ETSI EN 300 188-1
- Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification
- standard by European Telecommunications Standards Institute, 06/01/1998
- Publisher: ETSI
$19.00$37.00
Related Products
ETSI EN 300 267-2
Integrated Services Digital Network (ISDN); Telephony 7 kHz, videotelephony, audiographic conference..
$13.00 $25.50
ETSI TR 100 028-1
Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of ..
$50.00 $99.00
ETSI TS 126 233
Universal Mobile Telecommunications System (UMTS); End-to-end transparent streaming service; General..
$9.00 $17.50
ETSI TS 101 235-4
Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 4: Receivers for ..
$9.00 $17.50