Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 5: Additional Network Featurefor Mobility Management (ANF-ISIMM)
The present document defines the mobility management of interworking at the Inter-System Interface (ISI) for Terrestrial Trunked Radio (TETRA) system supporting Voice plus Data (V+D).The TETRA V+D Inter-working - basic operation part defines the Inter-System Interface (ISI) between the SwMIs as specified in the following sub-parts:• Additional Network Feature - Inter-System Interface General Description (ANF-ISIGD).• Additional Network Feature - Inter-System Interface Individual Call (ANF-ISIIC).• Additional Network Feature - Inter-System Interface Group Call (ANF-ISIGC).• Additional Network Feature - Inter-System Interface Short Data Service (ANF-ISISDS).•