private branch exchange en · NOUN
Pronunciation
- (Australia) audio
Meanings
- A telecommunications switching system, physically located at a customer's place of business, that provides internal communication between users and also access to outside (trunk) telephone lines.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| private branch exchanges | Number=Plur | lexicographic | |
| PBX | Abbr=Yes | lexicographic |