QTel Dialer

QTel Dialer is a very useful mobile application that enables users to make VoIP calls from their mobile devices to anywhere around the world. Call connections are established on the end party mobile devices even though they don’t have this application installed and that’s what makes it so special.

Users can have a great time exploring different call features of the app and get benefited in the form of seamless VoIP calling even in low bandwidth areas.

Features:

1. VoIP incoming and outgoing call via GPRS/3G/3.5G/4G or WiFi data service

2. Supported codec: G.729

3. It works behind NAT and can bypass any Firewall.

4. Low bandwidth consumption by customized byte saver solution

5. Automatic echo cancellation technique

6. Synchronization with phone contact

7. On screen call time display

8. On screen balance display

9. On screen last call time display

10. Call log of incoming and outgoing calls and, can make call from that log

11. DTMF support (RFC 2833, SIP Info)

12. PLC (Packet Loss Concealment) and VAD (Voice Activity Detection) implemented

13. Works with or without byte saver solution

14. User panel with login details for service providers. Service providers can see from which country and mobile operator (for GPRS/3G) users are registered.

15. Single customized solution based on different mobile network/data service