Method for retrieving and delivering multimedia messages using the session initiation protocol

US7574203B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Josef Laumen · Hildesheim, DE
• Sabine Van Niekerk · Salzgitter, DE

Key dates

• Filing date: Nov 6, 2003
• Grant date: Aug 11, 2009
• Expiry date: Aug 5, 2025

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04W80/10
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

A method for retrieving an MMS message, to be executed at an MMS User Agent, involves: generating an MMS subscription request; sending said MMS subscription request to an MMS server; receiving an MMS notification of an MMS message from the MMS server; in response to receiving said MMS notification, generating an MMS message retrieval request for retrieving said MMS message; sending said MMS message retrieval request to the MMS Server; receiving an MMS message retrieval comprising said MMS message; and in response to receiving said MMS message retrieval from the MMS Server, sending an acknowledgment to the MMS Server. herein the improvement is that: The MMS subscription request is sent using a SIP method SUBSCRIBE. The MMS notification is received using a SIP method NOTIFY. The MMS message retrieval request is sent using a SIP method FETCH. The acknowledgment is sent using a SIP method INFORM.