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.
MySipProvider is an Italian SIP traffic provider. We provide Wholesale A-Z with CLI. Our main target is business customer. Our company running since 2010 with 300 customers and 80 vendors.