Aseer Dialer application is offer best quality VoIP calls.This will work in all Android enabled devices with internet connectivity via 3G/Edge/Wi-Fi.This application is designed to give an edge for VoIP Providers in improving their customer base. Key Features: No call disconnection in limited bandwidth Supports G729 Loud Speaker SIP based protocol for Signaling Screen display for your call history, call timer and balance Automatic Balance Syncing Advance Echo Cancellation Auto detection of contacts picked from phone book