Advanced Data Communications Principles

Running head: ADVANCED DATA COMMUNICATIONS PRINCIPLES
Advanced Data Communications Principles
Name of the Student
Name of the University
Author’s Note

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ADVANCED DATA COMMUNICATIONS PRINCIPLES
Answer to Question 2:
Introduction
The report is prepared for a medium sized company that currently uses PBX technology for
communicating with the other branches and the clients and needs replace their existing network
with internet phone. A brief description of the existing technology and its pros and cons are
given in the report along with the description of the new technology and its pros and cons that
can be adopted for increasing the efficiency and performance of the current network.
Brief description of Technology
PBX
Private Branch Exchange is a private telephone network that is used by the company for making
internal and external communication with communication channels like VOIP, analog or ISDN
(Zanuttini et al., 2018). There are proprietary phones used in PBX that are reused with different
systems.
Pros
Infrastructure
It can run on cat3 or above cables and does not needs data
Simplicity
It has many functionalities that can make it productive but not many that can be used for
overwhelming the user
Reliability

2
ADVANCED DATA COMMUNICATIONS PRINCIPLES
The internet disruption cannot affect the quality issues on the call since traditional telephone
lines are used for making calls.
Cost
It cost less than the VOIP or hosted VOIP but it cannot provide the quality of service that is
provided by its superior.
Cons
Scalability and Expansion – For adding a new phone with the system a new port is required and
no port is available a card is needed to be installed. For the addition of the card a slot is
necessary in the cabinet and if there are no slots available in the cabinet and new cabinet is
needed to be installed.
Management - For the addition of new card or cabinet the business partner needs to make an
onsite visit and physically install the components.
VOIP Phone Systems
In this technology the voice is converted into data, packetized and transmitted over the data
network. It can be hosted or on premise and it is developed later than PBX and works on recent
technology and platform.
Pros
Scalability
It is a licensed based system and addition of new license causes access to more features and
extensions. It can thus help in growth of the organization and an ideal solution for the seasonal
business.