Enhanced Network Selection


Enhanced Network Selection extends GSM by making it possible for a GSM cellular device to be "homed" OTA to different networks. This made it possible for Cingular Wireless, while it was still operating two networks post merger with AT&T Wireless, to "home" a given cellular device to either the "orange" or "blue" network. That can improve performance for certain customers because without ENS a GSM device will only select a non-home network when a "usable" home network signal doesn't exist, even when a non-home network has a better signal or when the home network has no available capacity.
For ENS to work, both an ENS-capable device and an ENS SIM are needed.
Cingular states that any device to be activated in excess of 10000 quantity is required to support ENS.