Viatalk Plus

Viatalk Plus offers a simple user interface and superb audio quality for smooth Voice over IP experience.

Key features include:

- Bluetooth support.
- Lowest battery usage with highest reliability / stability on google play.
- Lowest latency of all android softphones.
- Excellent audio quality, even on older devices.
- Supports calling over WIFI/EDGE/3G/LTE
- SIP stack fully compliant to RFC.
- Background / multitasking support.
- Integration with the native android contact list
- Speakerphone mute and hold
- UDP and TCP transports (use TCP for better battery life!)
- Supports sending of DTMF
- DNS SRV
- Built-in echo cancellation
- STUN support
- call waiting