Supplementary Services Layer 3 Protocol

TS 04.80Rel-7Services2GIntermediate

Defines coding and messaging for supplementary service operations on mobile radio interface layer 3, covering call independent and call related services.

Protocol Definition

Document Type

Technical Specification

Network Layer

CoreNetwork

Subcategory

Supplementary Services

Business Impact

Medium

Key Technologies

GSM2G

Read Full Specification

View the complete text of 3GPP TS 04.80 with table of contents and cross-references.