CELKONNECT is a Mobile VoIP dialer applicationthat allows to make VoIP calls from any of the Android devices andit uses 3G/Edge/Wi-Fi Internet connectivity.It is developed basedon the requirements of VoIP Providers business needs

Features :-
CELKONNECT uses SIP protocol based for signaling.
Supports G729,PCMU, PCMA codecs.
Runs Behind NAT or private IP.
User Friendly Interface.
Auto Sync of Balance.
Real Time Sip status messages.
Call History.
Address book integration.
Compatible with all sip standard switches.
It has very efficient implementation of jitter buffer to play voicesmoothly.
Silent suppression and comfort noise generation has been used toreduce the bandwidth usage, and this makes the dialer moreefficient in making VoIP calls.
Integrates with mobiles phonebook and auto detects (+) sign whencontact is picked from phonebook.