CALLING AND ANSWERING
Placing Audio-only  Calls and Adding Audio-only  Sites
You may be able to use your Polycom HDX system to place an 
Placing an Audio-only  Call
You can place an 
Phone, Voice Over ISDN, or Voice Over IP enabled.
To place an audio-only  call from your system:
1.On the Place a Call screen, enter the number you want to call.
To place a call within your PBX system, enter the internal extension instead of the full number.
To delete a digit, press 
 Delete on the remote control.
2.Press 
 Call to place the call.
Adding an Audio-only  Call to a Video Call
To add an audio-only  call after your video call connects:
1.Press 
 Call on the remote control.
2.Select Add Call.
3.Use the number buttons on the remote control to enter the telephone number of the audio participant that you want to add to your video conference.
4.Press 
 Call on the remote control.
Adding a Video Call to an Audio-only  Call
If you are already in an 
To add a video call after your audio-only  call connects:
1.On the Place a Call screen, enter the number you want to call.
2.Press 
 Call to place the call.
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