UniMRCP Lex with Cisco VVB

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Vamsi Daggubati

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Sep 28, 2020, 12:51:32 PM9/28/20
to UniMRCP
Hey Arsen,

Hope you are doing good...

We have UniMRCP setup with Amazon Lex in a Cisco VVB env. I have just completed the setup and made a test phone call. Overall, everything looks good and I could see the intents flowing to & fro between the UniMRCP & VVB.

However, in the UniMRCP logs, I see there are some warning messages coming for every call. Here is the message in red & I have highlighted in the logs as well.. 

[WARN]   Cannot read the first field in start-line
[WARN]   Failed to Parse MRCPv2 Data

Can I ignore these? Any special settings to be done? Please let me know if you need anything else.

2020-09-28 14:47:47:906105 [INFO]   Remote SDP 0x7f5b00007b58 <new>
v=0
o=- 123 456 IN IP4 10.2.74.43
s=Cisco Virtualized Voice Browser 12.0.1.10000-17
c=IN IP4 10.2.74.43
t=0 0
m=audio 24610 RTP/AVP 0 96
a=rtpmap:0 pcmu/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=sendonly
a=mid:1
m=application 9 TCP/MRCPv2 19
a=setup:active
a=connection:new
a=fmtp:96 0-15
a=resource:speechrecog
a=cmid:1

2020-09-28 14:47:47:906227 [NOTICE] Add Session <3e476e00db484a2e>
2020-09-28 14:47:47:906246 [INFO]   Receive Offer 0x7f5b00007b58 <3e476e00db484a2e> [c:1 a:1 v:0]
2020-09-28 14:47:47:906262 [INFO]   Found MRCP Engine [Lex-1] for Resource [speechrecog] 0x7f5b00007b58 <3e476e00db484a2e>
2020-09-28 14:47:47:906360 [INFO]   Add Pending Control Channel <3e476e00db484a2e@speechrecog> [1]
2020-09-28 14:47:47:908690 [INFO]   Enable RTP Session 10.2.74.97:5008
2020-09-28 14:47:47:908721 [INFO]   Open RTP Receiver 10.2.74.97:5008 <- 10.2.74.43:24610 playout [50 ms] bounds [0 - 600 ms] adaptive [1] skew detection [1]
2020-09-28 14:47:47:908744 [INFO]   Media Path 0x7f5b00007b58 Source->[PCMU/8000/1]->Decoder->[LPCM/8000/1]->Bridge->[LPCM/8000/1]->Sink
2020-09-28 14:47:47:908781 [INFO]   Open <3e476e00db484a2e@lex>
2020-09-28 14:47:47:908794 [NOTICE] Lex Usage: 1/1/2
2020-09-28 14:47:47:908806 [INFO]   Send Answer 0x7f5b00007b58 <3e476e00db484a2e> [c:1 a:1 v:0] Status OK
2020-09-28 14:47:47:908822 [INFO]   Local SDP 0x7f5b00007b58 <3e476e00db484a2e>
v=0
o=UniMRCPServer 0 0 IN IP4 10.2.74.97
s=-
c=IN IP4 10.2.74.97
t=0 0
m=audio 5008 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=recvonly
a=mid:1
m=application 1544 TCP/MRCPv2 1
a=setup:passive
a=connection:new
a=channel:3e476e00db484a2e@speechrecog
a=cmid:1

2020-09-28 14:47:47:909137 [INFO]   Receive SIP Event [nua_i_state] Status 200 OK [SIP-Agent-1]
2020-09-28 14:47:47:909152 [NOTICE] SIP Call State 0x7f5b00007b58 [completed]
2020-09-28 14:47:47:910947 [INFO]   Receive SIP Event [nua_i_ack] Status 200 OK [SIP-Agent-1]
2020-09-28 14:47:47:910970 [INFO]   Receive SIP Event [nua_i_state] Status 200 OK [SIP-Agent-1]
2020-09-28 14:47:47:910975 [NOTICE] SIP Call State 0x7f5b00007b58 [ready]
2020-09-28 14:47:47:910986 [INFO]   Receive SIP Event [nua_i_active] Status 200 Call active [SIP-Agent-1]
2020-09-28 14:47:47:911468 [NOTICE] Accepted TCP/MRCPv2 Connection 10.2.74.97:1544 <-> 10.2.74.43:43544
2020-09-28 14:47:47:912106 [INFO]   Receive MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [559 bytes]
MRCP/2.0 557 DEFINE-GRAMMAR 100
Channel-Identifier: 3e476e00db484a2e@speechrecog
Fetch-Timeout:10000
Cache-Control:max-stale=0,max-age=300
Content-Type:application/srgs+xml
Speech-Language:en-US
Content-Id:li...@application.grammar
Content-Length: 201

