change projectid per individual mrcp recognize (004 grammar-load-failure)

[assanta]

Hi

all works ok if i use the projectid in the configuration file umsgdf.xml

but it's possible to leave empty this projectid in the umsgdf and then try to use it in a individual recognize? in that case i receive "004 grammar-load-failure"

builtin:speech/transcribe?projectid=XXXXXXX

[Dec 27 11:33:33] NOTICE[2000]: src/mrcp_client_connection.c:633 : Receive MRCPv2 Data 127.0.0.1:54748 <-> 127.0.0.1:1544 [125 bytes]

MRCP/2.0 125 1 406 COMPLETE

Channel-Identifier: 2d5d4c8d90754663@speechrecog

Completion-Cause: 004 grammar-load-failure

[Dec 27 11:33:33] NOTICE[1998]: src/mrcp_client_session.c:498 : Raise App MRCP Response ASR-133 <2d5d4c8d90754663>

[Dec 27 11:33:33] ERROR[20818][C-0000001e]: app_synthandrecog.c:1626 app_synthandrecog_exec: (ASR-133) Unable to start recognition

[Arsen Chaloyan]

Hi Asier,

The described method should work flawlessly with any recent version of the GDF plugin.

Server logs would be required to identify the root cause of your problem.

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Arsen Chaloyan
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[assanta]

yes, it works fine, the problem was because of a bug in my code

another question, i'm trying to use both the GSR and the GDF

      <engine id="GSR-1" name="umsgsr" enable="true"/>

      <engine id="GDF-1" name="umsgdf" enable="true"/>

but i see that always is using the GDF (2019-01-07 14:44:44:468272 [NOTICE] GDF Usage: 0/1/2)

why? it's possible to use both alternatively? how?

[Arsen Chaloyan]

Well, glad everything works as intended.

As for using both GSR and GDF, you may define two different profiles in unimrcpserver.xml and assign a particular speech recognition plugin to each profile. There have been several similar discussions lately. Here is a link, where you can find a sample configuration example.

Alternatively, starting with UniMRCP 1.6.0 release, media feature tags can optionally be specified in SIP INVITE, indicating a specific engine to use.

Here is the relevant configuration of a UniMRCP client profile:

    <sip-settings id="UniMRCP-SIP-Settings">

      <feature-tags>speechrecog.engine="GSR-1";speechsynth.engine="GSS-1"</feature-tags>
    </sip-settings>

which would result in a SIP INVITE having the Accept-Contact header field set accordingly as follows:

Accept-Contact: *;speechrecog.engine="GSR-1";speechsynth.engine="GSS-1"