ABB -Sip Softphone -VoIP Calls

Simple and User-Friendly Sip Phone. You Need to use Your own provider account to make calls using this App.

Features-

- Calling over wifi and mobile network.

- Supports the sending of DTMF.

- High performances.

-Crystal Clear Quality Voice even on a slow network.

-Background to always receive Calls.

-Multiple Codecs to support different network speeds.

-Modern user interface.