iphone 6 network

Does not appear that the SIM card inserted in this the iPhone are supported.

The SIM card, which is currently installed in the iPhone this is one of the contacts is certified company within the framework of the activation policy, which is currently set by the activation server. This is not a problem in the iPhone device itself. Please enter the SIM card from another certified telecommunications company or request unlock the iPhone by the telecommunications company to have. For more information, please contact Apple.