Study of delay patterns of weighted voice traffic of end-to-end users on the VoIP network
International Journal of Network Management
Trunking of TDM and narrowband services over IP Networks
International Journal of Network Management
VoIP over MPLS Networking Requirements
ICN '01 Proceedings of the First International Conference on Networking-Part 2
VoIP: A comprehensive survey on a promising technology
Computer Networks: The International Journal of Computer and Telecommunications Networking
Performance analysis of secure session initiation protocol based VoIP networks
Computer Communications
Evolution of signaling information transmission
ISRN Communications and Networking
Review: VoIP: State of art for global connectivity-A critical review
Journal of Network and Computer Applications
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Signaling has been one of the key areas of Voice over IP (VoIP) technologies since inception. H.323 was the key protocol that allowed interoperability of VoIP products and moved the industry away from the initial proprietary solutions. Once the VoIP industry started maturing, some limitations of H.323 came to light. In this article we provide an overview of H.323, describe its capabilities, and discuss how its limitations are being addressed using the concept of gateway decomposition. We also discuss how H.323 can coexist with other protocols such as MGCP, H.248, and SIP which are attracting a lot of interest in the VoIP industry today