Patent ID: 8831597

Claim:
A method comprising: receiving an outgoing call request for a call to be placed from a calling mobile device to a receiving device, wherein the calling mobile device is operable in a non-Voice-Over-Internet-Protocol (VoIP) mode and a VoIP mode; determining a phone number associated with the calling mobile device when in the non-VoIP mode; prior to placing the call, receiving a selection of one of the non-VoIP mode or the VoIP mode from the calling mobile device; and when the selection specifies the VoIP mode: determining that the calling mobile device is authorized to use the phone number when in the non-VOIP mode; and in response to determining that the calling mobile device is authorized to use the phone number when in the non-VOIP mode, routing the outgoing call request to the receiving device in the VoIP mode including identifying the calling mobile device to the receiving device using the phone number associated with the calling mobile device when in the non-VoIP mode.