Access and Terminals (AT); Specification of Dual-Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 2: Transmitters
STANDARD published on 6.5.2002
Designation standards: ETSI ES 201235-2-V1.2.1
Publication date standards: 6.5.2002
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: European technical standard
Category: Technical standards ETSI