23 results for "VoIP" between € 5.00 and € 7,500.00

While the SPA9000 will work with any SIP compatible IP Phone, it is the ideal host for Linksys IP Phones, such as the SPA901, SPA921, SPA922, SPA941, and SPA942. Powerful configuration capabilities enable the SPA9000 to support a greater set of advanced features with these IP Phones, such as shared line appearances, hunt groups, call transfer, call parking lot, and group paging. With its two FXS ports, the SPA9000 can support traditional analog devices such as telephones, answering machines, FAX...

Block debilitating VoIP attacks by learning how to look at your network and devices through the eyes of the malicious intruder. This title shows you, step-by-step, how online criminals perform reconnaissance, gain access, steal data, and penetrate vulnerable systems. It covers various hardware-specific and network-centered security issues.

A course in Voice over Internet Protocol implementation. It shows how to analyze your network and implement a VoIP phone system, manage and maintain it, keep it secure, and troubleshoot problems. It helps you to learn how to plan the rollout, work with Session Initiation Protocol (SIP), handle fax issues, and keep your users happy.

Provides several hands-on projects for building a VoIP network, showing you how to tweak and customize a multitude of things to get the job done. This guide aims to serve as an introduction to the world of VoIP and teach you how to use it to save money, be more productive, or just impress your friends.

Description Communicate free of cost on VoIP internet using the unmatched Skype software- simple yet efficient thanks to its colored Starter Kit that features your favorite Superhero! The VoIP (Voice over Internet Protocol) technology enables you to communicate with another user of this software free of cost. This kit has a earphone, the Skype software on CD-ROM as well as a 30 minutes of free communication on fixed telephone line. More information

Operated using the keypad. Supports 10 types of languages displaying Chinese, simplified Chinese, English, German, France, Japanese, Korean. With blue backlight. With ring tones and adjustable volume. PC-to-PC and PC-to-phone operation'. Plug-and-play. Fully compatible with USB1.1 and USB 2.0. No need for sound card. External power not required. Support Echo cancellation, noise reduction. Support Skype, and Skype speed-dialing function. Full duplex communication. USB Audio Device class...

This USB IP phone features a stylish and contemporary design which makes it perfect for use in either home or office

The Cisco Unified Wireless IP Phone 7921G supports a host of calling features and voice-quality enhancements, including: IEEE 802.11a, b, and g standards; A larger (2-inch) color display (176 X 220 TFT); Speakerphone capabilities; A new combination charger and speakerphone stand; Dedicated keys for push-to-talk, mute, and volume; Longer battery life (90 hours standby time).An intelligent wireless infrastructure can help you extend advanced voice and unified communications capabilities across your...

This is a power supply (UK Version - 3 pin) that has been designed to be deployed with Linksys/Sipura VoIP products

Description The PC 26 USB is a single-sided starter headset with superior sound, providing great value for money. It’s the perfect gear for voice recognition, Internet telephony and all VoIP applications. The stylish design and comfortable fit make it an ideal choice for office and home use.