In 2002 voice over IP will constitute more than 25 per cent of all longdistance voice calls according to Network World. Thats more than a 30 percent rampup from... » 

In 2002 voice over IP will constitute more than 25 per cent of all longdistance voice calls according to Network World. Thats more than a 30 percent rampup from 2001. The emergence of SIP MPLS and new quality of servicetools is making carrier grade voice over IP a service reality and apotentially huge margin booster and revenue driver for service providers. Thefirst edition of Carrier Grade Voice over IP played a roll in VoIP growth inless than year becoming an essential tool for carriers working to provide highquality IP telephony. This new edition vastly updates the SIP chapter detailsMPLS and takes the explanations of the previous edition a step further in afinal chapter that shows step by step how to design working VoIP networks. «