ETSI EN 300 453
- Access and Terminals (AT); Ordinary and Special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S); Terminal equipment interface
- standard by European Telecommunications Standards Institute, 07/01/2001
- Publisher: ETSI
$13.00$25.50
Related Products
ETSI TR 101 864-3
Satellite Earth Stations and Systems (SES); Satellite Component of UMTS/IMT-2000; High Level Analysi..
$13.00 $25.50
ETSI TS 100 392-5
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 5: Peripheral Equipment Interface (PE..
$43.00 $85.50
ETSI TS 101 207-2
Identification card systems; Telecommunications IC cards and terminals; Test methods and conformance..
$34.00 $68.00
ETSI ETS 300 640
Human Factors (HF); Assignment of alphabetic letters to digits on standard telephone keypad arrays..
$7.00 $14.00