The app, called Line2, is already
available for the iPhone and is promoted as the only VoIP smartphone app that
operates over Wi-Fi, 3G/4G cellular data networks, and circuit-switched
cellular voice networks using the same phone number.
The app serves multiple purposes.
It's designed for consumers who want to reduce their cellphone voice-calling
charges, add a second phone number to their smartphone, or turn a Wi-Fi or
3G/4G-enabled tablet into a phone,
It can also be used to place or
receive Wi-Fi calls when cellular service is unavailable, place and receive
Wi-Fi calls while overseas without incurring cellular roaming charges, and
place or receive unlimited Wi-Fi calls to and from to any other Line2 user
anywhere in the world, the company said.
If a reliable Wi-Fi or
cellular-data connection is not available, the Line2 app will use the phone's
cellular voice line to send or receive calls.
Line2 is a free download that offers
30 days of free service. After that, service costs $9.95/month for unlimited U.S.
and Canada calling and texting. Calls to international numbers start at 2 cents
per minute whether a call is placed from the U.S. or abroad.
Line2 for Android includes the
functionality and features currently available to Apple iOS users but adds a
few extra features, such as speech-to-text conversion to input a text message
Toktumi is a provider of hosted PBX
phone services for small businesses and mobile VoIP solutions for business
users and consumers.