Patent ID: 8689301
Filing Date: 2014-04-01
Classification: H04L

Abstract:
1. A method of authenticating SIP signaling comprising: in response to a first request of a client on a communication connection to initiate a voice call over the communication connection, authenticating the client and associating the client, in a record, with a first identifier for the connection included in the first request; in response to at least one second request of the client on the connection and subsequent to the first request, forbearing from authenticating the client, wherein forbearing from authenticating the client comprises determining, based on the record, whether a second identifier for the connection included in the second request matches the first identifier and forbearing from authenticating the client in response to determining that the second identifier matches the first identifier; and in response to a third request of the client on the connection and subsequent to the at least one second request, authenticating the client, wherein authenticating the client comprises determining, based on the record, whether a third identifier for the connection in the third request does not match the first identifier and authenticating the client in response to determining that the third identifier does not match the first identifier.