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ALSO CALLED: Digital Signal Level 1, DS0, Digital Signal Level Hierarchy, DS1, Digital Signal Level 4, DS3, DS2, DS4, DS Level Hierarchy, Digital Signal Level 3, Digital Signal Level 2, Digital Signal Level 0
DEFINITION: To see the relationship between T-carrier, E-carrier, and DS0 multiples, see digital signal X. The T-carrier system, introduced by the Bell System in the U.S. in the 1960s, was the first successful system that supported digitized voice transmission. The original transmission rate (1.544 Mbps) in the T1 line is in common use today in Internet service provider (ISP) connections to the Internet. Another  … 
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T-Carrier Systems White Papers (View All Report Types)
76 - 100 of 334 Matches Previous Page  |  Next Page
Cost-Benefit Analysis: Comparing Key Players for Structured Analytics
sponsored by IBM
WHITE PAPER: Can your organization implement Hadoop clusters without being crippled by IT costs? This resource considers two major players offering structured analytics. Access now to see each of their cost-benefit results and discover the best choice for your business.
Posted: 26 Oct 2015 | Published: 26 Oct 2015

IBM

CW Buyers Guide: Green IT
sponsored by ComputerWeekly.com
WHITE PAPER: This six-page Buyer’s Guide to Green IT helps CIOs and senior IT professionals to identify the issues around going green and explains the pros and cons of using third-party facilities to run IT services.
Posted: 29 Nov 2012 | Published: 26 Jan 2011

ComputerWeekly.com

CW+: Quocirca report: Communications technology – be prepared to be flexible
sponsored by ComputerWeekly.com
WHITE PAPER: Communications needs for many organisations are changing rapidly. Internally, there are always new technologies appearing and changes in working styles to deal with but there is now, increasingly, the influence of more social and consumer choices affecting the officially deployed systems.
Posted: 21 Oct 2011 | Published: 12 Aug 2010

ComputerWeekly.com

CW+: Quocirca report: Telecoms re-invention - optimising the online customer experience
sponsored by ComputerWeekly.com
WHITE PAPER: As networks, devices and media converge, telecoms companies have increasingly complex catalogues of products and services on offer to customers who are, in turn, becoming more aware that they can easily switch to other providers.
Posted: 21 Oct 2011 | Published: 24 Aug 2010

ComputerWeekly.com

Distributed and Centralized Bypass Data Center Architectures Compared
sponsored by Emerson Network Power
WHITE PAPER: In this white paper, explore the principles of centralized versus distributed bypass data center backup, and discover how to apply each method to standalone monolithic and integrated-modular UPS architectures. Access now and receive an overview of the weaknesses and capabilities of both system designs to simplify your decision-making process.
Posted: 08 Jun 2016 | Published: 31 Dec 2015

Emerson Network Power

Driving Growth and Innovation with a Trusted Support Resource
sponsored by IBM
WHITE PAPER: In this paper, you will discover a technical support service designed to help you respond effectively to changing demands. Read on to learn about integrated, proactive support that will simplify your IT asset management, enhance service quality, and control IT costs.
Posted: 10 Mar 2016 | Published: 10 Mar 2016

IBM

EAM Energy Performance: Extending the Asset Life
sponsored by Infor
WHITE PAPER: To stay competitive, you need to understand the energy behind asset management. Access this paper to extend the life of your assets with an energy performance management system that will increase your return on assets, improve visibility, allow continuous peak-demand analysis, and more.
Posted: 09 Sep 2016 | Published: 09 Sep 2016

Infor

Economics, Performance, and Agility Evaluation of One Converged System
sponsored by NetApp
WHITE PAPER: Discover the key attributes setting one converged infrastructure apart from other full stack IT systems, featuring all-flash FAS systems setting a new performance standard. Read on to gain the performance of flash at the price of disk by evaluating the economics of this infrastructure.
Posted: 25 Jan 2017 | Published: 25 Jan 2017

NetApp

Elevating the Enterprise Capabilities of Skype for Business
sponsored by AVST
WHITE PAPER: On its own, Skype for Business supports voice communications with a mix of UC offerings. But implementing the solution as a full or partial PBX replacement in the enterprise requires additional mission-critical applications. Learn what these applications are and how you can deliver them.
Posted: 13 Feb 2017 | Published: 30 Dec 2016

AVST

Enabling the New Connected Workspace
sponsored by RingCentral
WHITE PAPER: Cloud phone systems grew up with mobile networks, new internet-based communications tools, and cloud business apps, making them ideally suited to today's enterprises. Learn how a cloud communications system can benefit your enterprise in this white paper.
Posted: 21 Feb 2017 | Published: 30 Nov 2015

RingCentral

Enhance Employee Productivity Cost Effectively with Unified Communications
sponsored by Oracle Corporation
WHITE PAPER: This white paper explains how a converged unified communication (UCC) platform empowered by WebRTC can offer real-time voice and video communications with secure, reliable, and seamless interoperability across carrier and enterprise networks on a multitude of end points.
Posted: 29 Sep 2016 | Published: 01 Sep 2016

Oracle Corporation

Evaluating the ROI of Informal Call Centers
sponsored by AVST
WHITE PAPER: Even if you don't have a formal call center, deploying the right call center tech at your enterprise can reduce your software and maintenance costs by as much as 77%. Learn how to evaluate the ROI of an informal call center here.
Posted: 10 Feb 2017 | Published: 30 Dec 2016

AVST

Critical Communications for Business Continuity: How to Ensure Employees, Partners & Customers Stay Connected
sponsored by Polycom, Inc.
WHITE PAPER: This paper examines why companies should develop and implement an on-demand conferencing and collaboration plan that supports business continuity for both the enterprise and its customers.
Posted: 18 Oct 2011 | Published: 18 Oct 2011

Polycom, Inc.

