What must be in place before an IP telephony solution can be implemented?

A company is interested in using IP telephony to save money on phone communications.

What must be in place before an IP telephony solution can be implemented?

A company is interested in using IP telephony to save money on phone communications.

What must be in place before an IP telephony solution can be implemented?

A.
optical network

B.
content network

C.
storage network

D.
switched network



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