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Higher Certificate in Multimedia Networking (Voice over IP)
Voice Over IP 系統網絡高級證書課程 |
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課程簡介 |
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什麼是 Voice over IP ( VoIP) ？ VoIP 是未來網絡界的重要方向，意思是如何在現今的互聯網內有效地傳輸聲音和影像。要知道，互聯網的設計原理是以運輸數據為主，要有效地運輸聲音及影像將是工程上的一大挑戰。自業界推出 VoIP 技術後，聲音傳送已大致達到可靠的水準。現在很多企業已逐步利用 VoIP 取代 IDD ，以極低的價錢連接世界各地通訊。未來的發展，廉價的影像傳輸將是重點趨勢。本課程將教授各種各類聲音、影像傳輸的網絡技術，修畢學員，更可考取 Cisco 相關考試，為未來的工作建立穩建的基礎。 |
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課程目標 |
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本課程針對需要於機構內架設話音網絡通訊人仕而設，完成課程後，學員更可考取 Cisco VoIP 考試。 |
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課程內容 |
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Introduction to Pocket Voice Technologies
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Explain traditional telephony networks
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Describe packetized voice networks
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Describe IP data networks
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Analog and Digital Voice Connections
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Recognize the basics of analog and digital voice
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Explain the processes and standards of voice digitalization, compression, and digital signaling
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Describe the standards, applications, and issues of FAX and modem usage over a VoIP network
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Configuring Voice Interfaces
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Configure analog and digital voice interfaces
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Configure analog and digital voice ports for optimal voice quality
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Given a scenario, identify how to create, customize, and verify digital port operations
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Voice Dial Peers
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Describe call flows as they relate to inbound and outbound dial peers
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Describe the need for and application of voice dial peers
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Given a scenario, determine appropriate method of digit forwarding and manipulation
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Introduction to Voice over IP
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Describe the fundamentals of VoIP and identify challenges and solutions regarding its implementation
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Discuss the differences and similarities between VoIP and Voice over other technologies, such as Frame Relay or ATM
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Describe the roles of Gateways in integrating VoIP with the traditional voice technologies found in enterprise and service provider networks
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List the bandwidth requirements for various codecs and data links and methods to reduce bandwidth consumption
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Given a scenario, verify basic call setup through debug commands
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Given a scenario, identify appropriate show and debug commands to monitor and troubleshoot the connections
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Voice over IP Signaling and Call Control
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Describe the need for and the operation of various signaling and call control models
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Describe call control services such as H.323, Session Initiation Protocol (SIP), and Media Gateway Control Protocol (MGCP)
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Explain the functional components of SIP and the interactions between them
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Explain the functional components of MGCP and their interactions
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Compare the H.323, SIP, and MGCP call control models
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Improving and Maintaining Voice Quality
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State the purpose for Voice Quality Measurement including codec choice, which affects quality
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List the challenges of transporting realtime voice in a non-realtime IP internetwork
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Describe Quality of Service (QoS) functional areas and tools and the effect of network design on QoS
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Describe jitter, its overall affect on voice quality, and how to overcome it
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授課語言 |
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粵語
(輔以英語) |
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課程費用 |
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最新收費請參閱「最新時間表」。 |
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