Interoperability of secure VoIP terminals

• An interoperability test automation system has been implemented at the Wireless Communication Technologies Research Laboratory (KITAL) at TUBITAK BILGEM for secure IP communication terminals. Designed and manufactured at BILGEM, MILSEC-4 terminals provide VoIP signalling using SIP and end-to-end secure communication using SCIP protocols. This test system, called Shadow Coordinator, aims to verify the interoperability of terminals implementing SCIP, SIP and other related protocols. A simplified EFSM model for the expected behavior of a terminal implementing SCIP is introduced. A more advanced version of this model is used to genearate minimum-length and maximum coverage test sequences.

Keyword

IP networks;Internet telephony;open systems;telecommunication equipment testing;telecommunication security;telecommunication signalling;EFSM model;IP communication terminal security;KITAL;MÍLSEC-4 terminals;SCIP protocols;SIP;TUBITAK BILGEM;VoIP signalling;Wireless Communication Technologies Research Laboratory;end-to-end secure communication;interoperability test automation system;maximum coverage test sequences;secure VoIP terminals;shadow coordinator;Automation;Graphical user interfaces;Interoperability;Protocols;Software;Telephone sets;Testing;Interoperability;SCIP;SIP;VoIP;test automation

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