In this research work, we identify the key issues to improve the existing protocols in IMS for better system behaviour. The work is centred on the three services of IMS: (1) Presence Service, (2) Push-to-Talk over cellular and, (3) Instant Messaging and over the issue of (4) IMS session set up.
Year Manuscript Completed
Computer Science (0984)
Mobile communication systems, Wireless communication systems, Internet telephony
Primary Language of Manuscript