GSM Phase 1/2 Interworking Specification
TS 09.90Rel-5Radio Access2GIntermediate
Specifies interworking between GSM Phase 2 mobile stations and Phase 1 infrastructure, ensuring backward compatibility and service continuity.
Protocol Definition
Document Type
Technical Specification
Network Layer
RAN
Subcategory
Protocol Interworking
Business Impact
Medium
Key Technologies
GSM
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View the complete text of 3GPP TS 09.90 with table of contents and cross-references.