ISDN-GSM PLMN Signalling Interface

TS 09.12Rel-5Core Network2GIntermediate

Specifies ISUP version 2 interface between ISDN and GSM PLMN for interconnection, supporting speech/audio/data connections and supplementary services.

Protocol Definition

Document Type

Technical Specification

Network Layer

CoreNetwork

Subcategory

Interworking

Business Impact

Medium

Key Technologies

GSMISDNSS7

Read Full Specification

View the complete text of 3GPP TS 09.12 with table of contents and cross-references.