Vfone is an easy to use sip softphone with Audio&Video intercom features.

This app allows you to make and receive calls from anywhere.The app fully supports off-line push, allowing your device to be on standby when not in use and save battery life.

Functions include:
—make and receive calls
—monitor door phones (typically Akuvox Door Unit)
—open relay in talking page or monitor page
—send and receive text messages