A less expensive call path is available by routing within the local Mobile Switching Center without going out to the global GMSC to its HLR . Both users are on the same network, so the international call remains within that company's network.
12.
Mobile Switching Center records demonstrated that Campbell's Rayleigh was false, and that Campbell's and Jones's mobile phones had been within the range of a single mobile phone mast at the time that a text message had allegedly been sent by Jones to Campbell.
13.
Winphoria is developing and hopes to start selling late this year a radically more efficient version of the mobile switching center that companies such as Verizon Wireless and Sprint PCS use to handle thousands of calls to and from cell phones in a given area.
