...VoIP Advantages and Disadvantages The pros and cons of IP technology by Daniel Kochmanski DDK Telecommunications Buffalo, New York VoIP (Voice over Internet Protocol) is the ability to transmit and receive voice telephone calls over an Ethernet data connection. Ethernet data connections are used to connect computers inside an office building across a LAN (local Area Network) also known as intranet as well as connect computers to the world wide web (www) also known as a WAN (Wide Area Network) or internet. I must explain that VoIP (Voice over Internet Protocol) is utilized in two different ways. The first method, and the first one created, is for inbound and outbound phone service via VoIP service providers. The service can be via SIP (Session Initiation Protocol) trunking or a VoIP adapter. The second method is utilizing VoIP signaling directly to a business multi-line telephone is known as an IP (Internet Protocol) based phone or IP phone for short. I shall explain the advantages and disadvantages of IP business phones later in this article. I’ll also explain why a Hybrid system may be your best solution in the final paragraph. VoIP service provider companies, such as net2phone (IDT Corp) and iConnectHere (DeltaThree Corp.), started selling VoIP phone service back in the 1990’s. My personal experience back then was that the quality was very poor mostly due to lack of sufficient bandwidth, internet speed and compression techniques. Today there are hundreds...
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...Preparing for Innovation: Understanding How IT Organizational Change Can Help Drive Success with Unified Communications Table of Contents Introduction ................................................................................................................................................................................................................................................. 1 Unification and Change ............................................................................................................................................................................................................................ 2 Microsoft and Unified Communications.............................................................................................................................................................................................. 2 Unified Communications Purchase Drivers and Process................................................................................................................................................................. 3 IT Organization Purchase Drivers ...................................................................................................................................................................................................... 3 Business Organization Purchase Drivers................................................................................................................................................
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...THE INTERNET The internet is the largest computer network in the world, connecting millions of computers. A network is a group of two or more computer systems linked together. Types of Computer Networks Local Area Network (LAN) - two or more connected computers sharing certain resources in a relatively small geographic location. Wide Area Network (WAN) -two or more LANs. The computers are farther apart and are linked by telephone lines or radio waves. -The internet is the largest Wide Area Network (WAN) in existence. Servers and Clients Server -a computer that "serves" many different computers in a network by running specialized software and storing information. Client -communicates with the server to get the information it requires. Peer-to-Peer (P2P) Network each computer acts as both a server and a client. The World Wide Web (WWW) The internet is the physical network of computers all over the world. The World Wide Web is a virtual network of web sites connected by hyperlinks (or "links"). Web sites are stored on servers on the internet, so the World Wide Web is a part of the internet. HTML The backbone of the World Wide Web is made of HTML files, which are specially-formatted documents that can contain links, as well as images and other media. URL To get to a web page, you can type the URL (Uniform Resource Locator) in a browser. The URL, also known as the web address, tells the browser exactly where to find the page...
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...ITT Capstone Project NT2799: Network Systems Administration | Donna Williamson, Andy Lara, Mary Hunter, Carlos Vargas, Matt Koppe, Morten Laigaard Donna Williamson, Andy Lara, Mary Hunter, Carlos Vargas, Matt Koppe, Morten Laigaard Table of Contents Part 1: Structure of WAN2 Part 2: Types of Equipment7 Part 3: Protocol Choices25 Part 4: Phone System73 Part 5: Security Proposal78 References89-92 Part 1 Structure of WAN Structure of WAN- Mary Hunter We have initially considered our LAN components and began our documentation. We have planed the design and determined all resources involved. We have considered and interviewed all the stakeholders involved. We are in the beginning stage, so the components, resources, stakeholders and design may change. We will use switches to connect hosts to the internetwork, and both hubs and switches will be used to interconnect devices in our star network architecture. This way if we need to add workstations we will only have to insert another hub or switch. All of ABC worldwide offices will include file services, print services, message services, directory services, and application services. All of the offices will have the use of a file server for file sharing backing up files and storage. They will have access to a print server that will include Queue-based printing and print sharing; a message server that will allow for e-mails with attachment files, including video, sound, and documents. All the offices will have access to a...
