Buyer's Guide

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Choosing a VoIP vendor: A buyer's guide

This unified communications series discusses the evolution of voice over IP. Learn what to look for when buying VoIP products, and choose the right VoIP vendor for your enterprise.


Voice over IP (VoIP) technology is quickly becoming a popular mode of voice communication, but choosing the right VoIP vendor requires understanding how voice technology has evolved to address current business needs. Modern Internet Protocol (IP) standards support combining voice -- traditionally delivered via time-division multiplexing (TDM) telephony -- with Web-based data streams. VoIP technology can help boost productivity and provides a point of entry for businesses that want to upgrade their legacy telephony systems to more versatile IP communications services.

This guide will walk you through the process of buying VoIP, exploring how VoIP evolved for the enterprise and what benefits it can provide for your business. The guide also looks at which features to consider when choosing a VoIP vendor, and finally compares the top VoIP vendors in the market, accompanied by product overviews.

1What is?-

The evolution of VoIP for the enterprise

Voice over IP evolved out of a need to combine low-cost, Web-based data streams with closed-circuit TDM telephony.


Analyzing VoIP basics reveals telephony's evolution

Telephony expert Jon Arnold dissects enterprise VoIP basics -- including the technology's evolution and how it works -- and compares it with legacy telephony. Continue Reading

2Do I need?-

How buying VoIP benefits businesses

Buying VoIP provides many benefits for businesses, including cost savings, easier migration to unified communications, and higher productivity.


Three use cases that highlight the benefits of VoIP

Migrating from standard telephony to VoIP can be beneficial. In this article, telephony expert Jon Arnold examines three common VoIP use cases. Continue Reading

3How to buy-

Criteria to consider when choosing a VoIP vendor

Buying VoIP products requires careful consideration of a number of factors. VoIP vendors should be evaluated primarily by the following criteria: ease of use, definition of scope, existing network infrastructure and the possibility of future upgrades.


What you need to consider before you buy VoIP

When assessing VoIP systems, first consider VoIP features and functions, then gauge the scope of the service, network needs and plans for expansion. Continue Reading

4Which should I buy?-

Choosing the right VoIP product for you

Take a look at our comparison of the leading VoIP vendors on the market before you make your purchasing decision.


Comparing the leading VoIP vendors and their products

Before purchasing a VoIP system, enterprises need to carry out careful research as VoIP vendors offer intricate products with varying capabilities. Continue Reading

5Top product overviews-

A glance at the top VoIP products

Take a look at our product overviews of the leading VoIP vendors. Many of these products can accommodate a range of business sizes and enhance the way companies work.


Adtran VoIP offerings: NetVanta 7100/7060 product overview

The Adtran VoIP lineup, consisting of the NetVanta 7100 and 7060 IP PBX products, supports a wide range of features, including routing, switching and stateful firewall. Continue Reading


Cisco UCM voice over IP system: Product overview

Designed for small and medium businesses, as well as large enterprises, Cisco UCM provides voice over IP technology that can replace a legacy telephone system. Continue Reading


KX-TDE Series Panasonic VoIP system: Product overview

Panasonic VoIP offerings include the KX-TDE series, with support for more than 1,000 extensions and up to 64 SIP trunks, providing customers with several configuration options. Continue Reading


Mitel VoIP 3300 series controllers: Product overview

The Mitel VoIP platform consists of the 3300 series controllers. With support for up to 2,000 SIP trunks, the 3300 series can replace legacy telephony in small or large businesses. Continue Reading


ShoreTel phone system: Product overview

The ShoreTel VoIP system boasts several voice switches, simplified administration and automated backup. The premises platform is ShoreTel's replacement for PBX telephony. Continue Reading


Toshiba IPedge VoIP System: Product overview

The Toshiba IPedge is a secure software-based VoIP system intended to replace legacy telephony. Continue Reading


Univerge series NEC VoIP: Product overview

The NEC VoIP offerings include the extensive Univerge series and a wide range of compatible IP telephones to accommodate organizations of varying sizes. Continue Reading

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