• Your shopping cart is empty!

  • ETSI I-ETS 300 380
Provide PDF Format

Learn More

ETSI I-ETS 300 380

  • Universal Personal Telecommunication (UPT); Access devices Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone
  • standard by European Telecommunications Standards Institute, 03/01/1995
  • Publisher: ETSI

$9.00$17.50


The mechanicanical & acoustical characteristics of a UPT DTMF access device which is accoustically coupled to the microphone of a handset telephony terminal.

Product Details

Edition:
1
Published:
03/01/1995
Number of Pages:
13
File Size:
1 file , 61 KB

Related Products

ETSI TS 146 020

ETSI TS 146 020

Digital cellular telecommunications system (Phase 2+); Half rate speech transcoding (3GPP TS 46.020 ..

$23.00 $45.00

ETSI TS 133 107

ETSI TS 133 107

Universal Mobile Telecommunications System (UMTS); 3G Security; Lawful Interception Architecture and..

$26.00 $52.50

ETSI ETS 300 679

ETSI ETS 300 679

Terminal Equipment (TE); Telephony for the hearing impaired; Electrical coupling of telephone sets t..

$11.00 $21.51

ETSI TS 122 112

ETSI TS 122 112

Universal Mobile Telecommunications System (UMTS); USIM toolkit interpreter; Stage 1 (3GPP TS 22.112..

$11.00 $21.51