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SIP Trunking (Networking Technology: IP Communications) von [Hattingh, Christina, Sladden, Darryl, Swapan, ATM Zakaria]
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SIP Trunking (Networking Technology: IP Communications) Kindle Edition

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Sprache: Englisch

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The first complete guide to planning, evaluating, and implementing high-value SIP trunking solutions


Most large enterprises have switched to IP telephony, and service provider backbone networks have largely converted to VoIP transport. But there’s a key missing link: most businesses still connect to their service providers via old-fashioned, inflexible TDM trunks. Now, three Cisco® experts show how to use Session Initiation Protocol (SIP) trunking to eliminate legacy interconnects and gain the full benefits of end-to-end VoIP.


Written for enterprise decision-makers, network architects, consultants, and service providers, this book demystifies SIP trunking technology and trends and brings unprecedented clarity to the transition from TDM to SIP interconnects. The authors separate the true benefits of SIP trunking from the myths and help you systematically evaluate and compare service provider offerings. You will find detailed cost analyses, including guidance on identifying realistic, achievable savings.


SIP Trunking also introduces essential techniques for optimizing network design and security, introduces proven best practices for implementation, and shows how to apply them through a start-to-finish case study.


  • Discover the advanced Unified Communications solutions that SIP trunking facilitates
  • Systematically plan and prepare your network for SIP trunking
  • Generate effective RFPs for SIP trunking
  • Ask service providers the right questions—and make sense of their answers
  • Compare SIP deployment models and assess their tradeoffs
  • Address key network design issues, including security, call admission control, and call flows
  • Manage SIP/TDM interworking throughout the transition


This IP communications book is part of the Cisco Press® Networking Technology Series. IP communications titles from Cisco Press help networking professionals understand voice and IP telephony technologies, plan and design converged networks, and implement network solutions for increased productivity.

Über den Autor und weitere Mitwirkende

Christina Hattingh is a member of the technical staff in the Access Routing Technology Group (ARTG) of Cisco. The ARTG router product portfolio, including the Cisco 2800, 3800, 2900, and 3900 Series integrated services routers and their predecessors, was one of the first Cisco platforms to converge voice and data starting in the late 1990s by offering TDM voice interfaces, WAN interfaces, and critical QoS features. Over time sophisticated call control and routing elements were integrated into the router-based platform making stand-alone VoIP deployments and wide inter-vendor VoIP network interoperability possible. In this role, Christina trains Cisco sales staff and customers and consults widely on voice network deployment and design. She is a long-time speaker of the Cisco Networkers and CiscoLive conferences. Christina holds a graduate degree in mathematical statistics and computer science from the University of Pretoria, South Africa. Darryl Sladden is a product manager at Cisco and has been with Cisco for more than ten years. Currently, Darryl is a member of the ARTG at Cisco. The ARTG responsibilities include the Cisco ISR and ISR G2, AS5000, and the Cisco Unified Border Element (CUBE). Darryl has been a key contributor to the AS5000 product, CUBE, and several other VoIP technologies at Cisco for several years. The CUBE and the AS5000 product lines are widely used by service providers and enterprise customers as border elements between SIP, H.323, and TDM networks. Darryl has worked with many service provider and enterprise customers who use CUBE to implement SIP Trunks into both Cisco Unified Communications Manager (CUCM) and Cisco Unified Communications Manager Express (CUCME) solutions. Darryl has a degree in mathematics from the University of Waterloo and holds a patent in the use of voice-based network management, and several other patents are under consideration. ATM Zakaria Swapan is a member of the technical staff in the ARTG at Cisco. The ARTG responsibilities include the Cisco 2800, 3800, 2900, and 3900 Series integrated services routers and the CUBE. ATM has been a key contributor to SIP, Secure Unified Communications, Wireless Voice, Network Intelligence, Network Virtualization, RSVP, and many other developments. ATM has also worked with service providers and enterprise customers who use CUBE to implement SIP Trunks into both CUCM and CUCME solutions. ATM holds an M.S. degree in computer science from Texas A&M University and a B.S. degree in computer science and engineering from Bangladesh University of Engineering and Technology (BUET).


  • Format: Kindle Edition
  • Dateigröße: 5568 KB
  • Seitenzahl der Print-Ausgabe: 360 Seiten
  • Gleichzeitige Verwendung von Geräten: Bis zu 5 Geräte gleichzeitig, je nach vom Verlag festgelegter Grenze
  • Verlag: Cisco Press; Auflage: 1 (18. Februar 2010)
  • Verkauf durch: Amazon Media EU S.à r.l.
  • Sprache: Englisch
  • Text-to-Speech (Vorlesemodus): Aktiviert
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  • Word Wise: Nicht aktiviert
  • Verbesserter Schriftsatz: Aktiviert
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  • Amazon Bestseller-Rang: #1.092.969 Bezahlt in Kindle-Shop (Siehe Top 100 Bezahlt in Kindle-Shop)

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HASH(0x9f632f48) von 5 Sternen advantages of moving to SIP 15. März 2010
Von W Boudville - Veröffentlicht auf
Format: Gebundene Ausgabe
What's so great about SIP and why should you [ie. your company] migrate to it? The book explains at various levels the reasons. Succinctly, you should look at Chapter 4, which has an easily understood thread.

