Voice Services in Next-Generation Networks: The Evolution of the Intelligent Network and Its Role in Generating New Revenue Opportunities

摘要

At least half of all interexchange carrier (IXC) voice calls can be classified as 800/Freephone or virtual private network (VPN) calls, generating on the order of $20 billion in revenue for IXC operators in the United States. As next-generation net- work operators deploy their packet data backbones, these advanced voice services will become essential to network operators seeking to attract key business customers. Furthermore, as incumbent local exchange carriers (ILECs) growth their packet data back- Bone business, they will gain new revenue-generating opportunities by interworking Their existing voice services with new data networks.