When you receive an incoming call to your phone number, your other telephones (cell, home phone, car phone) will ring as well and the first one answered will be connected to the caller. Basically the call will be routed to all phone sets, which you will list in simultaneous ring option.
Gridare.com provides businesses with hosted PBX solutions complete with time based routing, flexible call rules and competitive call rates. We also offer cost effective 1300 and 1800 numbers.