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...Assignment On Mission Statement Analysis of five Companies Mission statement: The mission of a company is its unique purpose which sets a firm apart from other firms of its types and identifies the scope of its operations in products and market terms. In general terms, mission statement addresses the following questions: • Why is the firm in business? • What are our economic goals? • What is our operating philosophy in terms of quality, company image and self concept? • What are our core competencies and competitive advantage? • What customers do and can we serve? • How do we view your responsibilities to stockholders, employees, communities, environment, social issues and competitors? Components of mission statement: • Specifies basic type of product or service to be offered • Identifies primary market or customer to be served • Specifies technology to be used in productionor delivery • Reflects the firms fundamental concern for survival through growth and profitability Newest trend in mission components: • Sensitivity to customer wants • Concern for quality • Statements of company mission [pic]Company Background: |Saint-Gobain Crystals & Detectors is a business unit of Saint-Gobain Ceramics & Plastics Inc., a subsidiary of Compagnie de | |Saint-Gobain headquartered in Paris, France. | |Saint-Gobain...
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...Chapter: 1 Introduction The telecom sector in Bangladesh is rapidly emerging. Bangladesh Telecommunication Regulatory Commission (BTRC) is the regulatory authority for this sector, overseeing licensing and policy etc. In Bangladesh some calls are being terminated in nationally and some calls are being terminated internationally. In case of international call termination we need to go through of IGW service providers. Only licensed IGWs providers can terminate international call legally. This IGW or VoIP service providers are giving facility for international incoming and outgoing calls of Bangladesh. NovoTel is One of the establish IGW in Bangladesh. Now NovoTel is engaging in VoIP operation in different destination around the world. To execute this IGW operation smoothly, NovoTel always concern on its different risk management and engage in formulating competitive business strategies on regular basis to sustain this business industry. Objectives of the Study This report has been designed to accomplish two objectives; Primary objectives: • To understand the overall telecommunication structure of Bangladesh • To get an overview of IGW operations in Bangladesh Main Objectives: • Different Risks Management and corporate strategy practices of NovoTel. Significance of the Study: Risk management and strategy formulation play an important role for every business to sustain in log run. In case of telecommunication sector these...
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...VOICE, VIDEO, AND DATA NETWORK CONVERGENCE VOICE, VIDEO, AND DATA NETWORK CONVERGENCE ARCHITECTURE AND DESIGN, FROM VOIP TO WIRELESS JUANITA ELLIS CHARLES PURSELL JOY RAHMAN Amsterdam Boston London New York Oxford San Francisco Singapore Sydney Tokyo Paris San Diego This book is printed on acid-free paper. Copyright 2003, Elsevier Science (USA). All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone: (+44) 1865 843830, fax: (+44) 1865 853333, e-mail: permissions@elsevier.com.uk. You may also complete your request on-line via the Elsevier Science homepage (http://elsevier.com), by selecting “Customer Support” and then “Obtaining Permissions.” Explicit permission from Academic Press is not required to reproduce a maximum of two figures or tables from an Academic Press chapter in another scientific or research publication provided that the material has not been credited to another source and that full credit to the Academic Press chapter is given. Academic Press An imprint of Elsevier Science 525 B Street, Suite 1900, San Diego, California 92101-4495, USA http://www.academicpress.com Academic Press 84 Theobald’s Road, London WC1X 8RR...
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...Wireless in AmericA Innovative ■ Competitive ■ World Leader is the most innovative and competitive in the world-—the gold standard that others aspire to emulate. The U.s. wireless industry The industry is providing American wireless users with the best value proposition on the planet. We use our devices to talk more, pay less and have more wireless broadband subscribers than any other developed country. The industry’s competition and innovation have also created a fantastic array of choices for consumers, who can select from several national service providers, and many regional and local carriers. They have the option of prepaid or postpaid service. More than 630 handsets are available in the U.S. market. Mobile applications barely existed just three years ago, yet today, there are more than 500,000 from which to choose. Wireless technology is helping us live and work better than ever before, and is having profound impacts in areas such as healthcare, transportation, energy, education and many more. The U.S. wireless industry leads the way in the widespread deployment of high-speed networks… and even in the most challenging of economic times, continues to outpace its counterparts around the world when it comes to investing in infrastructure. The U.S. wireless industry continues to play a key role in our country’s economic development and enriches all of our lives thanks to our hallmark innovation and competition. specTrUm The Lifeblood of Wireless Wireless service...
