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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  … 
Definition continues below.
T-Carrier Systems White Papers (View All Report Types)
51 - 75 of 282 Matches Previous Page  |  Next Page
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

Delivering multichannel customer communication without replacing legacy systems
sponsored by GMC Software
WHITE PAPER: Learn why your organization should upgrade your legacy CCM application to offer multichannel communication capabilities to deliver a seamless experience to your customers at any touch point. Read this valuable white paper to uncover more about legacy software adaption and how you can save money.
Posted: 15 Apr 2015 | Published: 31 Dec 2013

GMC Software

Do customers drive your technology decisions?
sponsored by Hewlett-Packard Limited
WHITE PAPER: Consult the following white paper to learn why your customers' needs and wants should be shaping the way you modernize your technology. Access now and find out more.
Posted: 01 May 2015 | Published: 01 May 2015

Hewlett-Packard Limited

Document Management Capabilities that Maximize Performance
sponsored by Actuate
WHITE PAPER: Organizations produce a high volume of credit card bills, bank statements, insurance policies, and other customer communications. To leverage this content, you'll need to convert documents from one format to another as required. Access this white paper to assess the traits of a rewarding document transformation system.
Posted: 04 May 2015 | Published: 04 May 2015

Actuate

Edison: Streamline Data Protection with IBM Tivoli Storage Manager Operations Center
sponsored by IBM
WHITE PAPER: This resource describes a storage manager that has been an industry-standard data protection solution for two decades. It focuses on more than backup and restore.
Posted: 14 Nov 2014 | Published: 30 Jun 2013

IBM

Evolving Toward the Next Phase of Email
sponsored by IBM
WHITE PAPER: This white paper explores current email usage in the workplace, as well as corporate email's anticipated future, including a more cohesive user experience with integrated application functionality, social capabilities, and transparent accessibility.
Posted: 01 Oct 2014 | Published: 30 Jun 2014

IBM

Considerations for Building Video Chat and Streaming Applications
sponsored by Oxagile
WHITE PAPER: This whitepaper stacks up against each other the chat solutions and media servers that will set an underlying base for either custom video streaming or video chat products that you might consider building.
Posted: 07 Aug 2013 | Published: 07 Aug 2013

Oxagile

Control IT With Configuration Audit and Control
sponsored by Tripwire, Inc.
WHITE PAPER: Learn how establishing a change policy that enforces all changes are auditable and authorized, and all unauthorized changes are investigated, can enable IT organizations to reach compliance, security, and availability goals
Posted: 01 Mar 2007 | Published: 01 Feb 2007

Tripwire, Inc.

Converged Communications: People and Applications in Synch
sponsored by Dell, Inc.
WHITE PAPER: A unified communications platform can provide collaboration tools necessary for a company to gain a competitive edge by increasing employee productivity and improving work flows and processes. Learn about an approach that can help simplify the process of transitioning to a unified communications platform.
Posted: 23 May 2011 | Published: 23 May 2011

Dell, Inc.

Cool IT Equipment Efficiently to Lower Energy Use and Cut Costs
sponsored by Upsite Technologies, Inc.
WHITE PAPER: To optimize your data center infrastructure, consider these four practical best practice steps that Upsite's engineers have devised for solving cooling inefficiencies through proper airflow management.
Posted: 14 Oct 2008 | Published: 09 Oct 2008

Upsite Technologies, Inc.

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.

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

Evaluating the Total Costs of a Unified Communications Solution
sponsored by Cisco
WHITE PAPER: Discover the top recommendations for selecting a UC solution that fits the needs of your business. Learn how to weigh the most important factors and assess the TCO of your UC solution.
Posted: 17 Jul 2013 | Published: 17 Jul 2013

Cisco

Extend the Value of IBM Lotus Applications to Increase Productivity with Avaya Unified Communications - Sponsored by Avaya and IBM
sponsored by Avaya
WHITE PAPER: Good communications are key to any company's success. The most successful enterprises strive for anywhere, anytime communications to best serve employees and clients who are increasingly mobile and geographically diverse. By unifying communications, a company can deliver communications anywhere, anytime and any way.
Posted: 25 Jun 2009 | Published: 25 Jun 2009

Avaya
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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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