European Telecommunications Standards Institute, TS 101 044 V5.2.0 (Nov. 1997), Digital cellular telecommunications system (Phase 2+); Customized Applications for Mobile network Enhanced Logic (CAMEL)—Stage 2 (GSM 03.78 version 5.2.0). |
European Telecommunication Standards Institute, ETS 300 374-1, Intelligent Network (IN); Intelligent Network Capability Set 1 (CS1); Core Intelligent Network Application Protocol (INAP); Part 1: Protocol specification, Sep. 1994. |
“IS-41 for Mobility Management”, International Conference on Universal Personal Communications, US, IEEE, New York, New York, pp. 158-162, XP000494916. |
International Search Report, PCT/US99/21119. |