ÖVE/ÖNORM EN 300392-3-15 V1.2.1

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: - Transport layer independent, General design [i.5]. - General design, PSS1 over E.1 [13]. - General design, SIP/IP [14]. - Transport layer independent Additional Network Feature Individual Call (ANF-ISIIC) [9]. - Transport layer independent Additional Network Feature Group Call (ANF-ISIGC) [10]. - Transport layer independent Additional Network Feature Short Data Service (ANF-ISISDS) [i.2]. - Transport layer independent Additional Network Feature, Mobility Management (ANF-ISIMM) (the present document). - Generic Speech Format Implementation [i.4].