IP Telephony The Integration of Robust VolP Services

Now that virtually every leading telecommunications service provider has committed to delivering IP-based telephony services, communications professionals face the enormous challenge of implementation. This hands-on guide brings together today's best-know...

 Putting voip to work Softwitch network design and testing

VoIP and softswitching: technical challenges, proven solutions State-of-the-art testing techniques for ensuring superior QoS Key design approaches for MPLS and differentiated services Covers protocols, topologies, and call flows By the author of the ...