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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  … 
Definition continues below.
VoIPWhite Papers (View All Report Types)
101 - 125 of 158 Matches Previous Page  | Next Page
Small Business VoIP: The Basics
sponsored by Cisco Systems, Inc.
WHITE PAPER: Small business VoIP combines voice and data together on a single, secure network allowing your employees to stay connected with the people and data they need. The following is a guide to why you might want to consider a small business VoIP system.
Posted: 25 Sep 2008 | Published: 25 Sep 2008

Cisco Systems, Inc.

Deliver Application-level Security at Data Center Performance Levels
sponsored by Check Point Software Technologies Ltd.
WHITE PAPER: The shift from network-layer attacks to dynamically changing application-layer threats has dramatically increased security needs. This paper examines appliances that can quickly evolve to guarantee performance yet maintain a high level of security.
Posted: 08 Sep 2008 | Published: 08 Sep 2008

Check Point Software Technologies Ltd.

Quality of Service (QoS) in High-Priority Applications
sponsored by Transition Networks, Inc.
WHITE PAPER: This paper will discuss both hard and soft QoS techniques including 802.1P, IP Precedence, Differentiated Services, Resource Reservation Protocol (RSVP) and ATM specific priority resources.
Posted: 08 Sep 2008 | Published: 05 Sep 2008

Transition Networks, Inc.

Finding and Fixing VoIP Call Quality Issues
sponsored by WildPackets, Inc.
WHITE PAPER: This white paper examines the various factors that can lead to poor VoIP call quality and how a network administrator can use WildPackets® OmniPeek™ Enterprise to pinpoint issues and keep the VoIP network running smoothly and efficiently.
Posted: 29 Aug 2008 | Published: 29 Aug 2008

WildPackets, Inc.

The Diverse and Exploding Digital Universe
sponsored by EMC Corporation
WHITE PAPER: This white paper, sponsored by EMC, is an update of IDC's inaugural forecast of the digital universe published in March 2007. In this year's update we discuss the implications for business, government, and society.
Posted: 28 Aug 2008 | Published: 27 Aug 2008

EMC Corporation

e-Book: Chapter 6 - Ten Hidden E-Discovery Hazards
sponsored by Symantec Corporation
WHITE PAPER: This paper explains Ten hidden e-discovery hazards reviewing everything from databases and storage to instant messages and smartphones which can help ward off e-discovery surprises.
Posted: 27 Aug 2008 | Published: 27 Aug 2008

Symantec Corporation

Emerging Best Practices for Carrier IP Transformation
sponsored by Alcatel-Lucent
WHITE PAPER: This whitepaper identifies emerging best practices for planning, implementation, migration and operations based on hands-on experience with IP Transformation initiatives across the globe.
Posted: 20 Aug 2008 | Published: 20 Aug 2008

Alcatel-Lucent

Managing and Monitoring a Primary Wireless Network
sponsored by Intel Corporation
WHITE PAPER: Intel IT designed a highly automated approach to managing an enterprise primary wireless LAN, with a focus on service level management and monitoring. This white paper has the details.
Posted: 12 Aug 2008 | Published: 01 Feb 2007

Intel Corporation

Strategies for Supporting Next-generation Networks: Proactive, Predictive & Preventive
sponsored by Alcatel-Lucent
WHITE PAPER: This white paper dimensions the two-stage evolution from today's prevalent product level support model to network-level support and ultimately to service-level support.
Posted: 05 Aug 2008 | Published: 01 Aug 2008

Alcatel-Lucent

Optimize Multi-vendor Voice and Data Networks for Service Quality, Responsiveness, and Cost of Delivery
sponsored by CA Technologies.
WHITE PAPER: Learn how CA Network and Voice Management solution improves the quality of service, reduces the impact of service disruptions and controls OPEX and CAPEX through better use of resources.
Posted: 29 Jul 2008 | Published: 01 Jan 2007

CA Technologies.

Optimized Metro Aggregation Network for Triple Play Services
sponsored by ECI Telecom
WHITE PAPER: Learn how the convergence of voice, video and data ("Triple Play") together with relaxed regulatory control have forced service providers to shift towards a combined offering of voice, video, and data service improving their position in the market
Posted: 22 Jul 2008 | Published: 01 Jul 2008

ECI Telecom

Wireless LANs Standards: Where Are We Now?
sponsored by Burton Group
WHITE PAPER: Not all standards are created equal. Some are technically elegant but achieve little market adoption. Others are broadly deployed.
Posted: 18 Jul 2008 | Published: 13 Nov 2006

Burton Group

The ECHO™ - Cisco Connection: ECHO™, and How It Interacts with Cisco's CallManager
sponsored by Teleformix
WHITE PAPER: Read this white paper and learn how ECHO's direct digital integration with Cisco's VoIP network enables the pooling of voice VLAN ports through SPAN or RSPAN.
Posted: 11 Jul 2008 | Published: 01 Jul 2007

