Patent ID: 11863599
Assignee: T-MOBILE INNOVATIONS LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The method of claim 1 wherein:
the user information received by the user server comprises a trigger for inviting user authentication; and further comprising:
in response to the trigger and the API call, the user server retrieving the user authentication data for the inviting user from a wireless network element transferring the response that comprises the user authentication data for the inviting user to the TAS;
the TAS receiving the response and indicating the user authentication data for the inviting user to the CSCF;
the CSCF receiving the user authentication data for the inviting user and transferring the terminating SIP invite for delivery to the invited UE that has the user authentication data for the inviting user in the message header of the terminating SIP invite; and wherein:
the invited UE presents the user information that comprises the authentication data for the inviting user.