Vodia Networks is described as 'Vodia Phone app is a free add-on for your Vodia PBX that lets you connect to your account on your Vodia PBX. Starting with Android 5.0 Lollipop, based on the WebRTC technology'. There are more than 25 alternatives to Vodia Networks for a variety of platforms, including Linux, Windows, Mac, Online / Web-based and Android. The best alternative is MicroSIP, which is both free and Open Source. Other great apps like Vodia Networks are Asterisk (Free, Open Source), YakYak (Free, Open Source), 3CX Phone System (Freemium) and Facechat (Free).
Paltalk is an instant messaging service that enables users to communicate via internet chat, voice and video chat. It offers chat rooms and the ability for users to create their own public virtual chat room.
Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be purchased.