Teleformix

The ECHO™ - Avaya Connection: ECHO™, and How It Interacts with Avaya's Telephony Solutions
sponsored by Teleformix
WHITE PAPER: Read this paper to learn how Teleformix's ECHO™ digital recording solution integrates seamlessly with Avaya's telephony systems, providing your company with a crucial customer service tool - quality assurance recording.
Posted: 11 Jul 2008 | Published: 01 Jul 2007

Teleformix

The Top Five Myths of IP Communications
sponsored by Cisco Systems, Inc.
WHITE PAPER: This white paper addresses the top concerns of IT professionals who resist the deployment of pervasive, enterprise-wide wireless networks. It identifies these reservations based on the experience of Cisco Systems and Intel.
Posted: 10 Jul 2008 | Published: 25 Jul 2006

Cisco Systems, Inc.

Beyond VoIP: Enterprise Perspectives on Migrating to Multi-modal Communications and Wireless Mobility
sponsored by Avaya Inc.
WHITE PAPER: As per this report the industry providers are already delivering the new piece parts for such convergence, although new standards are still evolving to enable maximum interoperability across converged telecommunication infrastructures.
Posted: 20 Jun 2008 | Published: 01 Oct 2004

Avaya Inc.

Going Serverless at the Branch Office: Using WAN Optimization to Solve the Server Consolidation Challenge
sponsored by Expand Networks
WHITE PAPER: The Expand Accelerator is a standards-based, tightly integrated, multi-service platform that delivers a complete application acceleration solution.
Posted: 16 Jun 2008 | Published: 01 Jun 2008

Expand Networks

America's Quest for IPv6 - Part II: An Analysis of the Business and Financial Metrics of the Coming IPv6 Marketplace
sponsored by Command Information
WHITE PAPER: the transition to IPv6 is very much on its way to becoming a viable, profitable market. This white paper this conclusion with some attention grabbing highlights...
Posted: 09 Jun 2008 | Published: 09 Jun 2008

Command Information

Comparing MPLS and Internet Links for Delivering VoIP Services
sponsored by Avaya Inc.
WHITE PAPER: This paper documents a real-world field study that concludes the availability and call quality of VoIP over Multi-protocol Label Switching (MPLS) is comparable to that of VoIP over the public Internet.
Posted: 09 Jun 2008 | Published: 01 Sep 2005

Avaya Inc.

VOIP Infrastructure for the Evolving Enterprise: How to Control Costs, Mitigate Risk, and Ensure Service Levels in an Ever-Changing Network Environment
sponsored by NET Quintum
WHITE PAPER: There are significant differences in VoIP hardware functionality that affect the cost, risk and consumption of staff resources. This white paper outlines what to consider when selecting a VoIP gateway/switching solutio
Posted: 05 Jun 2008 | Published: 01 Mar 2008

NET Quintum

The Intelligent Customer Front Door: Go Beyond the Limitations of Traditional Interactive Voice Response (IVR) to Deliver Superior Customer Service
sponsored by Genesys
WHITE PAPER: This white paper discusses how companies can transform customer service by applying intelligent business rules for optimal efficiency and a competitive advantage.
Posted: 03 Jun 2008 | Published: 01 Apr 2008

Genesys

Best Practices for Home Agents
sponsored by Avaya Inc.
WHITE PAPER: Employing home agents allows you to expand and improve your call center team. And they can be a form of insurance to keep your business running if disaster strikes. This white paper contains best practices for developing a Home Agents program.
Posted: 02 Jun 2008 | Published: 01 Feb 2008

Avaya Inc.

Beyond Converged Networks: Driving User Productivity through Unified Communications and Collaboration
sponsored by IBM
WHITE PAPER: Read this whitepaper to understand how to provide users with a single, integrated experience across business applications and communications and collaboration tools.
Posted: 29 May 2008 | Published: 01 Apr 2008

IBM

Telecom Switches Emphasis: Preliminary Analysis of the 2007 Telecom Industry Survey
sponsored by IBM
WHITE PAPER: As revenues from traditional telecom services decline, the continual erosion of technology barriers to adjacent industries offers the prospect of new markets for telecom providers.
Posted: 14 May 2008 | Published: 01 Oct 2007

IBM

How to Effectively Transition to VoIP and IMS - Big Bang or Phased Approach?
sponsored by Alcatel-Lucent
WHITE PAPER: This white paper describes the key drivers motivating service providers to migrate to IPbased networks as well as the most effective first steps, including the network topologies involved in the transformation.
Posted: 06 May 2008 | Published: 01 May 2008

TOPICS:  IMS | Networking | VoIP
Alcatel-Lucent
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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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