Asthe convergence of “traditional” telecommunications and the Internet is gaining momentum, new network capabilities are being designed to support future services over Internet Protocol (IP) based network infrastructure. The papers selected for this special issue aim to address fundamental issues increating an environment for better service support, including next generation broadband access networks, IP security and transition to IPv6, Session Initiation Protocol (SIP) signaling, VoIP performance, and new collaborative service provisioning models in mobile networks.
This special issue of the Infocommunications Journal comprises five original peer-reviewed research papers,based on those initially presented at the 10th International Conference on Telecommunications – Con-TEL 2009, held in Zagreb, Croatia, in June 2009. They were selected from a total of 67 papers accepted for publication at ConTEL 2009, and they were significantl y extended before submission for potential journal publication. All submitted papers were reviewed by at least three independent reviewers for assessment. Authors had to satisfactorily respond to the reviewers’ comments and to revise the papers accordingly before the final acceptance.