Which of the following is not a function of a VoIP gateway?
a. Provides an interface for IP telephony calls to the PSTN
b. To interface one IP telephone system with another
c. Makes sure that the proper signaling is included
d. Does not package data
d. Does not package data
Explanation: The gateway's function is to provide an interface for IP telephony calls to the PSTN or to interface one IP telephone system with another. This requires that the voice data be packaged for transport over the IP network or the PSTN. The gateway also makes sure that the proper signaling is included for the voice data packet transport.
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