2 Interface applications

3GPP44.001General aspects and principlesMobile Station - Base Station System (MS - BSS) interfaceRelease 16TS

Figure 2 shows some examples of the application of GSM MS-BSS interfaces. The following cases are shown:

i) access of simple handportable or vehicle mounted MSs;

ii) access of an MS with multiple terminal equipment installation;

iii) access of a mobile PBX or LAN;

In addition, the figure identifies internetwork interfaces for connections to:

iv) land-line ISDN networks;

v) dedicated service networks.

+———-+

| Simple |

| MS +-+ +———–+

| | | | Dedicated |

+———-+ | | service |

| +—><—-| network |

| +——-+ +———–+

+-| |

+———–+ | GSM |

| MS with | +–| |

| multiple +–+ +——-+

| terminal | | | +———+

| equipment | +-+ +—><—-| ISDN |

+———–+ | | network |

+——–+ | |

| Mobile | +———+

| PBX * |

| or LAN |

+——–+

—+

+— MS-BSS interface

–><— Fixed network – GSM network interface

* This case has not been specified yet.

Figure 2: Examples of GSM interfaces