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...watch today and where will we be in 30 more years? Just by what I have seen and heard from various producers of cell phones I do believe that the cell phone tech is going to be in the field of a wearable devices the new (in the last few years ) watches are just the start. In the 50’s Dick Tracy had a watch that the new watches mimic so what is next will it implants or projectable it is hard to tell but in my thoughts it will be in the realm of a wearable and possibly a wearable projection device. Articale #1 Cast your mind back to late 2008, when the first Android-powered handset saw the light of day. Obama won his first Presidential election, Apple launched its App Store (the iPhone had appeared the year before), Google announced its own Chrome browser and we got our first look at the company's new mobile OS on the T-Mobile G1. The Android of 2013 is a world away from that 2008 version, where the Android Market was in its infancy, there were no native video playback capabilities and the G1 had no multi-touch support. But Google is going to have to keep innovating and improving its mobile OS to keep the lion's share of the smartphone market. We've taken a peek into the future to consider what Android might look like in the year 2020. With new Android monikers now appearing about once a year, its codename should start with an "R" - Rhubarb Pie, Rocky Road or Rice Pudding, perhaps? Or maybe even Rolos, given the tie-up deals Google is putting in place these days? Here are...
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...Chapter 1 | Foundations of Information Systems in Business The Fundamental Roles of IS in Business Support of Business Processes and Operations . As a consumer, you regularly encounter information systems that support the business processes and operations at the many retail stores where you shop. For example, most retail stores now use computer-based information systems to help their employees record customer purchases, keep track of inventory, pay employees, buy new merchandise, and evaluate sales trends. Store operations would grind to a halt without the support of such information systems. Support of Business Decision Making . Information systems also help store managers and other business professionals make better decisions. For example, decisions about what lines of merchandise need to be added or discontinued and what kind of investments they require are typically made after an analysis provided by computer-based information systems. This function not only supports the decision making of store managers, buyers, and others, but also helps them look for ways to gain an advantage over other retailers in the competition for customers. Support of Strategies for Competitive Advantage . Gaining a strategic advantage over competitors requires the innovative application of information technologies. For example, store management might make a decision to install touch-screen kiosks in all stores, with links to the e-commerce Web site for online shopping. This offering might attract...
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...CNS Capstone A COMPREHENSIVE NETWORK DEVELOPMENT PROJECT SUBMITTED TO THE IT / COMPUTER NETWORKS SYSTEMS PROGRAM IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE ASSOCIATE DEGREE By Instructor – Roman Danyew Table of Contents Introduction to Cornerstone Communications………………………….................. 3 STAR MEDICAL’s Proposal Overview ……………………………….................. 4 Executive Summary………………………………………………………………... 6 Assumptions and Constraints………………………………………………………. 7 Deliverables………………………………………………………………………... 8 Project Details Implementation and Timeline……………………………………………… 9 Network Topology........................................................................................ 11 IP Schema…………………………………………………………………. 16 Security…………………………………………………………………….. 17 Active Directory Structure…………………………………………………………. 18 Active Directory and Exchange……………………………………………………..19 Website hosting and developing…………………………………………………… 20 Maintenance and Training Plan …………………………………………………….22 Risk Analysis………………………………………………………………………. 23 Backup Plan…………………………………………………………………………24 Cost Analysis………………………………………………………………………. 25 Appendix…………………………………………………………………………… 26 Appendix A: Cost Analysis…………………………………………………27 Appendix B: Hardware…………………………………………………….. 29 Introduction to Cornerstone Cornerstone Communications has been providing networking and data communications...
