Patent ID: 8175580
Filing Date: 2012-05-08
Classification: H04L,H04W

Abstract:
1. A method for establishing a secure communications link from a first wireless communications station through a wireless communications network to a recipient communications station, comprising: enabling the first wireless communications station and a plurality of additional wireless communications stations to encrypt communications according to a single corporate information technology security policy; configuring the wireless communications network to route calls received from the first wireless communications station to a proxy base station; receiving, at the proxy base station via the wireless communications network, a call from the first wireless communications station directed to the recipient communications station; determining whether the recipient communications station is one of the plurality of additional wireless communications stations; if the recipient communications station is one of the plurality of additional wireless communications stations, then establishing through the wireless communications network an encrypted communications session, according to the corporate information technology security policy, between the first wireless communications station and the recipient communications station; and if the recipient communications station is not one of the plurality of additional wireless communications stations, then identifying, based on a measure of security, a most secure communications channel between the proxy base station and the recipient communications station; and establishing the secure communications link from the first wireless communications station to the recipient communications station, the secure communications link comprising the most secure channel between the proxy base station and the recipient communication station; further comprising comparing the call from the first wireless communications station directed to the recipient communications station with employees' travel schedules to detect malicious behavior.