No, the Viking IP phones are based on a simplex design, with automatic voice activated switching. When the party that answers the call is talking, the speaker is turned on and the microphone is turned off. When the party that answers the call stops talking, the speaker is turned off and the microphone is turned on. This design eliminates the possibility of feedback between the unit’s microphone and speaker.
Modified on: Wed, 19 Feb, 2020 at 10:06 AM
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