Patent ID: 8032165
Filing Date: 2011-10-04
Classification: H04L,H04W

Abstract:
1. A method of providing enterprise instant messaging (IM) service for a mobile station through a mobile wireless communication network, the method comprising: receiving a request for enterprise service from the mobile station, in an IM service control element of the mobile wireless communication network; determining whether the mobile station is authorized to utilize the enterprise IM service through the mobile communication network; in response to a determination that the mobile station is authorized to utilize the enterprise IM service through the mobile communication network, encrypting and forwarding login information of a user of the mobile station to an IM server of one of a plurality of enterprise communities served through the mobile wireless communication network for enterprise validation of user authentication; receiving an indication of successful validation of the user of the mobile station from the IM server, and in response, providing a key of the IM service control element of the mobile wireless communication network to the mobile station for use in encrypted communication of a security key of the mobile station through the mobile wireless communication network to the IM server as part of a login of the mobile station with the IM server; and transporting encrypted communications of IM messages through the mobile wireless communication network at least between the mobile station and the IM server, wherein at least one of the communications of IM messages is encrypted with the security key of the mobile station.