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https://github.com/jitsi/jigasi

Jigasi: a server-side application acting as a gateway to Jitsi Meet conferences. Currently allows regular SIP clients to join meetings and provides transcription capabilities.
https://github.com/jitsi/jigasi

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Jigasi: a server-side application acting as a gateway to Jitsi Meet conferences. Currently allows regular SIP clients to join meetings and provides transcription capabilities.

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README 

        
Jigasi

======



Jitsi Gateway to SIP : a server-side application that links allows regular SIP clients to join Jitsi Meet conferences hosted by Jitsi Videobridge.



Install and run

============



It is possible to install Jigasi along with Jitsi Meet using our [quick install instructions] or do this from sources using the instructions below.



[quick install instructions]: https://github.com/jitsi/jitsi-meet/blob/master/doc/quick-install.md



1. Checkout latest source:

 

 ```

 git clone https://github.com/jitsi/jigasi.git

 ```

2. Build:



 ```

 cd jigasi

 mvn install -Dassembly.skipAssembly=false

 ```



3. Extract - choose either `jigasi-linux-x64-{version}.zip`, `jigasi-linux-x86-{version}.zip` or `jigasi-macosx-{version}.zip` based on the system.



 ```

 cd target/

 unzip jigasi-{os-version}-{version}.zip

 ```



4. Configure a muc component in your XMPP server that will be used for the brewery rooms. If your server is Prosody: edit /etc/prosody/prosody.cfg.lua or the appropriate file in /etc/prosody/conf.d and append following lines to your config (assuming that domain 'meet.example.com'):



 ```

Component "internal.auth.meet.example.com" "muc"

    storage = "memory"

    modules_enabled = {

      "ping";

    }

    admins = { "[email protected]", "[email protected]" }

    muc_room_locking = false

    muc_room_default_public_jids = true 

 ```



5. Setup SIP account



 Go to jigasi/jigasi-home and edit sip-communicator.properties file. Replace ```<>``` tag with SIP username for example: "[email protected]". Then put Base64 encoded password in place of ```<>```.



6. Setup the xmpp account for jigasi control room (brewery).

    prosodyctl register jigasi auth.meet.example.com topsecret

    Replace ```<>``` tag with Base64 encoded password (topsecret) in the sip-communicator.properties file.



6. Start Jigasi

 

 ```

 cd jigasi/target/jigasi-{os-version}-{version}/

 ./jigasi.sh

 ```

After Jigasi is started it will register to the XMPP server and connect to the brewery room.



How it works

============



Jigasi registers as a SIP client and can be called or be used by Jitsi Meet to make outgoing calls. Jigasi is NOT a SIP server. It is just a connector that allows SIP servers and B2BUAs to connect to Jitsi Meet. It handles the XMPP signaling, ICE, DTLS/SRTP termination and multiple-SSRC handling for them.



Outgoing calls

==============



To call someone from Jitsi Meet application, Jigasi must be configured and started like described in the 'Install and run' section. From the invite dialog from the Participants pane you can invite (dial-out) telephone participants.



Incoming calls

==============



Jigasi will register on your SIP server with some identity and it will accept calls. When Jigasi is called, it expects to find a 'Jitsi-Conference-Room' header in the invite with the name of the Jitsi Meet conference the call is to be patched through to. If no header is present it will join the room specified under 'org.jitsi.jigasi.DEFAULT_JVB_ROOM_NAME' config property. In order to change it, edit 'jigasi-home/sipcommunciator.properties' file.



Example:



Received SIP INVITE with room header 'Jitsi-Conference-Room': '[email protected]"' will cause Jigasi to join the conference 'https://meet.example.com/room1234' (assuming that our domain is 'meet.example.com').



Configuring SIP and Transcription

=======================================



It is possible to either enable or disable the functionality of SIP and 

transcription. By default, the properties 

`org.jitsi.jigasi.ENABLE_TRANSCRIPTION=false` 

and 

`org.jitsi.jigasi.ENABLE_SIP=true` 

in

`jigasi-home/sip-communicator.properties` 

enable SIP and disable transcription. To change this, simple set the desired

property to `true` or `false`.



Using Jigasi to transcribe a Jitsi Meet conference

==================================================



It is also possible to use Jigasi as a provider of nearly real-time transcription

as well as translation while a conference is ongoing as well as serving a complete transcription

after the conference is over. This can be done by using the `Subtitles` button from the menu in jitsi-meet.



Currently, Jigasi can send speech-to-text results to jitsi-meet as either plain text or JSON. If it's send as JSON,

Jitsi Meet will provide subtitles in the video, while plain text

will just be posted in the chat. Jigasi will also provide a link to where the final, 

complete transcript will be served when it enters the room if that is configured.



To configure jigasi as a transcriber in a meeting, you will need to have it log

in with a specific domain that is set as hidden in jitsi-meet config.

