Join Express is a VoIP client for Android. It works over Wi-Fi, 3G or EDGE. Support for high quality g729 and g722 codecs. Join Express pass trough mechanism delivers VoIP services even in blocked areas. NOTE: AN OPERATOR CODE IS REQUIRED, THE APPLICATION WORKS ONLY WITH ASSOCIATED PROVIDERS....
Free hosted PBX account for your company. Free voice and video calls among Calltopbx users and extensions. Free text messaging. Cheap rates for calling out.
Vippie is a fresh mobile app for free communication between users
Generic SIP video client, can work with any SIP server. AMR WB/NB, g729, g722, Speex, h264 (up to VGA), h263 codecs included. Support for WIFI and Edge/3G. 3 way call conference, blind and attended call transfer. Integrated contacts. XMPP instant messaging. Facebook and Gmail chat. HD audio...