System Architecture - Mitel 3300 ICP General Information Manual

3300 ICP General Information Guide

System Architecture

The 3300 ICP is built upon Mitel Networks Data Integrated Voice Applications™ architecture
delivering sophisticated call management, applications and desktop solutions for businesses. Mitel
Networks delivers a highly scalable robust call control that fully utilizes the power of IP while
recognizing the need to fully support traditional TDM based telephony for legacy devices and PSTN
connectivity.
Mitel Networks' architecture uses the IP network for connecting IP telephony devices and provides a
supplementary TDM (Time Division Multiplexing) subsystem for switching calls between traditional
telephone devices. The 3300 ICP has the advantage of being able to optimally switch all types of
traffic, IP or TDM. The 3300 ICP provides native call setup, tear down, and signaling between
Ethernet IP connected telephones. For traditional telephony, such as POTS and PSTN trunks, call
handling is also handled natively by the 3300ICP via a conventional TDM circuit-switched subsystem.
This ability to use two different switching techniques simultaneously means that
•
All traffic is switched with minimum conversion between packet and traditional telephony to
provide optimum voice quality in all call scenarios.
•
Embedded gateway functionality is only required between the IP and non-IP networks optimizing
the use of system resources.
•
Migration from traditional PBX to IP telephony is seamless and efficient.
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