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IT Services >
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ALSO CALLED:
Voice over Internet Protocol,
IP Voice,
Cable VOIP,
VoIP Services,
Voice over IP,
Voice-over-Broadband,
VoB,
Voice-over-IP
DEFINITION: Call admission control (CAC) is the practice or process ofregulating traffic volume in voice communications, particularly inwireless mobile networks and in VoIP (voice over Internet Protocol,also known as Internet telephony). Call admission control can also beused to ensure, or maintain, a certain level of audio quality in voicecommunications networks, or a certain level of performance in Internetnodes
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Definition continues below.
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VoIP White Papers
(View All Report Types)
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6 Matches
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The Ultralight Branch
sponsored by Aerohive Networks
WHITE PAPER:
Access this whitepaper to learn more about enterprise connections and how ultralight branches can help keep users connected from multiple, small locations.
Posted: 08 Dec 2011 | Published: 08 Dec 2011
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Specialized Hardware Answers: Booming VoIP Transcoding Demands
sponsored by Sangoma Technologies
WHITE PAPER:
Transcoding is a growing requirement of today’s disparate communications network environment. This whitepaper discusses transcoding and codecs, outlining their operation and application to VoIP, along with relevant products that can benefit buyers.
Posted: 15 Nov 2011 | Published: 15 Nov 2011
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Using Voice over IP (VoIP) in Mobile Networks
sponsored by Global Knowledge
WHITE PAPER:
While the technology that supports VoIP has been present since the mid-1990s, the ability to quickly alternate between VoIP and circuit-switched networks has come into prominence in the last few years. Access this white paper for a full history and overview of the current mobile communications landscape.
Posted: 20 Jun 2011 | Published: 20 Jun 2011
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Voice over Internet Protocol (VoIP) Phone Hardening-- Part I
sponsored by Global Knowledge
WHITE PAPER:
This paper presumes that your enterprise already has a data network security policy in place. It examines the many different settings that are available to help secure the Cisco IP Phones from potential hacker attacks, and it looks at a selection of Cisco secure infrastructure technologies that are especially useful for protecting voice systems.
Posted: 01 May 2009 | Published: 01 May 2009
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Building a Home Lab Environment for Cisco Unified Communications
sponsored by Global Knowledge
WHITE PAPER:
This paper explains the need to select Cisco IP Phones, switches, routers for your home lab and explores how to configure the options of VMware so that you can load Cisco Call Manager and Cisco Unity virtual machines in a lab environment.
Posted: 10 Feb 2009 | Published: 10 Feb 2009
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Qos: What Is It? Why Do We Need It?
sponsored by Global Knowledge
WHITE PAPER:
QoS can be used in converged networks to provide voice packets priority access to resources, or it can be used to differentiate data packets from different application stream and provide access to resources according to policy.
Posted: 10 Dec 2008 | Published: 10 Dec 2008
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VOIP DEFINITION (continued): … and servers where VoIP traffic exists.Most CAC algorithms work by regulating the total utilizedbandwidth, the total number of calls, or the total number of packets ordata bits passing a specific point per unit time. If a defined limit isreached or exceeded, a new call may be prohibited from entering thenetwork until at least one current call terminates. Alternatively, agraceful degradation methodology can be implemented. This means thatthe audio quality of individual calls can deteriorate to a certainextent before new calls are denied entry. Another method involves theregulation of calls according … VoIP definition sponsored by SearchUnifiedCommunications.com, powered by WhatIs.com an online computer dictionary
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