IP Telephony - Robust VoIP Services
Book Review: Voice Over IP Services,Book Review: IP Telephony - Robust VoIP Services
| Book Title: | PBX Systems for IP Telephony |
| Author: | Allan Sulkin |
| Publication: | McGraw-Hill Professional April 2002 |
| ISBN: | 0071375686 |
Bill Dousakalis has indeed provided a much needed and awaited material on the latest hot topic in the telecommunication and networking sector VoIP or Voice over Internet Protocol. VoIP is the latest development in the telecommunication sector which has reduced the cost of long distance calls even up to a fraction of the original cost of transferring the call though satellites and other means.. Effect of VoIP
All Leading Internet Service Providers (ISP’s) are providing Internet based telephony services and due to the emergence of overseas companies working at earth down prices, demand for low cost solution for voice data transfer was needed and VoIP solved the purpose and is why the most popular topic in the industry now.Covers All Basics
Bill Dousakalis has tried to provide this content in a very effective manner covering all the basics in Implementation, Maintenance and testing of the systems used to provide VoIP. The leading expert in the technology had provided in-depth problems and their solutions in his book which is indeed a source for all the technical info a person could ask for in the field of VoIP.Variety of Topic under one roof
The strongest point of the book is that it provides a variety of topic under one roof which most of other books don’t offer. For example complex issues in the area like Voice quality testing, Protocol signaling, topological consideration, SS7 are dealt with great in-depth which certainly provide much info on the matter.Low level protocols Covered
It also covers the low level working as how the voice traffic is actually carried by IP networks like RTP and RTCP and also describes one another great technology i.e. Fax and Fax over networks package (Email Fax). All topics in fax and fax packets like T.30, T.37 and T.38 are clearly explained which add much to reader’s knowledge.Accompanying CD full of useful material
Not only the book but the accompanying CD is also full of great know-how in the field by addition of VoIP software’s like HP Internet Advisor that runs offline and lets you view the sample VoIP traffic without even needing to connect to internet.Sample provided in the CD are also great for beginners as well as for advance level persons working in the field and captures cutting edge technology protocols like MGCP, SIP and H 323. High quality white papers accompanying the CD provides much technological inside over the technology and covers almost all the topics regarding the VoIP.
