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Question :-

An 8 must be dialed at the beginning of a number for Public Switched Telephone Network (PSTN) access from the PBX. A technician wants to enable bypassing of the dial 8 code so that users can just dial numbers without first dialing the 8. Which of the following would the technician need to check before enabling this bypass to ensure the LEAST amount of problems?
That all extensions point to the correct least cost route table for dial access.
That all extensions are in the dial 8 range thus eliminating the need to dial 8.
That no extensions are in the dial 8 range so users can get PSTN access.
That no extensions are added in a range that might be an outside number.

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