In prosody config (/etc/prosody/conf.d/meet.example.com.cfg.lua) you need to have: 



```

VirtualHost "recorder.meet.example.com"

  modules_enabled = {

    "ping";

  }

  authentication = "internal_hashed"

```



Restart prosody if you have added the virtual host config and then create the transcriber account:



```

prosodyctl register transcriber recorder.yourdomain.com jigasirecorderexamplepass

```



Edit the `/etc/jitsi/meet/meet.example.com-config.js` file, add/set the following:



```

config.hiddenDomain = "recorder.meet.example.com";

config.transcription = { enabled: true };

```



And in jigasi config (`/etc/jitsi/jigasi/sip-communicator.properties`):



```

org.jitsi.jigasi.ENABLE_SIP=false

org.jitsi.jigasi.ENABLE_TRANSCRIPTION=true

org.jitsi.jigasi.xmpp.acc.USER_ID=transcriber@recorder.meet.example.com

org.jitsi.jigasi.xmpp.acc.PASS=jigasirecorderexamplepass

org.jitsi.jigasi.xmpp.acc.ANONYMOUS_AUTH=false

org.jitsi.jigasi.xmpp.acc.ALLOW_NON_SECURE=true

```



Configure a transcription provider(Google, Vosk etc.) and restart jigasi.



Jigasi supports multiple transcription services, including Google Cloud speech-to-text

API, Vosk speech recognition server, a custom flavor of Whisper

and Oracle Cloud AI Speech.



Google configuration for transcription

====================



For Jigasi to act as a transcriber, it sends the audio of all participants in the

room to an external speech-to-text service. To use [Google Cloud speech-to-text API](https://cloud.google.com/speech/)

it is required to install the [Google Cloud SDK](https://cloud.google.com/sdk/docs/)

on the machine running Jigasi. To install on a regular debian/ubuntu environment:



```

curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /usr/share/keyrings/cloud.google.gpg

echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list

sudo apt-get update && sudo apt-get install google-cloud-cli



gcloud init

gcloud auth application-default login

```



You will generate a file used for authentication of Google cloud api in Jigasi. You will see a result like:

`Credentials saved to file: [/root/.config/gcloud/application_default_credentials.json]`



Move the file to Jigasi config and change its permissions:



```

mv /root/.config/gcloud/application_default_credentials.json /etc/jitsi/jigasi

chown jigasi:jitsi /etc/jitsi/jigasi/application_default_credentials.json

```



In the file `/etc/jitsi/jigasi/config` add at the end:



```

# Credential for Google Cloud Speech API

GOOGLE_APPLICATION_CREDENTIALS=/etc/jitsi/jigasi/application_default_credentials.json

```



and restart Jigasi.



Vosk configuration for transcription

==================



To use [Vosk speech recognition server](https://github.com/alphacep/vosk-server)

start the server with a docker:



```

docker run -d -p 2700:2700 alphacep/kaldi-en:latest

```



Then configure the transcription class with the following property in `/etc/jitsi/jigasi/sip-communicator.properties`:



```

org.jitsi.jigasi.transcription.customService=org.jitsi.jigasi.transcription.VoskTranscriptionService

```



Finally, configure the websocket URL of the VOSK service in `/etc/jitsi/jigasi/sip-communicator.properties`:



If you only have one instance of VOSK server:



```

org.jitsi.jigasi.transcription.vosk.websocket_url=ws://localhost:2700

```



If you have multiple instances of VOSK for transcribing different languages, configure

the URLs of different VOSK instances in JSON format:

```

# org.jitsi.jigasi.transcription.vosk.websocket_url={"en": "ws://localhost:2700", "fr": "ws://localhost:2710"}

```



Whisper configuration for transcription

==================



If you plan to use our own flavor of Whisper (check [jitsi/skynet](https://github.com/jitsi/skynet)), start by 

configuring the following properties in `/etc/jitsi/jigasi/sip-communicator.properties`:



```

org.jitsi.jigasi.transcription.customService=org.jitsi.jigasi.transcription.WhisperTranscriptionService

org.jitsi.jigasi.transcription.whisper.websocket_url=wss://:<>

```



If you also plan to enable the ASAP authentication, have a look at the 

[documentation](https://github.com/jitsi/skynet/blob/master/docs/streaming_whisper_module.md) and at the properties 

in the transcription options section of this README.



Oracle Cloud AI Speech configuration for transcription

==================



To use [Oracle Cloud AI Speech](https://docs.oracle.com/en-us/iaas/Content/speech/home.htm), you need to configure the 

following properties in `/etc/jitsi/jigasi/sip-communicator.properties`:



```

org.jitsi.jigasi.transcription.customService=org.jitsi.jigasi.transcription.OracleTranscriptionService

org.jitsi.jigasi.transcription.oci.websocketUrl=wss://realtime.aiservice-<>.<>.oci.oraclecloud.com

```



You also need to place valid OCI credentials under `/usr/share/jigasi/.oci`. Or point to a different location by setting 

the `OCI_CONFIG_FILE` environment variable.



