CLIP und CLIP no Screening - Calling Line Identification Presentation
So kann ich meine Panasonic KX-NS Serie (Version 6) ein - easybell
ETSI ETS 300 091 ed.1 (1992-03) - Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) and Calling Line Identification Restriction (CLIR) supplementary services; Functional capabilities and information flows
CLIR | Civauxelectric
1&1 Hilfe Center - Anklopfen-Funktion im 1&1 Router aktivieren