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	Cisco Press Deploying Cisco Voice Over IP Solutions (Cisco Core Technology S.) If you've got a wide area network (WAN) already, putting inter-office voice traffic on it is an obvious application for it. Voice signals take up so little bandwidth, and the cost savings can be so significant, that Voice over IP (VoIP) deserves serious consideration. However, you can easily throw away years of cost savings by bringing in consultants to implement your VoIP solution. <I>Deploying Cisco Voice over IP Solutions</I> is meant to help organisational information technology people (as well as engineers at service providers and, for that matter, the expensive consultants) learn how to design, implement, and fine-tune VoIP systems that centre on equipment and software from Cisco Systems. This book is all about Quality of Service (QoS), capacity management (gatekeeping), and network design. Cisco's implementations of fax services (under T.37 and T.38) and unified messaging (under uOne) are covered as well, but the authors leave most call-control matters to this book's companion volume, <I>Cisco CallManager Fundamentals</I>.<p&g t; The authors' approach, in large part, takes the form of a series of engineering problems, in which answers to design questions are given with lots of supporting math, equipment specifications, and references. In a discussion of setting up a transcontinental VoIP network, for example, the authors show how to configure Internetwork Operating System (IOS) 12.x to act as a gatekeeper and interact with CallManagers at both sites. There's IOS syntax, of course, but also a discussion of how Hot Standby Routing Protocol (HSRP) affects gatekeeping duties, and a complete table of options. A well thought-out system for providing prepaid calling-card services on a VoIP network--meaning there's a database and authentication built into the call flow--is a great conclusion. <I>--David Wall</I><p> <B>Topics covered</B>: design and implementation-time considerations for building a Voice over IP (VoIP) network on Cisco Systems hardware and software. Traffic analysis, echo, Quality of Service (QoS), dial plans, and extended services like fax and messaging get the attention of the all-Cisco authorial team.     Availability: Usually dispatched within 24 hours Shipping: refer to store website	£28.37 at Amazon.co.uk  4.5/5 Info All items of this shop
	Cisco Press Multi Protocol Label Switching and Virtual Private Networks (Cisco Core S.) Pages: 300, Hardcover, Cisco Press     Availability: In stock soon. Order now to get in line. First come, first served. Shipping: refer to store website	£36.54 at Amazon.co.uk  4.5/5 Info All items of this shop
	Cisco Press IS-IS Network Design Solutions (Cisco Core S.) Pages: 350, Hardcover, Cisco Press     Availability: Usually dispatched within 24 hours Shipping: refer to store website	£28.37 at Amazon.co.uk  4.5/5 Info All items of this shop
	Cisco Press Cisco Call Manager Fundamentals: A Cisco AVVID Solution (Cisco Core S.) Cisco Systems has lately become aggressive in promoting applications of the IP network infrastructure equipment that the company has traditionally sold. Cisco CallManager--the subject of <I>Cisco CallManager Fundamentals</I>--is essentially an IP-based Public Branch Exchange (PBX) that enables companies to carry their voice and data traffic on a single network infrastructure. This book explains how CallManager (originally developed by Selsius Systems) goes about providing call-control services to IP telephony devices and performing reliably as a corporate telephone switch, and offers insight into how the product may evolve. This book provides systems architects, engineers and implementation technicians with the details they need to build strong CallManager systems.<p>Written by members of the CallManager development team and extensively edited for accuracy, <I>Cisco CallManager Fundamentals</I> uses prose and remarkably clear network diagrams to make its points. People looking for a detailed understanding of how CallManager works will find themselves delighted. While technicians looking for click-this, click-that procedures will be generally disappointed (such didactic techniques are not typical of Cisco Press books), they will find a fair number of sections that explain, in general terms, how to do such administrative work as loading users' names into a CallManager database and routing calls to emergency numbers. <I>--David Wall</I><p><B&g t;Topics covered</B>: All aspects of Cisco CallManager, versions 3.0x and 3.1, of interest to the people who design, implement, and maintain the IP telephony solution. Matters of system architecture (with plenty of information about hardware and network requirements), call routing, media processing, and reporting are all covered. Neither details of CallManager's integration with the Intelligent Contact Manager (ICM) business-rules engine, nor much information on external Computer Telephony Integration (CTI) applications, are included here.     Availability: Usually dispatched within 24 hours Shipping: refer to store website	£31.01 at Amazon.co.uk  4.5/5 Info All items of this shop
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