AudioCodes C470HD - Adjusting Speaker Volume; Adjusting Headset Volume; Playing Incoming Call Ringing through USB Headset; Using the Phone as a USB Speaker

CHAPTER5 Performing Teams Call Operations
C470HD | Users & Administrator's Manual
Adjusting Speaker Volume
Thevolumeofthespeakercanbeadjustedtosuitpersonalpreference.Itcanonlybeadjusted
during a call.
➢ To adjust the speaker volume:
1. Duringacall,activatethespeakerkeyonthephone.
2. Touch+or-;thevolumebarisdisplayedonthescreen.Afteradjustingthevolume,the
volumebardisappearsfromthescreen.
Adjusting Headset Volume
Headsetvolumecanbeadjustedduring a calltosuitpersonalpreference.
➢ To adjust the headset volume:
1. Duringacall,activatetheheadsetkeyonthephone.
2. Touch+or-onthephone;thevolumebarisdisplayedonthescreen.
Playing Incoming Call Ringing through USB Headset
The phone features the capability to ring via a USB  headset in addition to via the phone 
speaker.
➢ To play the ringing of incoming calls via the USB headset:
■ Configurethefollowingparameter:
audio/stream/ringer/0/audio_device=BOTH(default),BUILTIN_SPEAKERorTYPE_USB
● BOTH:IncomingcallsplaythroughboththeUSBheadsetandthephone’sspeaker.
● BUILTIN_SPEAKER:Incomingcallsplaythroughthephone’sspeaker.
● TYPE_USB:IncomingcallsplaythroughtheUSBheadset.
Using the Phone as a USB Speaker
TheDeviceDuofeatureenablesthephonetobeconfiguredasapairedaudiodevice.Thefea-
tureallowsuserstousetheirphonenotonlyasastandalonedeskphonebutalsoasasmart
audiodeviceforallkindsofUCapplicationsrunningonthePC.FromtheTeamsappper-
spective,thephoneislikeanyUSBspeakerwithallcontrolsavailableintheTeamsapponthe
USBspeakerinterface.
For more information, see the Device Duo Application Note for Personal Use.
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