AT&T: Building a 'fully open' network

In the face of the climax of openness in mobile communications field掀起ed by Google and Verizon Wireless, AT&T, the top carrier in the US, was forced to make a statement. On Thursday, AT&T announced that its network would be open to GSM phones and various services sold by other companies, and the phones it sells could also be used for other networks. But AT&T emphasized that consumers are not allowed to use Apple phones on other networks.