______ in a telephone circuit refers to the speaker's voice bouncing back from certain disjunctions of the circuit such that the speaker can hear parts of his or her conversation.Group of answer choicesJitterDelayMiterEcho

After using the telephone you have built, fill in the blanks to describe how sound travels from the speaker's mouth to the listener's ear.  are transferred form the speaker’s mouthto the inside his/her cupthen to the then to the  in the string then to the cup of the then to the air inside the cupand finally to the of the listener.

A local telephone network is an example of a _______ network. Packet switched Circuit switched Bit switched Line switched

A _______ gateway acts as an interface between the telephone network and a VoIP network. Such gateways typically manage a large number of digital circuits.Group of answer choicesTrunkingResidentialCall blockingHDD

___ refers to an automated phone call used to contact thousands of voters simultaneously; it may feature a recorded message by the candidate or a popular party leader—or an attack on the opponent.Group of answer choicesRobocallAutomated callnone of the answers mentionedVoters call PreviousNext

________ provides a numerical measure of the quality of human speech at the destination end of the circuit.Group of answer choicesCall blockingMean Opinion ScoreLicensingProcessing