
>                 
>                 MRCP/2.0 408 DEFINE-GRAMMAR 2
>                 Channel-Identifier: 115483E487508175CFDF at speechrecog
>                 Content-Type: application/srgs
>                 Content-Id: yesno
>                 Content-Length: 249
>                 
>                 #ABNF 1.0 UTF-8;
>                 language en-US; //use the American English pronunciation dictionary.
>                 mode voice;  //the input for this grammar will be spoken words.
>                 tag-format <semantics/1.0>; 
>                 
>                 root $yesorno;
>                 
>                 $yes = yes;
>                 $no = no;
>                 $yesorno = $yes | $no;
>                 
> 01/12/2017 07:16:10.128,RECV,OnLoadGrammarRe,Received cseq grammar load (2) reply for CallIndex 51
> 01/12/2017 07:16:10.129,SEND,SendPacket     ,  
>                 
>                 MRCP/2.0 116 2 200 COMPLETE
>                 Channel-Identifier: 115483E487508175CFDF at speechrecog
>                 Completion-Cause: 000 success
>                 
>                 
> 01/12/2017 07:16:10.459,RECV,ProcessRcvdPkt ,Got MRCP Message -
>                 
>                 MRCP/2.0 226 RECOGNIZE 3
>                 Channel-Identifier: 115483E487508175CFDF at speechrecog
>                 Content-Type: text/uri-list
>                 Cancel-If-Queue: false
>                 Start-Input-Timers: false
>                 Speech-Complete-Timeout: 3000
>                 Content-Length: 13
>                 
>                 session:yesno
>  
>  
> 01/12/2017 07:16:10.460,DEBG,SetRecPrmFrmHdr,Setting parameter 'Speech-Complete-Timeout' with value '3000'
> 01/12/2017 07:16:10.460,DEBG,SetRecPrmFrmHdr,Setting parameter 'Start-Input-Timers' with value 'false'
> 01/12/2017 07:16:10.460,DEBG,ConfPortForReco,Setting speech_complete_timeout to 3000 ms
> 01/12/2017 07:16:10.460,DEBG,ConfPortForReco,Setting sensitivity level to 50
> 01/12/2017 07:16:10.460,DEBG,ConfPortForReco,Setting Speed vs Accuracy to 0.5
> 01/12/2017 07:16:10.461,SEND,SendPacket     ,  
>                 
>                 MRCP/2.0 87 3 200 IN-PROGRESS
>  
>  
>  
>  
> Thanks and regards,
> Nagendra
>  
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