Ip telephony network

Xem 1-20 trên 34 kết quả Ip telephony network
  • This chapter presents a high-level overview of several basic models that you can use in designing your IP telephony network. This overview provides some guidance with respect to when and why a particular design should be selected. Subsequent chapters delve into each network model in greater detail, beginning with the simplest model and building to increasingly complexity models.

    pdf262p mylinh 11-08-2009 128 26   Download

  • This preface describes the purpose, intended audience, organization, and conventions for the Cisco IP Telephony Network Design Guide. This document serves as an implementation guide for Cisco AVVID (Architecture for Voice, Video and Integrated Data) networks based on Cisco CallManager Release 3.0(5). With such a high level of industry interest regarding IP telephony, customers are aggressively pursuing Cisco solutions for both large and small networks. Solutions based on Cisco CallManager Release 3.0(5) allow Cisco to deliver large-scale IP telephony systems with many capabilities....

    pdf262p phongthinh 07-08-2009 133 52   Download

  • This document provides design considerations and guidelines for implementing Cisco IP Telephony solutions based on the Cisco Architecture for Voice, Video, and Integrated Data (AVVID). This document is primarily an update of the design guidelines and information presented in the Cisco IP Telephony Solution Reference Network Design (SRND) for Cisco CallManager releases 3.1 and 3.2, which is available online at http://cisco.com/go/srnd This document assumes that you are already familiar with the terms and concepts presented in previous versions of the Cisco IP Telephony SRND.

    pdf220p kieuoanh 11-08-2009 116 34   Download

  • This document describes the products and features used to build an IP telephony system, and it gives recommendations on how to combine those elements into an effective solution for your enterprise. However, this document does not contain specific implementation or configuration details for the products and features. For details about a particular product or feature, refer to the technical documentation available online at Cisco.com. (See Obtaining Documentation, page xv.)

    pdf334p kieuoanh 11-08-2009 107 27   Download

  • This document serves as an implementation guide for Cisco AVVID (Architecture for Voice, Video and Integrated Data) networks based on Cisco CallManager Release 3.0(5). With such a high level of industry interest regarding IP telephony, customers are aggressively pursuing Cisco solutions for both large and small networks. Solutions based on Cisco CallManager Release 3.0(5) allow Cisco to deliver large-scale IP telephony systems with many capabilities.

    pdf262p kieuoanh 11-08-2009 100 23   Download

  • This preface describes the purpose, intended audience, organization, and notational conventions for the Cisco IP Telephony QoS Design Guide. This document serves as an implementation guide for Voice over IP (VoIP) networks based on Cisco AVVID (Architecture for Voice, Video and Integrated Data). The goal of this document is to provide a blueprint for implementing the end-to-end Quality of Service (QoS) that is required for successful deployment of Cisco AVVID solutions in today’s enterprise environment....

    pdf242p phongthinh 07-08-2009 135 66   Download

  • Tham khảo sách 'cisco ip telephony', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf108p thutrang 29-08-2009 73 11   Download

  • Consider this scenario. You want to connect your IP Telephony network to the central office switch using E1 (or T1 PRI). Which of the following choices is an appropriate gateway selection?

    pdf11p xuankhuong 03-09-2009 70 4   Download

  • Tham khảo tài liệu 'ip telephony troubleshooting', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf37p halanh 15-08-2009 51 2   Download

  • The merging of voice and data on a single network opens powerful new possibilities in communications. Only a fundamental understanding of both technologies will ensure you are equipped to maximise their full potential. Convergence Technologies for 3G Networks describes the evolution from cellular to a converged network that integrates traditional telecommunications and the technology of the Internet.

    pdf673p dieutan 17-05-2010 163 80   Download

  • This Solution Reference Network Design (SRND) publication is intended to provide a set of guidelines for designing, implementing, and deploying Voice and Video Enabled IPSec VPN (V3 PN) solutions. This SRND defines the comprehensive functional components required to build a Site-to-Site Enterprise Virtual Private Network (VPN) solution that can transport IP telephony and video.

