JiGASi concurrent calls

Hi.
I would like to know if there is any documentation about how many instances of JIGASi do I need to have multiple concurrent calls? Is it like JVB or like JIBRI that needs a instace per room ?

If it is like JVB. How many calls supports one instance ? Is there any special configuration when having JITSI with multiple JVB ?

It supports multiple simultaneous calls per Jigasi instance. The number of calls a Jigasi instance can support depends on the specs of the system it’s running on & your specific config, you should benchmark with your actual Jigasi to plan your capacity.

Is there any special configuration when having JITSI with multiple JVB?

No.

Thanks for the info @jbg , is the same when using JIGASI to transcribe? It looks like as JIGASI participant joins the room to send data to Google Text to Speech. Is it like JIBRI that we need an instance per recoder or can we have the same JIGASI instance using multiple SIP calls and also perform transcribe at the same time?.

One Jigasi supports multiple calls, regardless of whether it is transcribing or bridging to SIP in those calls.