installation_guide:changelog [Voximal documentation]

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====== Voximal ChangeLog ======
The old name of Voximal is VXI* : [[vxi_installation_guide:changelog|full VXI* ChangeLog]]

Voximal is the new generation of [[vxi_installation_guide:changelog#120|VXI* 12.0]] , and integrates [[vxi_installation_guide:changelog#130|branch 13.0]] 



====== 14.2 ======
**02/01/2020**

  * mod: Improve the AAI support. (Can be linked to User-To-User SIP header).
  * mod: Improve the fetchaudio feature.
  * mod: Add Google Assistant Dialogflow payload support.
  * mod: Correction to ignore XML tags in the NLSML <input>.
  * mod: Important correction in the earlyspeech feature.
  * add: Add ConfBridge conference application support (Transfer with conference: prefix).
  * add: Add a property to manage the Google Credentials files name and allows serveral GoogleSpeech/GoogleDialogflow connexions.
  * mod: Correction coredumps with command "clear cache" and files older than x days.
  * add: Add <script> extension to execute variable contents as an ECMA script.
  * mod: Correction to force the score with Google Speech when empty final result.
  * mod: Modification to send speechprovider with load grammar URI.
  * mod: Correction aoround cut/break features.
  * add: Add property to define the TTS text/ssml encoding for MRCP contents.
  * mod: Add parameter a speechunanswered to keep grammars errors during unanswered processing.
  * mod: Correction for MRCP (bad streaming state check).
  * mod: Correction to extend the buffer to receive long ASR/STT results.
  * mod: Correction crash with grammars and unaswered mode.
  * mod: Update to the last openssl, grpc libraries (SSL/ALPN property).
  * mod: Corrections for HTTP speech processing.
  * add: Variable SPYGROUP for ChanSpy using.
  * add: Support payload from Dialogflow webhooks (expect_user_response).
  * add: Add multicontext support for Google Dialogflow (with xml:lang="context1:context2").
  * mod: Correction to send the JSGF grammars to the ASR engine with uniMRCP.
  * add: Add a new bargein mode called "early speech". Gets speech and interrupts prompts during the end of the prompts.
  * add: Average values for feedback and response time (between recognizes and prompts).
  * mod: Correction in the messaging waiting step (when the stream/recognize have a result).
  * add: Add match RegExp expressions in the grammars, prefix the item with the '@' character.
  * add: Add multilanguage support for Google Speech (with xml:lang="fr-FR:es-ES").
  * mod: Correction coredump in assignments with void EcmaScript objects.
  * mod: Correction to use the attribut timeout in the <prompt>.
  * add: Add <clear namelist=":"/> to clear event and prompt counters.
  * mod: Correction of the default memory audio directory (transfer announcement and karaoke features).
  * add: Add parameters audiotruncate and audiopollard to cut TTS prompts.
  * add: Add property encodingtype to set or modify the default POST encodingtype.
  * mod: Do not clean text contents with the TTV (language=text or video).
  * add: Add the parameters maxLogFileSize and maxContentDirSize.
  * mod: Correction to keep the set "context:" on fields after a noinput/nomatch event.
  * mod: Corrections around Google RPC timings and answers.
  * mod: Correction to support prompt properties with the Watson API.
