The Challenges in Building a Carrier-Scale IP Network
BT Technology Journal
International Standards for VoIP
BT Technology Journal
SIP and H.323 — Interworking VoIP Networks
BT Technology Journal
BT Technology Journal
Quality VoIP — An Engineering Challenge
BT Technology Journal
BT Technology Journal
Assessed quality of service and voice and data integration: A case study
Computer Communications
Taking a Byte of Telephony Costs: UAA Migrates to VoIP
Journal of Cases on Information Technology
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With many raised expectations of what it will offer, voice over IP has enjoyed a high profile in the communications industry. However, in common with any emerging technology, the reality of the functionality that available equipment can deliver is often at variance with such expectations. This paper highlights the role of technology assessment in refining VoIP products and highlights the value of such activities from a number of perspectives. It describes an approach to evaluate VoIP solutions, the problems associated with the testing of VoIP networks and network components, and the tools and techniques employed to do so. The paper also outlines the capabilities of the BTexaCT VoIP technology evaluation test bed, and example case studies of detailed evaluation and testing.