<?xml version="1.0" encoding="UTF-8"?>
<grammar mode="voice" root="root" version="1.0" xml:lang="en-US">
 <rule id="root" scope="public">
 <one-of>
 <item>
 help
 </item>
 </one-of>
 </rule>
</grammar>


2020-09-28 14:47:47:912142 [INFO]   Assign Control Channel <3e476e00db484a2e@speechrecog> to Connection 10.2.74.97:1544 <-> 10.2.74.43:43544 [0] -> [1]
2020-09-28 14:47:47:912193 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912202 [WARN]   Failed to Parse MRCPv2 Data
2020-09-28 14:47:47:912206 [INFO]   Process DEFINE-GRAMMAR Request <3e476e00db484a2e@speechrecog> [100]
2020-09-28 14:47:47:912207 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912235 [INFO]   Receive MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [278 bytes]
MRCP/2.0 276 DEFINE-GRAMMAR 101
Channel-Identifier: 3e476e00db484a2e@speechrecog
Fetch-Timeout:10000
Cache-Control:max-stale=0,max-age=300
Content-Type:text/uri-list
Speech-Language:en-US
Content-Id:fie...@field.grammar
Content-Length: 25

builtin:speech/transcribe


2020-09-28 14:47:47:912277 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912282 [WARN]   Failed to Parse MRCPv2 Data
2020-09-28 14:47:47:912285 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912292 [INFO]   Receive MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [272 bytes]
MRCP/2.0 270 DEFINE-GRAMMAR 102
Channel-Identifier: 3e476e00db484a2e@speechrecog
Fetch-Timeout:10000
Cache-Control:max-stale=0,max-age=300
Content-Type:text/uri-list
Speech-Language:en-US
Content-Id:fie...@field.grammar
Content-Length: 19

builtin:dtmf/digits


2020-09-28 14:47:47:912308 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912312 [WARN]   Failed to Parse MRCPv2 Data
2020-09-28 14:47:47:912315 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912341 [INFO]   Process DEFINE-GRAMMAR Response <3e476e00db484a2e@speechrecog> [100]
2020-09-28 14:47:47:912362 [INFO]   Process DEFINE-GRAMMAR Request <3e476e00db484a2e@speechrecog> [101]
2020-09-28 14:47:47:912376 [INFO]   Send MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [114 bytes]
MRCP/2.0 114 100 200 COMPLETE
Channel-Identifier: 3e476e00db484a2e@speechrecog
Completion-Cause: 000 success


2020-09-28 14:47:47:912381 [INFO]   Process DEFINE-GRAMMAR Response <3e476e00db484a2e@speechrecog> [101]
2020-09-28 14:47:47:912416 [INFO]   Process DEFINE-GRAMMAR Request <3e476e00db484a2e@speechrecog> [102]
2020-09-28 14:47:47:912422 [INFO]   Send MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [114 bytes]
MRCP/2.0 114 101 200 COMPLETE
Channel-Identifier: 3e476e00db484a2e@speechrecog
Completion-Cause: 000 success


2020-09-28 14:47:47:912435 [INFO]   Process DEFINE-GRAMMAR Response <3e476e00db484a2e@speechrecog> [102]
2020-09-28 14:47:47:912452 [INFO]   Send MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [114 bytes]
MRCP/2.0 114 102 200 COMPLETE
Channel-Identifier: 3e476e00db484a2e@speechrecog
Completion-Cause: 000 success


2020-09-28 14:47:47:912827 [INFO]   Receive MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [618 bytes]
MRCP/2.0 616 RECOGNIZE 103
Channel-Identifier: 3e476e00db484a2e@speechrecog
Cancel-If-Queue: false
N-Best-List-Length:1
Sensitivity-Level:0.5
Speech-Complete-Timeout:700
Speech-Incomplete-Timeout:1000
Confidence-Threshold:0.4
Speed-Vs-Accuracy:0.5
Recognition-Timeout:20000
No-Input-Timeout:5000
DTMF-Interdigit-Timeout:3000
DTMF-Term-Timeout:0
Fetch-Timeout:10000
Logging-Tag:32000000015
DTMF-Term-Char:#
Content-Type:text/uri-list
Speech-Language:en-US
Start-Input-Timers:false
Content-Length: 93

session:li...@application.grammar
session:fie...@field.grammar
session:fie...@field.grammar


