Services — Gsm Вђ“ Architecture, Protocols And

GSM provides a variety of standard services and built-in security measures:

Manages radio links and dedicated channel allocation. GSM – Architecture, Protocols and Services

Uses modified versions of LAPD (called LAP-Dm) for the air interface and SS7 protocols (MTP) for the network interface. Layer 3 (Network): Divided into three sublayers: GSM provides a variety of standard services and