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Conferencing API Programming Guide — August 2006 9
1
1.Product Description
This chapter provides an overview of the conferencing library. Topics include:
• Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
• Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
• Understanding How Conferences are Formed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
• Relationship with Other Libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.1 Overview
The conferencing (CNF) software supports development of conferencing applications on Intel
NetStructure
®
Host Media Processing software. The conference can take place over an IP network
and/or over traditional PSTN lines.
Intel NetStructure
®
Host Media Processing (HMP) software performs media processing tasks on
general-purpose servers based on Intel architecture without the need for specialized hardware.
When installed on a system, HMP performs like a virtual DM3 board to the customer application,
but all media processing takes place on the host processor. In this document, the term “board”
represents the virtual DM3 board.
Note: This conferencing (CNF) API is distinct from and incompatible with the conferencing (CNF) API
that was previously released in Intel® Dialogic® System Release 6.0 on PCI for Windows.
1.2 Key Features
Key features of the conferencing (CNF) software include the following:
Asynchronous programming model support
This model enables multiple channels to be handled in a single process and supports higher
density conferencing solutions.
Support for conferees from multiple sources
Participants in a conference may come from a variety of sources, such as a voice device and an
IP media device. The software is designed for flexibility to grow and support additional
sources.
Conference bridging
Multiple conferences can be bridged together so that all parties (also called conferees) in two
or more established conferences can communicate with one another.
Coach/pupil feature
Two selected parties can establish a private communication link within the overall conference.
The coach is a private member of the conference and is only heard by the pupil. However, the
pupil cannot speak privately with the coach.