 |
| |||
| incoming-call protection; station guarding; "do not disturb" (PABX feature) | |||
| protection against calls; controlled station restriction; station forced busy | |||
| call-protection | |||
| do-not-disturb service (Leistungsmerkmal); do-not-disturb facility (Leistungsmerkmal); station guarding (Leistungsmerkmal); don't disturb (Leistungsmerkmal) | |||
| Anrufschutz: 2 phrases in 1 subject |
| Telecommunications | 2 |