Patent ID: 11895066
Assignee: T-MOBILE INNOVATIONS LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 10:
11. The method of claim 10, further comprising:
receiving the first URL and a third URL by the proxy server from a third message store in a third communication network;
creating a mapping from the third URL to the first URL by the proxy server;
storing the mapping from the third URL to the first URL by the proxy server;
receiving a second request for a file transfer by the proxy server from a second communication device engaged in a real-time chat session, wherein the request comprises the third URL;
in response to receiving the second request for the file transfer, looking up the first URL by the proxy server based on the third URL;
retrieving the file from the cache by the proxy server; and
returning the retrieved file by the proxy server to the second communication device engaged in the real-time chat session.