Public Switched Telephone Network (PSTN); 2-wire analogue voice band switched interfaces; Timed break recall (register recall); Specific requirements for terminals
NORMA vydána dne 24.2.2000
Designation standards: ETSI ES 201729-V1.1.1
Publication date standards: 24.2.2000
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI