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1) Which of the following is a typical function of VoIP...

1) Which of the following is a typical function of VoIP gatekeepers?

Group of answer choices



Converting between RTP packets and PSTN voice bit streams


Registering terminals or User Agents (UAs)


Converting VoIP signaling and SS7 signaling on the PSTN


Converting between different audio codecs (i.e., voice transcoding)


2) Which of the following is a traditional telephony feature that existed before VoIP?

Group of answer choices



Webinar broadcasting


Using a public telephone number (E.164) to receive faxes in one's private e-mail box


Converting a voicemail to text to deliver it via e-mail


Using a DID number to directly reach a local extension without an attendant


3) Calculate the number of erlangs that is equivalent to 36 CCS.

Group of answer choices



0.6 



36 


3,600

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