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"Developing Secure Peer to Peer VoIP Applications" presentation at ClueCon Conference, Chicago, IL Vikrant Mathur, TransNexus Senior Software Engineer, will present "Developing Secure, Multi-lateral Peer to Peer VoIP Applications" at the ClueCon Conference in Chicago, IL. An abstract of the presentation is provided below. Introduction Peer to peer VoIP communications promise greater network efficiencies and simpler operations. However, this same enabling technology raises a major business issue for large VoIP carriers who manage multi-lateral interconnection among a large number of service provider domains. The issue is: How does the inter-exchange VoIP carrier realize the benefits of peer to peer communications within the telephone business model which requires secure inter-carrier routing, access control and accounting (call detail records). A solution to this problem, deployed by major VoIP carriers such as ATT, NTT, MCI, Telekom Indonesia, Chungwha Telecom (Taiwan) and Primus is based on the Open Settlement Protocol (OSP). In the OSP model, the VoIP inter-exchange carrier is the common certificate authority for all peers. By using standard Public Key Infrasturcture (PKI) technology, which is widely used by financial institutions, VoIP carriers can securely authorize and account for peer to peer communications over the Internet without the expense and inefficiency of deploying a proxy to control the peer to peer communication. OSP is a global OSS/BSS protocol managed by the European Telecommunication Standards Institute (ETSI). Version 1 of OSP was ratified in 1998 and version 4 of OSP is now being expanded to provide greater support for wireless and video applications. The OSP protocol is widely supported by a wide variety of VoIP platforms ranging from Cisco VoIP gateways to Asterisk. Objective The objective of this presentation is to educate VoIP developers on how to implement OSP in applications so service providers can securely manage and bill for peer to peer communications. Agenda
i. Public / Private key pairs ii. Digital certificate iii. Non-repudiation
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