Carrier VoIP,Book Review: provide a very efficient way to learn the new emerging technology i.e. VoIP concepts at an easy pace. The author is having a lot of real time experience regarding VoIP, hence making the book a worth reading one. The book covers in depth details of the VoIP making it useful to both the novice as well as experts working in the VoIP field..
Explains Why TCP/IP is not suitable for IP telephony
Due to an immense real time experience in the field, the author provides suitable points to prove the fact that the IP telephony cannot be used on TCP/IP protocol and new technology and other protocols such as ITU and IETF must be used in order to successfully run an efficient IP telephony system. Author provides easy to read and non-technical language points to support most of his ideas which makes it suitable to be read and understood by even beginners trying to learn the basic concepts of VoIP.
Speech Coding Techniques
Daniel Collins provides a very good overview of the speech coding techniques used in telephony systems and the related terms in an entire chapter dedicated for the cause. All technical terms like Adaptive Differential PCM (ADPCM), Analysis-by-Synthesis (AbS), Low-Delay CELP (LD-CELP) and Algebraic Code-Excited Linear Prediction (ACELP) are explained in much detail making the user a master of the concepts of Speech Coding Techniques.
Complete Coverage of VoIP Protocols such as H.323 and Session Initiation Protocol (SIP)
A full chapter dedicated to the most sought industry protocol H.323 provides users a complete view over all aspects of the H.323 protocol which is widely used in the VoIP industry. Other important protocols such as SIP are discussed in another chapter which lets a user compare and view the Advantages/Disadvantages of the two protocols.
Coverage of QOS or Quality of Service Techniques
The Author had tried his best to provide all the technological stuff under the book as all the technical aspects of QoS such as RSVP, Diffserv and MPLS are explained in great details which clearly demonstrates the author ability to provides in-depth answers to all technical aspects of the VoIP technology and the book is indeed a valuable resource for all interested in VoIP technology.
