Intercept Related Information events to be reported by the GCS AS include:
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When GCSE communications group involving a target of interception is activated (enabled for communications)
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When GCSE communications group involving a target of interception is deactivated (no longer enabled for communications)
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When a User is added to an active GCSE communications group
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When a User is dropped from an active GCSE communications group
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Start of Interception with an Active GCSE communications Group
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End of Interception with an Active GCSE communications Group
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Modification of Target Connection to GCS AS.
A set of possible elements as shown in Table 16.4 are used to generate the events.
Observed IMSI
IMSI of the target.
Observed IMEI
IMEI of the target.
Observed ProSe UE ID
ProSe UE ID of the target.
Observed Other Identity
Other Identity of the target
Event type
Description which type of event is delivered: Group Activated, Group Deactivated. Group Add Member, Group Drop Member, Start of Intercept with Active Group, End of Intercept with Active Group, Modification of Active Group.
Event date
Date of the event generation in the GCS AS.
Event time
Time of the event generation in the GCS AS. Timestamp shall be generated relative to the GCS AS internal clock.
Observed Communications Group ID
Identifies the GCSE communications group at the GCS AS.
GCSE Group Communication Characteristics
Details of the Group Communications Service to which the Target is a member including such characteristics such as voice, video, and data communications.
GCSE Communications Group Membership List
List of all users that are members of the GCSE communications group. Not all members may be participants in a group communications.
GCSE Communications Group Participants
List of all users that are participating in the GCSE communications group.
Correlation Number
The correlation number is used to correlate CC and IRI. The correlation number is also used to allow the correlation of IRI records.
Network Element Identifier
Unique identifier for the element reporting the ICE.
Added User ID
Identity of the party successfully added to an active GCSE Communications Group.
Dropped User ID
Identity of the party successfully dropped from an active GCSE Communications Group.
Target Connection Method
Identifies the current target connection method with the GCS AS including whether the target is connected at all.
Modified Target Connection Method
Identifies the modified target connection method with the GCS AS when the target connection method changes including whether the target is connected at all.
Identity of Visited Network
Identifies the visited network from which the target is connecting to the GCS AS.
Length of TMGI Reservation Time
Identifies the length of time reserved for use of a TMGI for a GCSE Communications Group.
Reserved TMGI
Identifies the TMGI reserved for use by a GCSE Communications Group.
Location information
Location information of the target, e.g., Cell ID as known by the GCS AS.
Time of Location
Date/Time of location. The time when location was obtained by the location source node.