Patent ID: 8064480

Claim:
A method for providing interoperability for a mobile subscriber unit (MSU), employing a first protocol, with a packet-data subsystem operating at a second protocol in a communication network, the method comprising: determining that the first protocol employed by the MSU is different from the second protocol operated by the packet-data subsystem; creating a context information for the MSU when the determined first protocol is different from the second protocol; determining a header associated with the second protocol based on the created context information; receiving at least one data packet associated with the first protocol from the MSU in response to the determination of the header associated with the second protocol; encapsulating the at least one data packet with the determined header associated with the second protocol; and transmitting the at least one encapsulated data packet to the communication network through a context manager; wherein the first protocol includes at least one protocol that is based on common air interface (CAI) and the second protocol includes sub network dependent convergence protocol (SNDCP); and wherein the CAI comprises a simple common air interface encapsulation protocol (SCEP).