Cisco Voice And Video Conferencing Fundamentals Pdf

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Understanding the role that CUCM plays in a converged network from a system, software, and hardware perspective is necessary for successfully installing and configuring CUCM. This lesson introduces and describes the role, Architecture , hardware and software requirements, and the licensing model of the CUCM.

Cisco Unified Communications Manager Architecture

Voice over Internet Protocol VoIP , also called IP telephony , is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol IP networks, such as the Internet. The terms Internet telephony , broadband telephony , and broadband phone service specifically refer to the provisioning of communications services voice, fax , SMS , voice-messaging over the Internet, rather than via the public switched telephone network PSTN , also known as plain old telephone service POTS. The steps and principles involved in originating VoIP telephone calls are similar to traditional digital telephony and involve signaling, channel setup, digitization of the analog voice signals, and encoding. Instead of being transmitted over a circuit-switched network , the digital information is packetized and transmission occurs as IP packets over a packet-switched network. They transport media streams using special media delivery protocols that encode audio and video with audio codecs and video codecs. Various codecs exist that optimize the media stream based on application requirements and network bandwidth; some implementations rely on narrowband and compressed speech , while others support high-fidelity stereo codecs. Early providers of voice-over-IP services used business models and offered technical solutions that mirrored the architecture of the legacy telephone network.

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A correctly configured firewall is essential for a successful calling deployment. We require ports for signaling, media, network connectivity, and local gateway and because Webex Calling is a global service, we recommend that you leave all of the ports listed below open. Not all firewall configurations need ports to be open but if you're running inside-to-outside rules, you should open ports to allow the protocols required for service out. When a phone connects to a network for the first time or after a factory reset, and there are no DHCP options set up, it contacts a device activation server for zero touch provisioning. New phones use "activate. Phones with firmware release earlier than We recommend that you allow both the domain names through your firewall.

Cisco Aci Lab Guide

Steve Fry , a technical leader in the Cisco Unified Communication organization, has spent the last several years designing and developing telephony and conferencing products. Thoroughly understand the fundamentals of audio and video conferencing over IP networks Architect networks for optimal performance and reliability in conferencing applications Leverage new advances in video architecture, from emerging codecs to distributed implementations Understand how SIP and H. Books in this series introduce networking professionals to new networking technologies, covering network topologies, sample deployment concepts, protocols, and management techniques. During his 10 years as a technical leader at Cisco, Scott developed architectures and solutions related to video conferencing, voice and video streaming, and voice-over-IP security. Thiya Ramalingam is an engineering manager for the Unified Communications organization at Cisco.


The authors, Cisco Press, and Cisco Systems, Inc., shall have neither liability nor Voice and Video Conferencing Fundamentals provides readers with in-depth insight into the Committee), June sicm1.org


Voice and Video Conferencing Fundamentals

Cisco Aci Lab Guide If you already know about dcloud, then. I never got a chance to try it out before we deployed our network, but might be worth looking into. Cisco ACI guides. Looks like you're using an older browser.

Find more details at www. At the end of this course students will be able to install, configure, maintain and troubleshoot Cisco visual collaboration solutions. This course assists the student in preparing for the Cisco TelePresence Video Specialist certification. Currently there are no training dates scheduled for this course. You can schedule a private, onsite training session or request a public date by emailing info fastlaneus.

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