2020-09-28 14:47:47:912861 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912864 [WARN]   Failed to Parse MRCPv2 Data
2020-09-28 14:47:47:912867 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912869 [INFO]   Process RECOGNIZE Request <3e476e00db484a2e@speechrecog> [103]
2020-09-28 14:47:47:912883 [WARN]   Speech Grammar Already Specified <3e476e00db484a2e@lex>
2020-09-28 14:47:47:912890 [INFO]   Init Speech Detector: frame-size=160, max-frame-count=160, output-frame-count=20, vad-mode=2, noinput-timeout=5000 ms, input-timeout=20000 ms, start-timeout=300 ms, complete-timeout=700 ms, incomplete-timeout=1000 ms, leading-silence=300 ms, trailing-silence=300 ms, interim-results=0, start-of-input=internal <3e476e00db484a2e>
2020-09-28 14:47:47:912898 [INFO]   Init DTMF Detector: interdigit-timeout=3000 ms, term-timeout=0 ms, term-char=#, length=0, min-length=0, max-length=0 <3e476e00db484a2e>
2020-09-28 14:47:47:912907 [INFO]   Process RECOGNIZE Response <3e476e00db484a2e@speechrecog> [103]
2020-09-28 14:47:47:912911 [INFO]   State Transition IDLE -> RECOGNIZING <3e476e00db484a2e@speechrecog>
2020-09-28 14:47:47:912932 [INFO]   Send MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [85 bytes]
MRCP/2.0 85 103 200 IN-PROGRESS
Channel-Identifier: 3e476e00db484a2e@speechrecog


2020-09-28 14:47:48:886270 [INFO]   Receive SIP Event [nua_i_options] Status 100 Trying [SIP-Agent-1]
2020-09-28 14:47:48:886307 [INFO]   Resource Discovery SDP
[v=0
o=UniMRCPServer 0 0 IN IP4 10.2.74.97
s=-
c=IN IP4 10.2.74.97
t=0 0
m=application 0 TCP/MRCPv2 1
a=resource:speechsynth
a=resource:speechrecog
m=audio 0 RTP/AVP 0 8 96 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:96 L16/8000
a=rtpmap:101 telephone-event/8000
]

2020-09-28 14:47:49:228670 [INFO]   Speech Detector State Transition NO-INPUT -> IN-PROGRESS [1320 ms] <3e476e00db484a2e>
2020-09-28 14:47:49:228719 [INFO]   Start Input Timer [20000 ms] <3e476e00db484a2e>
2020-09-28 14:47:49:228782 [INFO]   Process START-OF-INPUT Event <3e476e00db484a2e@speechrecog> [103]
2020-09-28 14:47:49:229636 [INFO]   Send MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [117 bytes]
MRCP/2.0 117 START-OF-INPUT 103 IN-PROGRESS
Channel-Identifier: 3e476e00db484a2e@speechrecog
Input-Type: speech


2020-09-28 14:47:50:694413 [INFO]   Receive SIP Event [nua_i_options] Status 100 Trying [SIP-Agent-1]
2020-09-28 14:47:50:694458 [INFO]   Resource Discovery SDP
[v=0
o=UniMRCPServer 0 0 IN IP4 10.2.74.97
s=-
c=IN IP4 10.2.74.97
t=0 0
m=application 0 TCP/MRCPv2 1
a=resource:speechsynth
a=resource:speechrecog
m=audio 0 RTP/AVP 0 8 96 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:96 L16/8000
a=rtpmap:101 telephone-event/8000
]

2020-09-28 14:47:53:028695 [INFO]   Speech Detector State Transition IN-PROGRESS -> COMPLETE [3800 ms] <3e476e00db484a2e>
2020-09-28 14:47:53:028743 [INFO]   Detector Stats: leading-silence=300 ms, input=3400 ms, trailing-silence=700 ms <3e476e00db484a2e>
2020-09-28 14:47:53:028769 [INFO]   Input Complete [success] size=70400 bytes, dur=4400 ms <3e476e00db484a2e@lex>
2020-09-28 14:47:53:028812 [INFO]   PostContentAsync: bot-name [BookTripTest] alias [BookTripTest] user-id [3e476e00db484a2e] content-type [audio/lpcm; sample-rate=8000; sample-size-bits=16; channel-count=1; is-big-endian=false] accept [text/plain; charset=utf-8] request-attribs [{}] credentials-profile [] <3e476e00db484a2e@lex>
2020-09-28 14:47:54:478838 [INFO]   Process PostContent Results: transcript [book a hotel] intent [BookHotel] message [What city will you be staying in?] content-type [text/plain; charset=utf-8] content [0] <3e476e00db484a2e@lex>
2020-09-28 14:47:54:478986 [INFO]   Process RECOGNITION-COMPLETE Event <3e476e00db484a2e@speechrecog> [103]
2020-09-28 14:47:54:478998 [INFO]   State Transition RECOGNIZING -> RECOGNIZED <3e476e00db484a2e@speechrecog>
2020-09-28 14:47:54:479045 [INFO]   Send MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [711 bytes]
MRCP/2.0 711 RECOGNITION-COMPLETE 103 COMPLETE
Channel-Identifier: 3e476e00db484a2e@speechrecog
Completion-Cause: 000 success
Content-Type: application/x-nlsml
Content-Length: 524