  * mod: Correction to support DTMF results with score equal to '1' (Nuance ASR).
  * mod: Correction to forward DTMF events to the speech API (ASR) if DTMF grammar is used.
  * mod: Dynamic grammar now support empty srcexpr with throwing an error event.
  * mod: Change the word/grammar parsing to find full words and not substrings.
  * add: Add the parameter Speech Provider in the General section in the FreePBX module.
  * add: Add Dialogflow shadow variables (hangup, intent, name, property...).
  * add: Add Parameters for the interpreter properties (section [interpreter]).
  * add: Add parameter minimalspeech, to bufferize the STT streaming before starting the session.
  * mod: Correction for the TTS with MRCP configuration.
  * add: Add property promptlang (and xml:lang) to force the languauge for all prompts.
  * add: Add the option useredirect for SIP redirected calls (with OVH french VOIP provider).
  * mod: Disable the option speechhotwordscore by default.
  * add: Add "[]" break marks as "{}" for Dialogflow.
  * add: Add "unanswered" mode to execute a VoiceXML session without a real call (function "url").
  * mod: Improvments with the Dialogflow integration (set request payload, process result parameters, stability).
  * add: Add "{}" break marks in prompt texts to add prerecorded audio files or wait time in ms.
  * mod: Correction bug with the cutprompt feature.
  * add: Add extraheaders property.
  * add: Add parameters to generate silence to the audio streaming (with RTP silence).
  * add: Add parameters to record audio streaming (GoogleSpeech/DialogFlow)
  * mod: Remove too verbose traces during HTTP downloads.
  * mod: Continue Playing the same audiotransfer during several sequential transfers.
  * add: Add Yandex Synthesis support.
  * add: Add Dialogflow integration with RPC (text/event and streaming modes).
  * add: Add multiple text/transcribe grammars in a single document.
  * mod: Default STT streaming set to ulaw.
  * add: Add the minspeech property to start the STT only if we reach a minimal speech duration.
  * mod: Change the default mark with the parameter id if set.
  * mod: Change the Cereproc Cloud integration (SpeakExtended support).
  * add: Add parameter speed (and promptspeed) to change the TTS voice rate with Cereproc and Watson.
  * add: Integration of GoogleSpeech V1.1, with the enhanced model.
  * add: Add Google Text To Speech support.
  * add: Add Google Speech Streaming features to improve the results.
  * add: Add transferaudio support.
  * mod: Corrections in STT streaming (async thread mode).
  * mod: Correction to detect the pause/stop with Google Speech Streaming.
  * add: Add codecs ULAW and OGG for Google Speech Streaming.
  * add: Add a HTTP client for the <data> tag (to keep SSL connections with chatbots APIs).
  * mod: Corrections with STT streaming and bargein.
  * mod: Improvements in the STT streaming integration.
  * mod: Support maxspeechtimeout with the STT streaming.
  * mod: Correction to allows flexible URI in the attribute dest with the <transfer>.
  * add: Add bargein support with the Speech API Streaming.
  * mod: Correction to remove spaces from the digits/number grammar with STT.
  * add: Add Google Speech API with streaming.
  * add: File streaming feature to get the speaking audio flow in the interpreter.

