Engleski rječnik
| off-hook | radno stanje linije | |
| off-hook | podignuta slušalica | |
| off-hook signal | signal podignute slušalice | |
| off-hook signal | signal aktivne linije |
| off-hook | radno stanje linije | |
| off-hook | podignuta slušalica | |
| off-hook signal | signal podignute slušalice | |
| off-hook signal | signal aktivne linije |