The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Jul. 10, 2024
Ofinno, Llc, Reston, VA (US);
Weihua Qiao, Herndon, VA (US);
Esmael Hejazi Dinan, McLean, VA (US);
Kyungmin Park, Vienna, VA (US);
Jinsook Ryu, Oakton, VA (US);
Peyman Talebi Fard, Vienna, VA (US);
Taehun Kim, Fairfax, VA (US);
Ofinno, LLC, Reston, VA (US);
Abstract
A user plane function (UPF) receives, from a control plane function (CPF), a request to establish a layer 2 tunneling protocol (L2TP) tunnel for a first protocol data unit (PDU) session of a wireless device. The UPF sends, to the CPF, a message comprising a tunnel failure cause for the establishment of the L2TP tunnel for the first PDU session. The message indicating at least one of a L2TP tunnel failure of the L2TP tunnel, or a L2TP session failure associated with the L2TP tunnel.