GSM Basic Call Handling Specification

TS 03.18Rel-7Core Network2GIntermediate

Defines technical procedures for handling mobile originated and terminated calls in GSM networks, covering call setup, release, and supplementary services integration.

Protocol Definition

Document Type

Technical Specification

Network Layer

CoreNetwork

Subcategory

Call Control

Business Impact

High

Key Technologies

GSMMAPISUP

Read Full Specification

View the complete text of 3GPP TS 03.18 with table of contents and cross-references.