One main reason is simply to reduce toll charges for long distance, international and local access calls. If you have already informally used VoIP, then going to SIP is essentially a corporate equivalent of moving to it. To some readers, the best reason for SIP is what you can then avoid dealing with your local phone company, which the book characterises as often inflexible and giving poor service.

Typically, SIP leads to a more efficient use of your Internet bandwidth. When there are few [incoming or outgoing] calls using SIP, then that "unused" bandwidth is available for general Internet access by your users and by visitors to your website.

The book also briefly mentions Power of Ethernet, where a device using this has just one cable that carries both an Internet connection and power. Eliminating the extra power cable can be useful.

Unfortunately, the book is marred by a poorly edited first chapter. This chapter was hastily written and not proofread. The ITU is not the Internal [sic] Telecommunications Union. While IEFT in one section is meant to be IETF. Sadly, on page 2, we see nonsense like "200 to 2000 khz", "20 kz to 20,000 hkz" and "20 kz to 20,000 kHz". The chapter will be most readers' initial impression of the book, and this is just sloppy.
HASH(0x9f7dfd68) von 5 Sternen Technical Review 3. August 2012
Von JAT - Veröffentlicht auf
Format: Gebundene Ausgabe
This book is the right tool to have if you are investigating or are in the process to implement SIP trunk in your company. The book has a chapter that cover Cost Analysis between Sip trunk and TDM implementation that will help you to decide if your sip trunk approach will increase or decrease your current Telecom budget, The book also describe the main components of SIP trunk and how this can impact your current WAN network implementation, in addition, the book raise some awareness of bandwidth increase requirements for branch offices and headquarter locations and what you need to consider before start experience some Jitter and delay issues.
The book have a complete chapter that cover the three implementation models expected in the enterprise, the benefits and concern about Centralized, Hybrid or Decentralized model are cover and explained in order to provide you better visibility and help you to decide the right model for your company. The book have a chapter that provide some considerations for the design and implementation but don't expect to understand this part if you don't have a technical background or knowledge about routers or Voice gateway configuration. You still can read it but you will have some problems understanding the technical information.
The book have a complete chapter that will help you to elaborate the right questions to TELCO vendors (SIP Trunk provider) before you decide to sign the three years contract with the wrong vendor. The questions cover pretty much what you need to know and will educate you about what you can expect to get with this type of service. Project managers will love this chapter, especially if they don't have a Technical back ground and never hear about SIP trunks in the past.
The last but not the least, the book cover two deployment scenario with two major vendors like AT&T and Verizon. The book assume that you have some type of Cisco Call Manager implementation and will walk you through for the expected configuration in the CUBE device (Voice gateway) to allow your CUBE to connect to CUCM and the Vendor equipment. The book will cover some scenarios where your CUCM implementation is old and the only option between your CUBE and CUCM is H323, this will allow some folks that still are running CUCM 4.x, 5.x or 6.x to still use the SIP trunk functionality.
The conclusion, this book is very good reference for any sip trunk implementation even if you don't have any technical background but you want to be educated about the SIP Trunk technology.
HASH(0x9f65a828) von 5 Sternen Well Worth It! 9. Juni 2011
Von SHAWN MCHENRY - Veröffentlicht auf
Format: Gebundene Ausgabe
The authors of SIP Trunking have done an exceptional job. They take basic VOIP principles and build on them throughout the text, adding more layers in each chapter.

Particularly helpful is Chapter 10 - Deployment Scenarios. This chapter give stellar examples for Enterprise and SMB deployments on Cisco platforms, even citing configurations for a couple of large US based carriers.

Even if you're not deploying on a Cisco-centric platform this book gives a very solid foundation of SIP. A must have for anyone contemplating SIP in their environment.
HASH(0x9f530774) von 5 Sternen Great book for planning SIP trunking as part of your enterprise UC journey! 1. November 2014
Von Marcus V F Oliveira - Veröffentlicht auf
Format: Kindle Edition Verifizierter Kauf
This is a great book if you want to understand and plan your enterprise move to SIP trunking as a first step in your UC journey, including centralized and distributed architectures and selecting service offerings and service providers.

It would have been perfect for me if it devoted more content to putting together the business case, including TCO, ROI, etc. as this is one of the main challenges related to adopting a new technology and securing the budget for it.
I would also have liked a bit more content on the design aspects of SIP trunking going up to a complex case of a large global enterprise centralizing their call management into infrastructure located in 2 or 3 different Data Centers around the world.

Finally, I feel that this book requires one more round from the editors as I found a few errors here and there, missing words and even a duplicate sentence.

Nonetheless, it is very close to what I was looking for in a book about SIP trunking.
HASH(0x9f7c2eb8) von 5 Sternen Network security collections must have this 20. Juli 2010
Von Midwest Book Review - Veröffentlicht auf
Format: Gebundene Ausgabe
SIP TRUNKING offers the first complete guide to planning and implementing SIP trunking solutions, and is written for network architects, consultants and service providers already working with SIP operations. It covers SIP trunking technology and trends and offers insights on techniques for optimizing network design and security. Network security collections must have this.
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