Toshiba Strata CIX IP5000-UG-VC - Manual (Page 60)

SoftIPT
Basic SoftIPT Functions
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Strata CIX IP5000-series Telephone UG 07/09
Using Echo Canceller
If you have a headset plugged into the microphone/speaker jack of the PC, you do not
have to always enable echo canceller. We recommend you to enable echo canceller in
the event you want to use the PC's embedded microphone/speaker as a speakerphone
device and not attach a headset to the microphone/speaker jack of the PC. If the PC
does not have an embedded microphone even if it has embedded speaker, you do not
have to enable echo canceller because a headset would be plugged into the
microphone/speaker jack, see figure below.
To use Echo Canceller, click the Audio Setting of SoftIPT and check the Using Echo
Canceller box as shown below.
Enabling Echo Canceller