## Introduction

04.083GPPMobile radio interface Layer 3 specificationRelease 1998TS

The present document includes references to features which are not part of the Phase 2+ Release 96 of the GSM Technical specifications. All sub-clauses which were changed as a result of these features contain a marker (see table below) relevant to the particular feature.

The following table lists all features that were introduced after Release 1996.

 Feature Designator BA Range IE handling $(impr-BA-range-handling)$ Advanced Speech Call Item $(ASCI)$ Call Completion Busy Subscriber $(CCBS)$ Mobile Assisted Frequency Allocation $(MAFA)$ Network Indication of Alerting in MS $(NIA)$