Local traffic offload function with overloaded S5 and SGI interface

A private network Local Traffic Off-load (LTO) system comprising:

• a) a gateway configured to:
• i. communicate with a non-private network;
• ii. communicate with a BS/AP within a private network that is in wireless communication with a user equipment (UE);
• iii. detect a request by the UE for service from the non-private network;
• and
• iv. route the request for service from the BS/AP to the non-private network to allow the UE to register with the non-private network;
• and
• b) an LTO module coupled to the gateway, the LTO module configured to;
• i. receive packets from the gateway that were communicated to the gateway by the UE;
• ii. identify and maintain within the LTO module, an internet protocol (IP) address of the UE assigned by the non-private network;
• iii. recognize a Domain Name System (DNS) query originating from the UE is a request for access to services associated with the private network;
• iv. route the DNS query to the private network;
• v. receive from the private network a responsive IP address;
• vi. respond to the UE DNS request by providing the responsive IP address to the UE through the BS/AP;
• and
• vii. route to the private network, requests from the UE that:
• (1) have the responsive IP address;
• and (2) were received from the UE, as determined by the IP address of the UE assigned by the non-private network.