Patent ID: 9077566
Filing Date: 2015-07-07
Classification: H04L,H04M

Abstract:
1. A computer implemented method for authenticating caller identification in VoIP communication comprising configuring one or more processors to perform an operation, comprising: receiving an incoming call from an originating calling device; verifying that the caller identification in the received incoming call matches an entry in a trusted directory; upon verifying that the caller identification in the received incoming call matches a caller identification entry in the trusted directory, sending a call back to a unique locator associated with the matching caller identification in the trusted directory; sending a verification in response to the call back, wherein sending the verification includes: wherein the unique call session ID is created for the call invitation request, and wherein the call invitation request includes, within a session invitation protocol (SIP) extension, a call verification request parameter (CV REQUEST), a call verification response parameter (CV RESPONSE) that indicates whether or not the unique call session ID included in the call back matches the unique call session ID stored earlier, and a call verification session ID (CV SESSION ID) containing the unique call session ID.