Hi,
We have more than 12 years of experience in developing voip application. we have extensive experience with asterisk, freeswitch, freepbx, vicidial, ringcentral, webrtc, open sip. Recently we have deployed multi tenant call center solution with web absed predictive dialer and video conference option.
We have experinece on jitsi and provide service like installation jitsi, configuration of video conferencing and support.
It would be great if we can discuss further regarding project. Moreover if you have any query then feel free to ask.
Best Regards