    pdf160p duypha 11-08-2009 172 45   Download

  • LEVELS OF TRAFFIC BEHAVIOUR So, what kind of traffic behaviour are we interested in for ATM, or IP? In Chapter 3 we looked at the flow of calls in a circuit-switched telephony network, and in Chapter 4 we extended this to consider the flow of cells through an ATM buffer. In both cases, the time between ‘arrivals’ (whether calls or cells) was given by a negative exponential distribution: that is to say, arrivals formed a Poisson process. But although the same source model is used, different types of behaviour are being modelled....

    pdf13p huggoo 20-08-2010 58 13   Download

  • Will Your Structured Cabling be Suitable for IP Telephony? Discussions on the impact that a network's structured cabling system has on VoIP operation. Introduction IP Telephony, which includes the commonly known Voice over Internet Protocol (VoIP), is usually introduced into an enterprise as a cost saving measure. This is part of the convergence of data and voice (and video) on the local network so that it is under the control of the enterprise rather than relying on outside specialists.

    pdf4p qd-tek 28-04-2010 50 5   Download

  • This design guide defines the comprehensive functional components required to build an enterprise virtual private network (VPN) solution that can transport IP telephony and video. This design guide identifies the individual hardware requirements and their interconnections, software features, management needs, and partner dependencies, to enable customers to deploy, manage, and maintain an enterprise VPN solution.

    pdf236p kieuoanh 11-08-2009 121 34   Download

  • Thoại qua internet: 10 lý do! Lý do để chuyển đổi sang sử dụng mô hình thoại qua giao thức Internet (Voice over Internet Protocol – VoIP) có thể được nêu ra rất nhiều, phụ thuộc vào việc bạn muốn phát triển mô hình kinh doanh và hoạt động của doanh nghiệp (DN) mình đến mức nào. Tuy nhiên, theo tài liệu tư vấn khách hàng của tập đoàn Avaya, hiện có 10 lý do quan trọng nhất để sử dụng hệ thống điện thoại (ĐT) IP (IP Telephony) hoặc dịch vụ VoIP.

    pdf8p maicon24 25-07-2010 102 26   Download

  • Advanced broadband services are being developed and launched at an ever-accelerating pace. And while these services may vary, they have one thing in common. Whether it be high speed data, video-on-demand, or IP telephony, broadband subscribers expect a reliable, high-quality experience at an affordable price. ADC’s RF Worx® SignalOn® Series has been designed with these demanding service requirements in mind. This next generation RF signal management platform provides unmatched density, RF performance, and reliability – all at a competitive price.

    pdf17p halanh 14-08-2009 88 18   Download

  • As a founding member of the new Internet Operators Group, AT&T holds a vast amount of experience and expertise in building and operating IP-based networks. We participate in North American Network Operators Group (NANOG), the Internet Engineering Task Force (IETF) and Internet2 in addition to sponsoring the AT&T Center for Internet Research and the AT&T Interoperability Lab. We intend to be the number one global provider of communications services delivered over the Internet by pursuing a worldwide, facilities-based strategy.

    doc25p hallo 01-03-2009 94 16   Download

  • This design guide presents a series of design and implementation chapters intended to facilitate the creation of scalable and secure Business Ready Teleworker environments. The purpose of this guide is to set expectations and make recommendations so that the quality of services delivered over broadband remains usable during the worst-case situations—rather than to encourage the network managers to implement a configuration that becomes a source of frustration to the user and a support burden to the help-desk staff....

    pdf260p duypha 11-08-2009 72 10   Download

  • This design guide describes how to design a Business Ready Branch or autonomous Business Ready Office where corporate services such as voice, video, and data are converged onto a single office network. This guide is targeted at network professionals and other personnel who assist in the design of branch or commercial office networks. This guide assists the network designer in successfully designing a branch or an autonomous office. There are numerous combinations of features, platforms, and customer requirements that make up an office design.

    pdf64p kieuoanh 11-08-2009 64 10   Download

  • Enterprise data centers contain the assets, applications, and data that are often targeted by electronic attacks. Endpoints such as data center servers are key objectives of malicious attacks and must be protected. The number of reported attacks, including those that affect data centers, continues to grow exponentially every year (CERT/CC Statistics 1988-2002, CSI/FBI 2001). Attacks against server farms can result in lost business for e-commerce and business-to-business applications, and the theft of confidential or proprietary information.

    pdf304p duypha 11-08-2009 96 9   Download

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