====== 14.1 ======
**28/05/2018**

  * add: Add the server name to the frame Hello with SSL.
  * add: Add speechrecordsilence parameter for the Speech recording.
  * mod: Correction regression with JSGF grammars with mode=dtmf.
  * mod: Add the utterance in the nomatch for the SpeechToText.
  * mod: Stop the process with signal TERM and after KILL.
  * add: Add option -pid to create the voximald.pid PID file from the interpreter too.
  * mod: Correction Voximal cleanup at Asterisk exit.
  * add: /var/run/voximal/voximal.pid file.
  * mod: Correction of JSON/Ecma conversions.
  * mod: Correction of the GUI/General parameters.
  * mod: Correction in the install script.
  * add: Support for Asterisk 15.

====== 14.0 ======
**12/07/2017**

  * add: Correction for DTMF grammar with white spaces.
  * add: Add 'hidden' grammars to set replace word/string in the STT results.
  * add: Add 'hidden' grammars to set "Phrases" to Google STT.
  * add: Silences record with STT, with speechrecordsilence option.
  * mod: Changes for Google Speech API V1 (not beta).
  * add: Add the property recognizemodel for Watson STT.
  * add: Escape the " by \" in the JSON string contents.
  * mod: Correction freePBX module for the option dialformat.
  * mod: Correction to support uniMRCP configuration.
  * mod: Correction crashes with JSON/TEXT <data> requests.
  * mod: Correction to support HTTPS server reset connection (Keep-Alive with timeouts).
  * mod: Correction DEV logs for STT.
  * mod: Correction with the speech beeps.
  * add: Integration of the TTS Amazon/Polly with CLI commands.
  * mod: Correction HTTPS read timeouts (when SSL datas pendings).
  * mod: Escape the HTTP parameters characters.
  * mod: Corrections in the chunk HTTP download.
  * mod: Use the directories files and streams for the log contents.
  * add: Add parameter lang for the builtin grammar text (text?lang=x).
  * mod: Correction of an issue with the MRCPsynth extra parameters.
  * add: Add a mark for the VM and specific Voximal installs.
  * add: Use the sensibility end completetimeout to adjust the speech recording for STT.
  * add: Add JSON support for <data>
  * mod: Correction of a memoryleak with a debug trace in the <assign>.
  * mod: Add error messages relative to write disk errors and MSQ read errors.
  * mod: Set the PlayListSize to 1 to avoid MSQ lock when the MSQ size is to small.
  * add: Support STT with menus/options/grammars using (interpreter filters results).
  * add: Add speechprovider parameter for the accouts in the FreePBX module.
  * add: Integration of the STT IBM/Watson Cloud API (bluemix).
  * add: Integration of the STT Microsoft Cloud API.
  * add: Integration of ASR/STT with HTTP interface.
  * mod: Correction in MD5 functions for cache managment.
  * add: Integration of the TTS IBM/Watson Cloud API (bluemix).
  * add: Added speechverbio to support Verbio bultins grammars.
  * add: Integration of the TTS iSpeech Cloud API.
  * mod: Update for the new TTS Microsoft/Bing Cloud API.
  * mod: Disable the default POST/100-continue and add the property fetchcontinuetimeout.
  * mod: Disable the unload grammar execution by default.
  * add: Add wav16 and sln16 support.
  * mod: Allows to use one free port with an invalid key.
  * mod: Correction to avoid sending grammar actions without finishing the playlist queue.
  * add: Asterisk 14 support.
  * mod: Disable the POST continue for the TTS requests by default.
  * mod: Correction to fully support the POST continue to pass HTTP1.0 proxies.
  * add: Integration of the TTS Microsoft Bing Voice Output API.
  * add: Integration of the VoiceRSS Cloud Text-to-Speech API.
  * mod: Enable to start without configuration file, with defaults parameters.
  * mod: Change log directory to /var/log/voximal.
  * mod: Change cache directory to /var/cache/voximal.
  * add: Support of NLSML answers from Telisma ASR engine.
  * add: Option unimrcp to start unimrcpserver, as voximald.
  * add: Option cacheclear to clear the cache directories at startup.
  * add: Integration of the CereProc Cloud Text-to-Speech API.
  * add: Support ogg format (Vorbis OGG 8kHz).
  * add: Add max retries to avoid to disable the license immediately.
  * mod: Correction in the number and accurency DMTF builtin grammars.
  * mod: Correction to not inspect the tags with DTMF grammars.
  * add: Support sln format (PCM 16bit 8kHz Raw).
  * add: Add a parameter to use CALLERID with originate.
  * mod: Correction to parse the cookies parameter 'secure' and 'httponly'.
  * mod: Correction for MRCPsynth using without cache.
  * mod: Correction to allow VoiceXML execution after throwing the event disconnect.
  * add: Added mrcpsynthparams for accounts too.
  * add: Integration of the Voxygen Cloud hosted.
  * add: Clean text results from Loquendo ASR (speechclean parameter removes spaces and CR).
  * mod: Correction to catch and process the error.grammar events.
  * mod: Correction to support alternate prompt using <value>.
  * add: Refund to use functions, names and directories based on voximal.
  * add: Integration of the SpeechAAS TTS hosted.
  * add: Json HTTP/POST request support (with enctype="application/json")
  * mod: Set the Speech-Language property of the uniMRCP (for builtins grammars).
  * add: Auto-extend threads in the interpreter if needed.
  * add: Start the interpreter from the Asterisk module.
  * add: Remote License System integration.
  * mod: Correction to support https:// uri as Vxml() parameter.