Patent ID: 7324459
Filing Date: 2008-01-29
Classification: H04L,H04W

Abstract:
1. A negotiation unit for operation in a communication system comprising a first communication unit that can transmit data to a second communication unit by means of a protocol the protocol being configured to negotiate a parameter for use in the operation of the protocol using at least one negotiation message, the negotiation unit being configured to store information on a criterion on the parameter and operable to intercept the at least one negotiation message, analyze the intercepted negotiation message and, if the message includes a value for the parameter a) check whether the stored criterion on the value is met, b) if the criterion is not met, modify the message to include a value for the parameter that meets the criterion and modify a check value of the message to be consistent with the content of the message as modified, and c) send the modified message towards said one recipient.