The present document specifies the stage two description of the Voice Group Call Service (VGCS) which allows speech conversation of a predefined group of service subscribers in half duplex mode on...
The present document defines the principal purpose and use of different naming, numbering, addressing and identification resources (i.e. Identifiers (ID)) within the digital cellular...
The present document defines the USIM application for 3GPP telecom network operation. The present document specifies: - specific command parameters; - file structures; - contents of Efs (Elementary...