Di�erent people and businesses have varying needs. Choose a phone system that suits your needs.

Known as Plain Old Telephone System (POTS)

A type of digital telephony that uses the Internet Protocol (IP).

Proprietary to the PBX.

Hold, mute, redial, speed dial, 3-way call, transfer calls

Basic features + advanced features (Virtual auto attendants, Voicemail, Call

forward, Conference Call, CRM integration)

Analog basic features + LCD display + caller ID + soft keys appearance

Inexpensive to purchase.Expensive to expand and to make

international calls.

Initial spending is expensive.Call rates are lower or free because it

uses the Internet

Lower upfront costs. Expensive to expand and to make international calls.

1876 by Alexander Graham Bell Developed in 1995Late 1970s

More stable in quality of service. Una�ected by bandwidth.

Bandwidth is shared amongst computers and phones.

Use less bandwidth.

Changing the location of an extension requires rewiring by a professional.

Moving a phone is simply a matter of physically moving a phone to another

connection, and the phone number follows automatically.

Transferring phones requires getting a technician to transfer the numbers to

the new location.

Low and easy maintenance The system can be accessed remotely by anyone with administrator access

privileges.

Maintenance has to be done by a technician on-site.

Home, Small Business

Things to consider when choosing the phone system for you

SMBs, Large CompaniesHome, SMBs

Cannot be scaled up or down easily. Simple software upgrade. Additional lines are easy to set up but increases

need in bandwidth.

Increase/Upgrade equipment or hardware is required over time.

Easy to set up Initial spending is expensive.Call rates are lower or free because it

uses the Internet.

Needs professional support

Voice signals travels through copper wires that transmit voices as electrical

signals.

The voice signal is converted to digital and then sliced into many packets to be

sent across the Internet to reach the speci�ed destination.

Converts the analog voice signal into a digital signal (“1”’s & “0”’s) and transport the signal

across the connected line and then decode that signal as sound at the other end.

Works during power outage. Service terminates during power outage and Internet connection

problems

Use little power from the phone line itself. Service terminates during power

outage.

Consisted of voice circuits made of copper wire, and transmitted voices as

electrical signals.

Plugged into an Ethernet.Require both a voice and a data cable.

ANALOG DIGITAL VoipChoosing the Right Phone System for You

VS VS

ANALOGAt A Glance

Age

Basic Features

Cost

Set Up

Wiring

How it Works

Power

Bandwidth

Scalability

Mobility

Maintenance

Good for

www.nteksystems.com

Digital Voip

Type of Business and Organization Needs

Costs (Initial and maintenance spending)

Number of users/extension lines

Vivex is the o�ce VoIP Deskphone equipped with full-featured multimedia functionalities designed for rich communication and various applications. It has built-in SIP server enabling advanced IP phone capabilities and a variety of PABX functions. Designed with an open platform, Vivex delivers incomparable phone experience, makes collaboration e�ortless, and integrates multiple systems.