Monitoring and Managing Voice over Internet Protocol (VoIP)

As with most new technologies, voice over Internet protocol (VoIP) brings new challenges along with benefits. The main challenge is VoIP’s extreme sensitivity to delay and packet loss compared with other network applications. However, a basic understanding of VoIP traffic and of the quality metrics provided by VoIP monitoring tools will help you keep your VoIP network running smoothly.
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VoIP Introduction

VoIP uses internet protocol data packets to transfer voice, fax, and other data over the shared network, rather than the traditional public switched telephone network (PSTN), which is based on copper wires carrying analog voice data over the dedicated circuits. VoIP, in contrast to PSTN, uses what is called packet-switched telephony, whereby the voice information travels to its destination in individual network packets across the Internet that are assembled and then converted to voice. Learn the basics of VoIP by reading this white paper, which includes explanations of coding and protocol for VoIP, and a look at quality and myths about VoIP.
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Future Tech: Where Will Telephony Be in Two Years?

Right now, there are two clear trends that will continue to shape business telephony into the next two years: Internet protocol (IP)-based communications and mobility. Download this concise executive brief to get an expert's take on voice over IP (VoIP), IPv6, converged networks, and more.
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Beginner’s Guide to VoIP

Digital phone systems that convert voice into data for transmission over data networks is the phone of the future. This white paper provides an overview of voice over IP (VoIP) features and benefits.
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