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Explanation of colors
Queried object
Refers to a base object, e.g. a base protocol or interface.
Refers to a child of the object.
Refers to a dependency. If it changes then this might be impacted as well.
This is an extra visible attribute of the object.
The given object refers to this object. Referrals are only of the main object.
component
HSS
description
Represents the UMTS-HSS.
type
external
abbreviation
UMTS
Universal Mobile Telecommunications System
abbreviation
HSS
Home Subscriber Service
message
UDR
User Data Request
message
UDA(ACK)
Positive User Data Answer
message
UDR
User Data Request
message
UDA(NACK)
Negative User Data Answer