Below is for CAMEL Phase 4:-
Reference: 3GPP TS 29.078 V15.0.0 (2018-06)
3rd Generation Partnership Project;
Technical Specification Group Core Network and Terminals;
Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4;
CAMEL Application Part (CAP) specification (Release 15)
You will need to go to 3GPP dot org (URL).
VBR/ Wallis Dudhnath
3GPP TS 22.078: “Customised Applications for Mobile network Enhanced Logic (CAMEL); Service description, Stage 1”.