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Full Description

The present document specifies the stage 1 description for the first and the second phase of the CAMEL feature (Customised Applications for Mobile network Enhanced Logic) which provides the mechanisms to support services consistently independently of the serving network. The CAMEL features shall facilitate service control of operator specific services external from the serving PLMN. The CAMEL feature is a network feature and not a supplementary service. It is a tool to help the network operator to provide the subscribers with the operator specific services even when roaming outside the HPLMN.

CAMEL is developed in phases. The following phases exist:
  • CAMEL phase 1. This is the default phase in the present document. Sections that are only aplicable to phase 1 are characterised with the formal designator - $(CAMEL1$)
  • CAMEL phase 2. It is characterised where necessary with the formal designation - $(CAMEL2$) and sometimes with an indication of CAMEL phase 2. - $(CAMEL2$)
A VPLMN or IPLMN supporting CAMEL phase 2 shall also support CAMEL phase 1. -$(CAMEL2$).

The CAMEL feature is applicable
  • to mobile originated and mobile terminated call related activities;
  • and, as a CAMEL phase 2 function, to supplementary service invocations - $(CAMEL2$)
The mechanism described addresses especially the need for information exchange among the VPLMN, HPLMN and the CAMEL Service Environment (CSE) for support of such operator specific services. Any user procedures for operator specific services are outside the scope of the present document.

The present document describes the interactions between the functions of the VPLMN, HPLMN, IPLMN and the CSE.

The second phase of CAMEL enhance the capabilities of phase 1 and are included in the present document. Following new topics are added:
  • New event detection points were defined.
  • It is possible to interact with a user using announcements, voice prompting and information collection via in band interaction or USSD interaction.
  • It is possible to control the call duration and to transfer e-values from a serving node to the mobile station.
  • The CSE can be informed about the invocation of GSM supplementary services (ECT, CD, MPTY).
  • For easy post processing, charging information from a serving node can be integrated in normal call records.
Detailed information can be found in the respective sections.
 

Document History

  1. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition; Stage 1 (3GPP TS 02.78 version 6.6.1 Release 1997)

    • Historical Version
  2. ETSI TS 101 285

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    Digital cellular telecommunications system (Phase 2+); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition; Stage 1 (3GPP TS 02.78 version 7.2.0 Release 1998)

    • Most Recent
  3. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition; Stage 1 (3GPP TS 02.78 version 7.2.0 Release 1998)

    • Historical Version
  4. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition - Stage 1 (3GPP TS 02.78 version 7.1.0 Release 1998)

    • Historical Version
  5. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition - Stage 1 (3GPP TS 02.78 version 6.5.0 Release 1997)

    • Historical Version
  6. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition - Stage 1 (GSM 02.78 version 6.4.0 Release 1997)

    • Historical Version
  7. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition - Stage 1 (GSM 02.78 version 7.0.0 Release 1998)

    • Historical Version
  8. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition - Stage 1 (GSM 02.78 version 6.3.0 Release 1997)

    • Historical Version
  9. ETSI TS 101 285


    Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile network Enhanced Logic (CAMEL); Service definition, Stage 1 (GSM 02.78 version 6.1.0)

    • Historical Version