M-Numbers

MNumbers is a VoIP app-based service that lets you subscribe to virtual phone numbers to use as additional lines on your existing smartphone. This VoIP Application solution enables you to make and receive calls and texts from any of these virtual numbers, all on one device. There's no need for extra SIM cards, and you can switch between numbers as desired. MNumbers offers the following VoIP functionalities and features:

-Choose a US number from any area code.
-Make and receive calls on your virtual numbers.
-Send and receive SMS.
-Send and receive MMS (available for US and Canadian numbers).
-View message history.
-Voicemail.
-Select a number from the list of available options.
-Access and synchronize your contacts list with the app.

-Business features:
-Call hold
-Call record
-Call transfer
-Conference call (up to 3 parties)