Send free messages as well as make free calls to other Viber users, on any device and network, in any country.
Develop SIP based Web phone with your own GUI and brand.
Create and manage call conferences on Windows PC.
Record multiple audio channels simultaneously.
Make free USA/Canada calls on PC and Android devices using Google Voice and IPKALL.
Use your PC for calls, voicemail, email, and chat.
Record, track, and archive phone calls and extend your office application.
Make calls over the Internet directly from your PC.
Block microphone noise.
Connect SIP protocol VoIP calls to the Skype network and visa versa.
