Patent ID: 11870601
Assignee: T-MOBILE USA, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 3:
4. A system, comprising:
one or more processors;
a memory storing components executable by the one or more processors to perform operations comprising:
receiving, from a session management function (SMF), a request for a policy corresponding to a session, the request comprising a first policy identifier corresponding to a first policy control function (PCF);
determining that the first PCF is unavailable;
generating a modified request by replacing the first policy identifier with a second policy identifier in the request, the second policy identifier corresponding to a second PCF;
transmitting, to the second PCF, the modified request;
receiving, from the second PCF, a response based on the modified request, the response comprising the second policy identifier;
generating a modified response by replacing the second policy identifier with the first policy identifier in the response; and
transmitting, to the SMF, the modified response.