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Technical requirements for the handover interfaces for the execution of telecommunications surveillance

4.2.3.6 Ad hoc HI-1 interface: Message flow for a real-time interception cancellation order

This section provides an overview of the message flow for ad hoc real-time interception cancellation order.

CSP PTSS

Admin. Admin.

Function Function

Adm. CREATERequest Adm.

LITask

ObjectID = LITask:ObjectID,

DesiredStatus = Active

CREATEResponse

ObjectID = LITask:ObjectID

Status : AwaitingProvisioning LITask created with

Status:

«AwaitingProvisioning»

PTSS orders cancellation DesiredStatus = Cancelled

UPDATERequest

ObjectID = LITask:ObjectID

DesiredStatus : Cancelled

UPDATEResponse

ObjectID = LITask : ObjectID

UPDATERequest

ObjectID = LITask:ObjectID

DesiredStatus : Cancelled

UPDATEResponse

ObjectID = LITask : ObjectID

LITask : Status = Cancelled

Figure 4-9: Message flow for a real-time interception cancellation order based on ad hoc HI1 interface