w-call

wificall is a smart mobile VoIP application designed for Android device users. Using this app, end users will be able to make high quality VoIP calls at low rates. The in-built technology of wificall allows it to process calls even in low bandwidth regions. End users who are vexed with call drops, jitter, and bandwidth issues can try wificall for a change and feel the difference. The mobile application becomes interesting with every use.
What’s in it?
In-built noise and echo cancellation system
SIP softswitch compatibility
Codecs: G729, PCMU, PCMA
Address book integration
NAT Traversal on Private IP
Real-time SIP status message
SIP signaling
Download calltopk on your favorite Android device and explore more features.