Below are more CAMEL specifications from 3GPP.
CAMEL / IN (Intelligent Network) is based on a Finite State Machine (FSM) model. The specifications define core Functional Entities: (gsm)SSF, (gsm)SCF, SDF, (gsm)SRF, IP, etc.. that are used in the Network.
3GPP TS 22.078: CAMEL Service Description; Stage 1
3GPP TS 23.078: CAMEL Phase 4; Stage 2
3GPP TS 29.078: CAMEL Phase 4; CAMEL Application Part (CAP) specification
3GPP: Contents of each CAMEL phase
3GPP TS 23.278: CAMEL Phase 4 – Stage 2; IM CN Interworking
3GPP TS 29.278: CAMEL Application Part (CAP) Specification for IP Multimedia Subsystems (IMS)
3GPP TR 21.978: Feasibility Technical Report – CAMEL Control of VoIP Services
VBR/ Wallis Dudhnath