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

Claim 10:
11. A wireless communication network to transfer user information from an inviting user to an invited user over Session Initiation Protocol (SIP), the wireless communication network comprising:
a user server configured to receive the user information transferred by an inviting User Equipment (UE) that characterizes the inviting user for presentation to the invited user;
a Call Session Control Function (CSCF) configured to receive an originating SIP invite generated by the inviting UE for the invited user and forward the originating SIP invite to a Telephony Application Server (TAS);
the TAS configured to receive the originating SIP invite from the CSCF and responsively transfer an Application Programming Interface (API) call that comprises identifiers for the inviting user, the invited user, and a session type to the user server to obtain the user information for presentation to the invited user;
the user server configured to receive API call, retrieve the user information based on the identifiers for the inviting user, the invited user, and the session type, and transfer a response to the TAS that indicates the user information from the inviting user for the invited user;
the TAS configured to receive the response, indicate the user information to the CSCF, and direct the CSCF to transfer a terminating SIP invite from the inviting user to an invited UE; and
the CSCF configured to receive the user information and transfer the terminating SIP invite for delivery to the invited UE that has the user information in a message header of the terminating SIP invite, wherein the invited UE receives one of the terminating SIP invite or a version of the terminating SIP invite and responsively presents the user information from the inviting user to the invited user.