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...the real world? In this video, we’ll investigate how the OSI model maps into an encrypted email conversation with Google Mail. CompTIA Network+ N10-005: 1.3a – Binary Math Calculating in binary is an important skill for any network professional. In this video, you’ll learn the fundamentals for converting between decimal and binary numbers. CompTIA Network+ N10-005: 1.3b – IP Classes The history of TCP/IP includes numerous changes in network technologies and subnetting. In this video, you’ll learn how the IP class-based numbering system was used in the past and how it’s used today. CompTIA Network+ N10-005: 1.3c – Classless Inter-Domain Routing CIDR-block addressing has added new flexibility to IP subnetting. In this video, you’ll learn about classless inter-domain routing and the notation used to designate a CIDR-block address. CompTIA Network+ N10-005: 1.3d – IPv4 and IPv6 Both IPv4 addressing and IPv6 addressing have their own unique characteristics. In this video, you’ll learn how IPv4 and IPv6 addressing works, and you’ll learn how to use shortcuts to abbreviate IPv6 addresses. CompTIA Network+ N10-005: 1.3e – MAC Address Formats The Media Access Control address of a network adapter can differ depending on many configurations. In this...
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...Social Networking: A Good Platform for Libraries and Librarians Abstract ‘Social Networking’ refers to a range of web-enabled, it enabled software programs that allow users to interact and work collaboratively with other users. It includes ability to browse, search, invite friends to connect and interact, share film reviews, comments, blog entries, favorites, discussions, events, videos, ratings, music, classified ads, tag and classified information and more. A social network allows individual to join and create a personal profile, then formality connect with other users of the system as social friend. This paper is mainly discusses about the social network, social networking, definition of social networking, its various important features,...
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...The Role of the Operating Manager in Information Systems CASE STUDY I-1 IMT Custom Machine Company, Inc.: Selection of an Information Technology Platform CASE STUDY I-2 VoIP2.biz, Inc.: Deciding on the Next Steps for a VoIP Supplier CASE STUDY I-3 The VoIP Adoption at Butler University CASE STUDY I-4 Supporting Mobile Health Clinics: The Children’s Health Fund of New York City CASE STUDY I-5 Data Governance at InsuraCorp CASE STUDY I-6 H.H. Gregg’s Appliances, Inc.: Deciding on a New Information Technology Platform CASE STUDY I-7 Midsouth Chamber of Commerce (B): Cleaning Up an Information Systems Debacle CASE STUDY II-1 Vendor-Managed Inventory at NIBCO CASE STUDY II-2 Real-Time Business Intelligence at Continental Airlines CASE STUDY II-3 Norfolk Southern Railway: The Business Intelligence Journey CASE STUDY II-4 Mining Data to Increase State Tax Revenues in California CASE STUDY II-5 The Cliptomania™ Web Store: An E-Tailing Start-up Survival Story CASE STUDY II-6 Rock Island Chocolate Company, Inc.: Building a Social Networking Strategy CASE STUDY III-1 Managing a Systems Development Project at Consumer and Industrial Products, Inc. CASE STUDY III-2 A Make-or-Buy Decision at Baxter Manufacturing Company CASE STUDY III-3 ERP Purchase Decision at Benton Manufacturing Company, Inc. CASE STUDY III-4 The Kuali Financial System: An Open-Source Project CASE STUDY III-5 NIBCO’s...
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...[pic] [pic] THE INSTITUTE OF CHARTERED ACCOUNTANTS OF INDIA SUBMITTED BY: PRITISH S. ROONGTA (GROUP LEADER) (09820456348) GROUP DETAILS |NAME |WRO NUMBER |CONTACT NUMBER | |PRITISH S. ROONGTA |WRO 0279357 |09820456348 | |RADHIKA R. PALKAR |WRO 0286747 |09833391122 | |RUTU A. SHAH |WRO 0278759 |09819033996 | |VINIT D. PATIL |WRO 0313142 |09819689616 | BATCH TIMING: 05.00 PM TO 09.00 PM BATCH COMMENCEMENT DATE: 6TH JULY 2009 CENTRE: RVG HOSTEL, ANDHERI (W) INDEX |Sr. No. |PARTICULARS |PAGE NO. | |1. |Internet And Terrorism |5 | |2. |Modern Terrorism And Internet ...
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