The New Telephony: Technology Convergence, Industry Collision Review

Average Reviews:

(More customer reviews)Voice telephony remains the 900 pound gorilla of the networking business. The Internet
and other data services may exceed voice by volume but they are way back in the pack
when it comes to revenue. Voice telephony represents a $800 Billion business worldwide
while all of the Internet and other data communications represents only about $200 Billion.
This is the golden goose that cisco, Juniper and all of the proponents of Voice over IP have
their sights set on. It is also the cash cow that ATT, Lucent, Nortel and the Baby Bells
are entrenched to defend. This book gives a very readable introduction to the business and
policy issues involved in this network convergence.

Anyone who would like to understand the telephony business in both its classical TDM guise
and int eh new clothes of voice over IP would do well to read this timely book. There is just
enough technology background here to prepare non-engineers to understand the business
and policy issues surronding VoIP. Traditional telephony is presented along with the Internet
and it's associated protocols. The author then introduces the technologies of voice over IP
and releated technologies intended to enable the Internet to deliver a quality of service
adequate to carry voice. The complex puzzle of Diffserv and MPLS, RSVP, RTP and RTCP
are all laid out in their proper place and relation along with H.323, MEGACO and SIP.

After giving us a thorough introduction to the technology Walters gets down to the business
issues of building the new telephony including an exploration of six scenarios of possible
futures for the industry. The final chapter looks at the effects of the economic downturn that
has been plaguing the entire industry for the past two years as well as the repurcussions
of the September 11 attacks in New York and Washington.

If you want to study the bits and bytes of VoIP protocols then this is not the book for you.
(For that read Carrier Grade Voice over IP) but if you want to understand the upheaval
convulsing the communications industry the there is no better or more timely book.

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In The New Telephony, one of the industry's most respected experts presents a comprehensive framework for understanding where telecom has come from, where it stands, and where it's headed. Telcordia principal and fellow Stephen M. Walters compares the strengths, weaknesses, and business models of traditional and Internet-focused service providers, then thoroughly evaluates the key factors that will drive - or prevent - success in tomorrow's radically new telecom environment.

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