17 CSE related congestion control

22.0783GPPCustomised Applications for Mobile network Enhanced Logic (CAMEL)Release 17Service descriptionStage 1TS

It shall be possible for the CSE to suppress either all or some CAMEL interrogations from a V/IPLMN, when the V/IPLMN is the subscriber’s HPLMN. If there is a bilateral agreement the operators may also apply congestion control between different networks.

The criterion to suppress CAMEL interrogations is one of:

1. called address or,
2. service key or,
3. called address and service key or,
4. calling address and service key

If the congestion control prevents contact with the CSE, the V/IPLMN shall proceed in accordance with the Default Call Handling.

Congestion Control is applicable to CAMEL control of circuit switched call. It is not applicable to CAMEL control of GPRS session and PDP context, and to CAMEL control of short message.