Information & Communication Technologies


Advances in Internet Protocols for Communications--Session Initiation Protocol (SIP) (Technical Insights)

This research service discusses the research developments and emerging opportunities in the Session Initiation Protocol worldwide. The sectors profiled include Enterprise Communication, Mobile Communication, Internet Telephony, and Networked Gaming.
Published: 30 Dec 2004

The following technologies are covered in this research:

  • Presence: The ability to publish one’s availability status and get subscribed to another’s status and be notified when it changes.
  • Click-to-Call: The ability to initiate a telephonic call to a preferred destination by just clicking on a hyperlink.
  • Dual-mode Device: A phone, which acts as a Wi-Fi device inside a Wi-Fi hotspot, and as an ordinary cell phone outside the hotspot.
  • Average Revenue per User (ARPU): A measure of the average monthly revenue generated from a customer unit for a particular carrier.

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