Which functionality do TIE trunks provide?

Question

Options

• Aconnects atelephone companies' central officeand the PBX of a customer
• Bconnects two different PBXs, whether In the same budding or farther away
• Callows an outside caller to dial a station on a PBX directory
• Dprovide incoming or outgoing service only, and not acombination of incoming/outgoingconnections

• A
  16% (8)
• B
  71% (35)
• C
  8% (4)
• D
  4% (2)

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