ADTRAN 1950859L1 user manual Different values may be chosen for better sound quality

ADTRAN IP SoftPhone User Manual The Settings Dialog

Audio Devices

Figure 9 shows the Audio Devices menu for the media configuration. Detailed information on these configuration options is listed below. When the information is complete, select OK to save the settings.

Figure 9. Media Audio Devices Menu

Device Name

Select from the drop-down menu the audio device to use as a headset, speaker phone, or USB.

Force Sampling Rate

Different values may be chosen for better sound quality.

Voice Activity Detection

Voice Activity Detection (VAD) allows the ADTRAN IP SoftPhone to detect speech activity. Change these values to alter the sensitivity.

61950859L1-1A Copyright © 2006 ADTRAN, Inc. 37