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Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplementary service; Stage 2 (GSM 03.91)
STANDARD published on 31.7.1996
Designation standards: ETSI GTS GSM 03.91-V5.0.2
Publication date standards: 31.7.1996
SKU: NS-314124
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-07-09 (Number of items: 2 207 504)
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