LibreTranslate configuration for translation

==================



To use [LibreTranslate](https://github.com/LibreTranslate/LibreTranslate)

for translation, configure the following properties in `/etc/jitsi/jigasi/sip-communicator.properties`:



```

org.jitsi.jigasi.transcription.translationService=org.jitsi.jigasi.transcription.LibreTranslateTranslationService

org.jitsi.jigasi.transcription.libreTranslate.api_url=http://localhost:5000/translate

```



Run the docker container along with Jigasi:

```

docker run -d -p 5000:5000 libretranslate/libretranslate

```

Note that by default, the LibreTranslate server downloads all language models

before starting to listen to requests. You may refer to the 

[documentation](https://github.com/LibreTranslate/LibreTranslate/blob/main/README.md)

to set up a volume or set the available languages to reduce download time.



Transcription options

=====================



There are several configuration options regarding transcription. These should

be placed in `/etc/jitsi/jigasi/sip-communicator.properties`. The default 

value will be used when the property is not set in the property file. A valid 

XMPP account must also be set to make Jigasi be able to join a conference room.



    

        Property name

        Default value

        Description

    

    

        org.jitsi.jigasi.transcription.DIRECTORY

        /var/lib/jigasi/transcripts

        The folder which will be used to store and serve the final 

            transcripts.

    

    

        org.jitsi.jigasi.transcription.BASE_URL

        http://localhost/

        The base URL which will be used to serve the final transcripts. 

            The URL used to serve a transcript will be this base appended by the

            filename of the transcript.

    

    

        org.jitsi.jigasi.transcription.jetty.port

        -1

        The port which will be used to serve the final transcripts. Its 

            default value is -1, which means the Jetty instance serving the 

            transcript files is turned off.

    

    

        org.jitsi.jigasi.transcription.ADVERTISE_URL

        false

        Whether to advertise the URL which will serve the final 

            transcript when Jigasi joins the room.

    

    

        org.jitsi.jigasi.transcription.SAVE_JSON

        false

        Whether to save the final transcript in JSON. Note that this

            format is not very human-readable.

    

    

        org.jitsi.jigasi.transcription.SAVE_TXT

        true

        Whether to save the final transcript in plain text.

    

    

        org.jitsi.jigasi.transcription.SEND_JSON

        true

        Whether to send results, when they come in, to the chatroom 

            in JSON. Note that this will result in subtitles being shown.

    

    

        org.jitsi.jigasi.transcription.SEND_TXT

        false

        Whether to send results, when they come in, to the chatroom 

            in plain text. Note that this will result in the chat being somewhat

            spammed.

    

    

        org.jitsi.jigasi.transcription.remoteTranscriptionConfigUrl

        

        

            Makes a GET request to https://YOUR-URL/tenant in order to retrieve which transcription service to use.

            It expects a JSON response with the transcriberType key set to one of the following values:

            GOOGLE, EGHT_WHISPER (see jitsi/skynet), 

            ORACLE_CLOUD_AI_SPEECH or VOSK. If the response is invalid or the request fails,

            it will try to use the value of org.jitsi.jigasi.transcription.customService. If no value is

            set, it will not make the request.

        

    

    

        org.jitsi.jigasi.transcription.remoteTranscriptionConfigUrl.key

        

        Base64 RSA256 private key to sign an ASAP JWT with when issuing the request above.

    

    

        org.jitsi.jigasi.transcription.remoteTranscriptionConfigUrl.kid

        

        The key's ID.

    

    

        org.jitsi.jigasi.transcription.remoteTranscriptionConfigUrl.aud

        

        The JWT audience.

    

    

        org.jitsi.jigasi.transcription.customService

        

        

            Which transcription service to use between GoogleCloudTranscriptionService, WhisperTranscriptionService 

            (see jitsi/skynet), OracleTranscriptionService and

            VoskTranscriptionService.

        

    

    

        org.jitsi.jigasi.transcription.google_model

        latest_long

        

            The model used by the Google speech-to-text API, check the available models 

            here.

        

    

    

        org.jitsi.jigasi.transcription.whisper.private_key

        

        

            A base64 RSA256 private key to sign an ASAP JWT with when 

            org.jitsi.jigasi.transcription.WhisperTranscriptionService is chosen.

        

    

    

        org.jitsi.jigasi.transcription.whisper.private_key_name

        

        The key ID for the org.jitsi.jigasi.transcription.WhisperTranscriptionService JWT.

    

    

        org.jitsi.jigasi.transcription.whisper.jwt_audience

        

        The audience for the org.jitsi.jigasi.transcription.WhisperTranscriptionService JWT.

