Call One

Llame a uno es un teléfono basado en SIP para Android móvil para realizar llamadas VoIP

With its simple and intuitive user interface, Call One is the solution to making high quality calls for a fraction of the cost. Utilizing the latest advances in VoIP technology, you can be ensured that all your communications are secure and affordable.

• Call One is a SIP-based soft phone. You can call your friends and family from Call One with lowest international call rates! And very good quality.

Features

• SIP-based Softphone with exceptional voice quality

• Works from Wi-Fi/3G/4G/GSM

• Support for DTMF

• Easy contact book, call history.

In addition to your cost savings, we offers:

• Secure and reliable communication

• Compatible with VOIP switches supporting standard SIP

• Unique anti-block solution

• Option to brand own dialer

• Advance Echo Cancellation