Voice Call

Voice Call dialer is a mobile application for making VoIP calls. It works based on SIP protocol and requires data service of GPRS/3G/4G or WiFi data connection.Features:1. VoIP incoming and outgoing call2. Support full functional pin to pin (SIP to SIP) call3. Can bypass any Firewall4. Low bandwidth consumption by customized byte saver solution5. Smart echo cancellation technique6. Derail call log of incoming and outgoing calls7. DTMF support 8. PLC (Packet Loss Concealment) and VAD (Voice Activity Detection) implemented