    

    

        org.jitsi.jigasi.transcription.whisper.websocket_url

        ws://localhost:8000/ws

        

            The websocket URL for the org.jitsi.jigasi.transcription.WhisperTranscriptionService 

            transcription service.

        

    

    

        org.jitsi.jigasi.transcription.oci.websocketUrl

        

        

            The websocket url for the org.jitsi.jigasi.transcription.OracleTranscriptionService

            transcription service.

        

    

    

        org.jitsi.jigasi.transcription.oci.compartmentId

        

        

            The compartment ID for the org.jitsi.jigasi.transcription.OracleTranscriptionService 

            transcription service.

        

    



Call control MUCs (brewery)

=======================================



For outgoing calls jigasi by default configures using a control room called brewery(XMPP MUC).

To configure using MUCs you need to add an XMPP account that will be used to 

connect to the XMPP server and add the property 

`org.jitsi.jigasi.BREWERY_ENABLED=true`.

Here are example XMPP account properties:

```

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1=acc-xmpp-1

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.ACCOUNT_UID=Jabber:[email protected]

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.USER_ID=jigasi@auth.meet.example.com

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IS_SERVER_OVERRIDDEN=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.SERVER_ADDRESS=

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.SERVER_PORT=5222

#net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.BOSH_URL=https://xmpp_server_ip_address/http-bind

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.ALLOW_NON_SECURE=true

#base64 AES keyLength:256 or 128

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.PASSWORD=

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.AUTO_GENERATE_RESOURCE=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.RESOURCE_PRIORITY=30

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.KEEP_ALIVE_METHOD=XEP-0199

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.KEEP_ALIVE_INTERVAL=30

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.CALLING_DISABLED=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.JINGLE_NODES_ENABLED=false

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IS_CARBON_DISABLED=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.DEFAULT_ENCRYPTION=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IS_USE_ICE=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IS_ACCOUNT_DISABLED=false

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IS_PREFERRED_PROTOCOL=false

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.AUTO_DISCOVER_JINGLE_NODES=false

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.PROTOCOL=Jabber

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IS_USE_UPNP=false

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IM_DISABLED=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.SERVER_STORED_INFO_DISABLED=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.IS_FILE_TRANSFER_DISABLED=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.USE_DEFAULT_STUN_SERVER=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.ENCRYPTION_PROTOCOL.DTLS-SRTP=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.ENCRYPTION_PROTOCOL_STATUS.DTLS-SRTP=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.OVERRIDE_ENCODINGS=true

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.G722/8000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.GSM/8000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.H263-1998/90000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.H264/90000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.PCMA/8000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.PCMU/8000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.SILK/12000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.SILK/16000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.SILK/24000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.SILK/8000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.VP8/90000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.iLBC/8000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.opus/48000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.speex/16000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.speex/32000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.Encodings.speex/8000=0

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.BOSH_URL_PATTERN=https://{host}{subdomain}/http-bind?room={roomName}

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.DOMAIN_BASE=meet.example.com

net.java.sip.communicator.impl.protocol.jabber.acc-xmpp-1.BREWERY=JigasiBrewery@internal.auth.meet.example.com



```

The property `BOSH_URL_PATTERN` is the bosh URL that will be used from jigasi 

when a call on this account is received.



The value of `BREWERY` is the name of the brewery room where jigasi will connect.

That room needs to be configured in jicofo with the following property:

`org.jitsi.jicofo.jigasi.BREWERY=JigasiBrewery@internal.auth.meet.example.com` or in the new jicofo config:

`hocon -f /etc/jitsi/jicofo/jicofo.conf set jicofo.jigasi.brewery-jid '"[email protected]"'`

Where prosody needs to have a registered muc component: `internal.auth.meet.example.com`.



The configuration for the XMPP control MUCs that jigasi uses can be modified at 

run time using REST calls to `/configure/`.



# Adding an XMPP control MUC

A new XMPP control MUC can be added by posting a JSON which contains its configuration to `/configure/call-control-muc/add`:

```

{

  "id": "acc-xmpp-1",

  "ACCOUNT_UID":"Jabber:[email protected]@meet.example.com",

  "USER_ID":"[email protected]",

  "IS_SERVER_OVERRIDDEN":"true",

  .....

}

```



If a configuration with the specified ID already exists, the request will 

succeed (return 200), but the configuration will NOT be updated. If you need to 

update an existing configuration, you need to remove it first and then re-add it.



# Removing an XMPP control MUC.

An XMPP control MUC can be removed by posting a JSON which contains its ID 

to `/configure/call-control-muc/remove`:

```

{

  "id": "acc-xmpp-1"

}

```



The request will be successful (return 200) as long as the format of the JSON is 

as expected, and the connection was found and removed.