USSD Operations Stage 3 Specification
TS 04.90Rel-7Services2GIntermediate
Defines stage 3 protocols for network and mobile initiated USSD operations including request and notification procedures.
Protocol Definition
Document Type
Technical Specification
Network Layer
Services
Subcategory
Supplementary Services
Business Impact
Medium
Key Technologies
GSM
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View the complete text of 3GPP TS 04.90 with table of contents and cross-references.