Methods, apparatus, and systems for accessing mobile and voice over IP telephone networks with a mobile handset

A system for accessing mobile and voice over Internet Protocol (VoIP) telephone networks with a mobile handset, comprising:

• a VoIP gateway for the VoIP telephone network;
• a local network for connecting the handset to the VoIP gateway;
• and
• a mobile handset enabled to determine whether the mobile handset is within range of the local network;
• wherein:
• if said handset is within the range of the local network, data traffic is routed to and from said handset via the VoIP telephone network;
• and
• if said handset is outside of the range of the local network, data traffic is routed to and from said handset via the mobile telephone network.

A mobile handset for accessing mobile and voice over Internet Protocol (VoIP) telephone networks, comprising:

• a rechargeable battery;
• a user interface;
• a gateway interface for communicating with a local network of a VoIP gateway of the VoIP telephone network;
• a transceiver enabled for communication with said mobile telephone network and said VoIP telephone network;
• a processor for determining whether the mobile handset is within range of the local network, wherein:
• if said handset is within the range of the local network, data traffic is routed to and from said handset via the VoIP telephone network;
• and
• if said handset is outside of the range of the local network, data traffic is routed to and from said handset via the mobile telephone network.