Based on Ozeki VOIP-SDK to build a softphone. To enable Audio layer on Rpi, and use USB mic.
No desktop GUI, only a service daemon, and simple web interface or API to make own on top.
Audio full duplex and video support as well.
As an option can consider an open source Linphone (or vaxvoip), if will run smooth and stable.
15 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön
I will deliver this in 1 day, built already for a job, we can have voice call on it today. I am Electrical + Software engineer with 18 years experience , I have built several audio video chat projects too in past.