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NTC 360 Huffman_Telephone Systems

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Data and Telecommunications 1
Running header: TELEPHONE SYSTEMS
Current telephone systems at Huffman Trucking: The need for change
Team D: Paul Broleph II, James Mason, Detricia Coardes, Alexander Rodriguez,
Christopher Reese and Michelle Walker
University of Phoenix
NTC 360
Stephen Omogbehin
February 10, 2007

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Data and Telecommunications 2
Current Telephone Systems of Huffman Trucking
“Modern telecommunication has evolved from primitive fire signals to lightning-fast
global data exchange” (Dean, 2003, p. 7). Huffman Trucking utilizes a mismatched array of
telephone systems. Below is a list of the different locations and the telephone systems
implemented by each site (both the Plant and Office networks are included):
1. Los Angeles – Plant uses VoIP; Office uses PBX w/ no voicemail (POTS)
2. St. Louis – plant uses analog telephones connected to modems operating on a Token-
Ring network; Office uses Avaya Digital Phone System
3. New Jersey – Plant uses PBX telephone (POTS); Office uses PBX that is connected
in a bus topology (drawback is if a phone or other node goes down, the network
cannot communicate)
4. Cleveland - Plant uses Token-Ring connecting all aspects, including PCs and
telephones; Office uses an Avaya Digital Phone System utilizing a 10 Mb Hub.
A major drawback to the current situation of various telephone systems and telephone types is
the disruption of service because of atmospheric interferences, power outages, and central node
point-of-failure (Star networks suffer such outages).
Los Angeles utilizes a Voice over Internet Protocol (VoIP) network to connect all of its
telecommunications equipment, in the Plant environment. The efficiency of having a network
that incorporates both voice and data allows companies to offer improved services for both their
internal and external customers; however, the use of an AOL modem connection compromises
the amount of data and voice calls that may travel over the network. Bottlenecks and other issues
will occur on a VoIP network not containing at least Cat 5 cabling to connect all equipment to the
network. Call centers are a good place for the use of VoIP, because the network can pull up
customer information for a call center analyst just by the telephone number. This increased speed
allows the call center analyst to focus on the caller and route the call according to the needs of
the caller. An organization would have to examine each physical location’s connectivity device
(DSL or ISDN router). Once this is established, the same signaling and prioritization protocols as

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