
European digital cellular telecommunications system (Phase 1); Procedures for Call Progress Indications (GSM 02.40)
STANDARD published on 1.1.1995
    
        Designation standards: ETSI GTS 02.40-V3.2.0
                
                
                
               
                Publication date standards:  1.1.1995
        The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
        Country:          European technical standard
        Category: Technical standards ETSI