<?xml version="1.0"?><result><interpretation grammar="session:li...@application.grammar" confidence="1"><instance><intent>BookHotel</intent><slots><CheckInDate></CheckInDate><Location></Location><Nights></Nights><RoomType></RoomType></slots><messageformat>PlainText</messageformat><message>What city will you be staying in?</message><dialogstate>ElicitSlot</dialogstate><slottoelicit>Location</slottoelicit><sessionattributes></sessionattributes></instance><input mode="speech">book a hotel</input></interpretation></result>
2020-09-28 14:47:54:485686 [INFO]   Receive MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [559 bytes]
MRCP/2.0 557 DEFINE-GRAMMAR 104
Channel-Identifier: 3e476e00db484a2e@speechrecog
Fetch-Timeout:10000
Cache-Control:max-stale=0,max-age=300
Content-Type:application/srgs+xml
Speech-Language:en-US
Content-Id:li...@application.grammar
Content-Length: 201

<?xml version="1.0" encoding="UTF-8"?>
<grammar mode="voice" root="root" version="1.0" xml:lang="en-US">
 <rule id="root" scope="public">
 <one-of>
 <item>
 help
 </item>
 </one-of>
 </rule>
</grammar>


2020-09-28 14:47:54:485730 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:54:485736 [WARN]   Failed to Parse MRCPv2 Data
2020-09-28 14:47:54:485739 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:54:485753 [INFO]   Process DEFINE-GRAMMAR Request <3e476e00db484a2e@speechrecog> [104]
2020-09-28 14:47:54:485767 [INFO]   State Transition RECOGNIZED -> IDLE <3e476e00db484a2e@speechrecog>
2020-09-28 14:47:54:485863 [INFO]   Process DEFINE-GRAMMAR Response <3e476e00db484a2e@speechrecog> [104]
2020-09-28 14:47:54:485908 [INFO]   Send MRCPv2 Data 10.2.74.97:1544 <-> 10.2.74.43:43544 [114 bytes]
MRCP/2.0 114 104 200 COMPLETE
Channel-Identifier: 3e476e00db484a2e@speechrecog
Completion-Cause: 000 success

Vamsi Daggubati

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Sep 30, 2020, 1:16:32 PM9/30/20
to UniMRCP
Hi Arsen,

I would like to add one more question. How do I check if UniMRCP is sending the response back to VVB? and what response its sending? 

Please let me know.

Vamsi Daggubati

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Oct 1, 2020, 10:23:10 AM10/1/20
to UniMRCP
Hi Arsen,

I have resolved the issue. I have set the VXML property "universals" to "none" and it worked. I found the solution from the other thread. Appreciate it!

Arsen Chaloyan

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Oct 13, 2020, 10:50:10 PM10/13/20
to UniMRCP
Hi Vamsi,

Glad the problem is resolved. As for your question regarding the warnings below, they are pretty much harmless.

2020-09-28 14:47:47:912277 [WARN]   Cannot read the first field in start-line
2020-09-28 14:47:47:912282 [WARN]   Failed to Parse MRCPv2 Data
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Arsen Chaloyan
Author of UniMRCP
http://www.unimrcp.org

phanikumar...@ttec.com

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Oct 26, 2022, 1:13:37 PM10/26/22
to UniMRCP
Hi Vamsi,

Is the  UniMRCP_Test1 call studio application name? are you using inline grammars or external grammar file? I believe you are using built-in grammars for both voice and Dtmf correct?
when you use this grammars in form element, what are the events you get back from JSON results?

I appreciate your response.

Thanks,
Phani.

Arsen Chaloyan

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Oct 28, 2022, 2:50:23 PM10/28/22
to uni...@googlegroups.com
Hi Phani,

You may use the following sample application For Lex V2


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Venigalla, Phani Kumar

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Oct 28, 2022, 3:22:27 PM10/28/22
to uni...@googlegroups.com

Great, Arsen,

 

I am looking for sample Cisco Callstudio application that communicate from VVB(MRCPv2) to UNIMRCP?

 

 

Thanks,

Phani Venigalla

Architect, System Software -IVR

O +1 512 .418.7862 , M +1 720 375 3349

TTEC values: Act as one. Lead every day.

Reach for amazing. Seek first to understand.

Do the right thing. Live life passionately.

ttec.com

 

 

From: uni...@googlegroups.com <uni...@googlegroups.com> On Behalf Of Arsen Chaloyan
Sent: Friday, October 28, 2022 2:50 PM
To: uni...@googlegroups.com
Subject: Re: [UniMRCP] Re: UniMRCP Lex with Cisco VVB

 

Hi Phani, You may use the following sample application For Lex V2 https: //github. com/unispeech/ums-sample-apps/tree/main/voicexml/lex On Wed, Oct 26, 2022 at 10: 13 AM phanikumar. . . @ ttec. com <phanikumar. venigalla@ ttec. com ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍

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