
20 Chapter 1 Introduction
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• Increased customer satisfaction. Breakthrough e-business applications help deliver the
top-flight customer service that leads to success. By providing your customers with rapid
access to sales and support personnel via telephone, the Web, and e-mail, your business can
provide better customer service than ever before.
IP telephones and VoIP trunks
This section describes two similar applications for IP telephony on the Business Communications
Manager 3.0 system: IP telephones and VoIP trunks. These applications can be used separately or
together as a network voice/data solution.
• “IP telephones” on page 20
• “VoIP trunks” on page 20
IP telephones
IP telephones offer the functionality of regular telephones, but do not require a hardwire
connection to the Business Communications Manager. Instead, they must be plugged into an IP
network which is connected to the LAN or WAN card on the Business Communications Manager
3.0.
Calls made from IP telephones through the Business Communications Manager can pass over
VoIP trunks or across a Public Switched Telephone Network (PSTN).
Nortel Networks provides two types of IP telephones. The IP telephones are wired to the IP
network using Ethernet, in the case of the i2002 and the i2004, or are accessed through your
desktop or lap top computer, as in the case of the Nortel Networks i2050 Software Phone.
Emobility voice can be provided using Symbol
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NetVision
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or NetVision Data telephones, which
connect through an access point wired to an IP network configured on the LAN. NetVision
telephones use an extended version of the H.323 protocol to connect to the system.
VoIP trunks
VoIP trunks allow voice signals to travel across IP networks. A gateway within the Business
Communications Manager 3.0 converts the voice signal into IP packets, which are then transmitted
through the IP network to a gateway on the remote system. The device at the other end
reassembles the packets into a voice signal. BCM, ITG (Meridian), and NetMeeting are devices
that can use the H.323 protocol trunks which the 3.0 Business Communications Manager system
supports.
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