Deepen Visibility into Cloud and Hybrid IT with Unified Infrastructure Management
sponsored by CA Technologies
WHITE PAPER: Learn why it's recommended your organization extends the visibility of existing infrastructure tools with a unified, hybrid IT monitoring platform—providing visibility into traditional and next-generation technologies. Read on to take a unified approach to IT ops, and monitor all hybrid cloud, software-defined, and converged environments.
Posted: 07 Sep 2016 | Published: 30 Jun 2016

CA Technologies

Delivering Enterprise Value with Service Management
sponsored by ServiceNow
WHITE PAPER: This IDC Research report provides an analysis of the business value that 10 businesses are achieving with cloud-based IT service management services. Read on to increase service management productivity across your business by automating repeatable processes, and more.
Posted: 20 Jun 2016 | Published: 31 Mar 2015

ServiceNow

Delivering SOA Solutions: Service Lifecycle Management.
sponsored by IBM
WHITE PAPER: With service-oriented architecture (SOA), once-siloed business functions, IT processes and data are exposed as services that can be reused--across departments, lines of business (LOBs) and even entire organizations.
Posted: 20 Aug 2008 | Published: 20 Aug 2008

IBM

Developing an effective resiliency capability within a cloud design
sponsored by IBM
WHITE PAPER: Read this white paper to learn how to develop a reliable resiliency management program for your cloud environment. Review the key elements, business areas and questions you should consider.
Posted: 27 Jun 2012 | Published: 31 Aug 2011

IBM

Discovery Communications Continues Global Expansion with Help from Savvis Managed Services
sponsored by SAVVIS
WHITE PAPER: Savvis delivers a complex, fully managed infrastructure for Discovery to support its real-time advertising deliverables, ad sales, scheduling, and programming for all its international operations. Savvis’ solution allows Discovery to take advantage of a broad portfolio of managed services.
Posted: 25 Jun 2010 | Published: 25 Jun 2010

SAVVIS

Document Solutions IP Faxing versus Conventional Faxing: A Critical Analysis
sponsored by Premiere Global Services
WHITE PAPER: This white paper uses examples in three industries with the heaviest fax usage - finance, healthcare, and insurance - to demonstrate costs and risks that are shared across all industries.
Posted: 10 Oct 2008 | Published: 10 Oct 2008

Premiere Global Services

Does Your Communications and Collaboration Solutions Meet your Mid-Size Business Needs?
sponsored by Cisco Systems, Inc.
WHITE PAPER: This exclusive paper examines how cloud collaboration technologies can help your organization overcome some of the common communication challenges faced today.
Posted: 29 Jan 2014 | Published: 29 Jan 2014

Cisco Systems, Inc.

Dynamic Business Process Management for Communications Service Providers
sponsored by IBM
WHITE PAPER: In today’s demanding environment, communications service providers across all lines of business are struggling to increase their business agility to remain competitive. This paper explores how companies are achieving agility by adopting dynamic business process management (BPM) with telecommunications industry standards. Read on to learn more.
Posted: 02 Aug 2010 | Published: 21 Apr 2010

IBM

Eco-sustainable Wireless Networks: Ready for Prime Time
sponsored by Alcatel-Lucent
WHITE PAPER: Developments in alternative energy technology are creating solutions that provide network operators with the ability to reduce their energy costs and carbon footprint. Read this short whitepaper for more information about alternative energy sources that can make your wireless network more eco-friendly and save you money.
Posted: 02 Oct 2009 | Published: 02 Oct 2009

Alcatel-Lucent

Enabling Innovation and Surpassing the Competition with Visual Collaboration
sponsored by Vidyo, Inc.
WHITE PAPER: This exclusive paper discusses how visual collaboration can be utilized by small to midsized businesses in order to significantly improve productivity and drive innovation. Read on to find out more.
Posted: 28 May 2014 | Published: 28 May 2014

Vidyo, Inc.

Enterprise Backup and Recovery Considerations: How to Maintain Your Restore-Readiness
sponsored by Sirius Computer Solutions
WHITE PAPER: IT systems are vulnerable to a variety of disruptions. This paper will focus on common processes and procedures that should be part of any effective enterprise backup/restore system.
Posted: 08 Jul 2009 | Published: 26 Jun 2009

Sirius Computer Solutions

Enterprise Portal Rationalization: Using a Service-Oriented Architecture to Stop Web Asset Sprawl
sponsored by Oracle Corporation
WHITE PAPER: This paper provides an overview of the problem of Web sprawl, and an account of the rationalization strategies organizations are adopting to gain the upper hand on sprawl. Adopting a service-oriented architecture based on integrated application platform infrastructure emerges as the key to rationalizing sprawl.
Posted: 03 Apr 2009 | Published: 01 Mar 2009

Oracle Corporation
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T-CARRIER SYSTEMS DEFINITION (continued): …  level, the T3 line, providing 44.736 Mbps, is also commonly used by Internet service providers. The T-carrier system is entirely digital, using pulse code modulation (PCM) and time-division multiplexing (TDM). The system uses four wires and provides duplex capability (two wires for receiving and two for sending at the same time). The T1 digital stream consists of 24 64-Kbps channels that are multiplexed. (The standardized 64 Kbps channel is based on the bandwidth required for a voice conversation.) The four wires were originally a pair of twisted pair copper wires, but can now also include … 
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