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SIP-based instant messaging (IM) is currently a quite hot issue in the SIP world. Two approaches, pager-mode IM and session-mode IM, have been explored for implementation. This paper provides an in-depth analysis of the first method through an example, and makes improvement to the second by presenting specific signaling and media messages. Solutions to security problems are also discussed in detail...
Using communication services like voice services, chat services and web 2.0 technologies (wikis, blogs, etc) are a common part of everyday life in a personal or business context. These communication services typically authenticate participants. Identities identify the communication peer to users of the service or to the service itself. Calling line identification used in the Session Initiation Protocol...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.