telephone exchange

Definition

Any equipment that establishes connections between telephones.

Example Sentences

• "This valley didn't have a telephone exchange until 1903, when the leading citizens of this town invested in a company to establish one."
• "Holonyms: telephone number, phone number"
• "A: You can telephone him at 2719. B: What's the [telephone] exchange? A: LA6. I'm sorry, that's LA6-2719."