A communication
network switch system, comprising: a first phone number
database accessed by a
cable telephony network service provider; a second phone number
database accessed by an
internet service provider; a plurality of communication
network switch devices conducting audio and / or data communications therebetween through a
cable telephony network or an internet, the communication
network switch devices switching audio and / or data communications between the
cable telephony network or an internet
telephony system and a short-range
wireless communication network; and a plurality of mobile communication devices each of which including a long-range
wireless network
system transceiver module, a short-range
wireless network system
transceiver module and a switch device module. The communication network switch device includes a short-range wireless communication network
transceiver module, a cable
telephony network transceiver module, an internet
telephony system drive module, a first switch module and a second switch module. The first switch module of the communication network switch device stores a communication number of a long-range wireless communication network of the mobile
communication device and an assigned phone number of the switch device module in the cable telephony network in the first phone number
database. The second switch module of the communication network switch device stores a communication number of a long-range wireless communication network of the mobile
communication device and an
IP address of the second switch module in the second phone number database.