公开(公告)号：US20250159457A1

公开(公告)日：2025-05-15

申请号：US18509084

申请日：2023-11-14

Applicant: DISH Wireless L.L.C.

Inventor： Prakash Patel ,  Parthasarathi Tripathy

IPC: H04W8/04 ,  H04W4/14 ,  H04W8/12

Abstract: A cellular telecommunication system application server (AS), such as the short message service center (SMSC) or Multimedia Messaging Service Center (MMSC), obtains a cellular network subscriber UE location information from a Home Subscriber Server (HSS) of the cellular telecommunication system. The system determines whether the cellular network subscriber UE is roaming based on the UE location information obtained from the HSS. The system populates the location information obtained from the HSS into a call data record (CDR) of the UE and determines whether the cellular network subscriber UE is roaming based on the location information obtained from the HSS populated into the CDR. The system supports location-based services of the UE based on UE location information obtained from the HSS both while the UE is on a home cellular network and while the UE is roaming.