- Out-of-Stock
Jonathan Davidson, James Peters
| Author: Jonathan Davidson, James Peters Translation: Aleksandra Jakubowska ISBN: 83-7279-500-2 Format: 16.5 x 24 cm, 344 pages Soft binding Publisher: MIKOM Series: Cisco Edition: First |
| About the book |
| VoIP technology integrates voice and data transmissions. It quickly becomes a very important factor in network communication. It allows to reduce operating costs, gives greater flexibility of operation, allows the use of many expanding applications. The book presents a comprehensive description of this new technology to help telephony and data processing specialists plan and organize new networks. The publication presents the construction and operation of a modern telephone infrastructure, the basic concepts of data and voice over the network, the transmission of voice as data and IP signaling protocols used in networks in cooperation with today's telephone systems. The authors discuss various VoIP advantages and applications and show how to ensure good voice quality on the network. The reader will find here: ? introduction of IP signaling protocols to PSTN services, including SS7; ? information on how VoIP can work with an existing telephone system in an efficient and scalable way; ? discussion of such VoIP issues as disruptions, latency, packet loss, codecs, quality of service tools and average results; ? presentation of functional components related to the use of Cisco gateways needed to introduce VoIP networks. Table of Contents: in the file 83-7279-500-2.pdf |
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The module enables the replacement of a mechanical potentiometer with an electronic one, has an SPI interface and a built-in MCP4151 circuit. MOD-49
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Rechargeable NiMH Battery Pack: 8.4 V, 900 mAh, 4+3 AAA Cells, JR Connector
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Replacing the 10/100 Ethernet port with onboard 802.11 b/g/n 2.4GHz WiFi and Bluetooth, the popular open source BeagleBone Black computer now comes with built-in wireless networking capability. Leveraging a partnership with Octavo Systems and designed in CadSoft Eagle, BeagleBone Black Wireless is the easiest to use and modify credit-card sized IoT Linux computer available. BBBWL-SC-562
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Printed circuit board and programmed layout for a miniature reminder. AVT5638 A +
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AVT kit for self-assembly of the USB-1-Wire converter. AVT1787 B
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A motor controller for the Raspberry Pi Pico, capable of supporting two DC motors or one stepper motor and connecting up to eight servos. Each motor channel offers up to 1 A of current, and built-in overload protection protects the system. The board features additional GPIO pins, analog inputs, and 3V and GND connectors for project expansion. Kitronik 5348
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Case for minicomputer Raspberry Pi 4 included with the fan. It consists of 9 elements.
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Bowden type extruder designed for 3D printers including the Ender 3 and Creality CR10, among others. It has high quality gears to ensure the filament is moved with confidence and precision. Trianglelab RNC Nano
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The Blebox Wifi controller is dedicated to the most modern digital tapes with 5 V and 12 V, but a LED strip with WS2812 / WS2811 driver is required. BleBox pixelBox
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Jonathan Davidson, James Peters