User Guide

Introduction
13
Introduction
The Nortel Mobile Communication Client (MCC) 3100 for Windows
Mobile Dual Mode is a Session Initiation Protocol (SIP) softphone that
provides consolidated voice and messaging services on dual-mode
(Wireless Fidelity [WiFi] and cellular) mobile handheld devices.
The MCC 3100 for Windows Mobile Dual Mode allows you to achieve
real-time communication with the Nortel Mobile Communication Gateway
(MGC) 3100 and Nortel Communication Server. The term Communication
Server means all communication servers that MCC 3100 supports. For
more information, see the MCC 3100 Product Bulletin.
The MCC 3100 extends the enterprise collaboration functionality to a
Windows Mobile Single Mode mobile device. For more information about
MCC 3100 Windows Mobile Single Mode, see Nortel Mobile
Communication Client 3100 for Windows Mobile Single Mode User Guide
(NN42030-107).
You can configure the MCC 3100 for Windows Mobile Dual Mode to
automatically select the best available network connection, either WiFi
(when available) or cellular. You can also manually specify a connection
whenever you use your device.
The MCC 3100 for Windows Mobile Dual Mode provides a wide range of
telephony and messaging features, which extend enterprise Private
Branch Exchange (PBX) functionality to mobile handheld devices.