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Citation

Kolberg M & Magill E (2005) Detecting Interactions between SIP Call Control Services. In: Reiff-Marganiec S & Ryan M (eds.) Feature Interactions in Telecommunications and Software Systems VIII. Feature Interactions in Telecommunications and Software Systems VIII, Leicester, UK, 28.06.2005-30.06.2005. Amsterdam: IOS Press, pp. 147-162. http://www.iospress.nl/book/feature-interactions-in-telecommunications-and-software-systems-viii/

Abstract
The Session Initiation Protocol (SIP) is a strong contender as a call control protocol for Voice over IP (VoIP), and indeed commercial implementations are readily available off-the-shelf. SIP supports flexible service provisioning not only through third parties, but also end-users. Laboratory experience shows that as these services are interworking they are subject to the feature interaction problem. Feature interactions may considerably delay service deployment and hence are a threat to rapid service provisioning. This paper investigates the feature interaction problem in SIP-based services and investigates the application of a pragmatic approach. This runtime approach does not require any detailed information about the services and hence can be applied in a competitive market. Furthermore, the approach is particularly strong in detecting interactions between distributed services - a key characteristic of SIP-based services.

Keywords
Feature Interactions; Runtime Approach; SIP; VoIP