Справочник Пользователя для Inter-Tel 8520

Model 8520 Display Phone User Guide

If you are not using a headset, you can talk handsfree using your speaker and micro-
phone. You can also use the speakerphone for on-hook dialing, call monitoring, and
background music.

hear you (this does not put them on hold):
Press .
To return to the call:
Press .

With the Group Listen feature, you can transmit a conversation over the speaker while
you use the handset or headset to continue speaking. This allows other people to hear
the caller while the caller can only hear you.

You cannot use this feature on a handsfree call. You must be on a call using

the handset or a headset before entering the feature code. 

To turn the group listen feature on or off during a call:
Press 

 and dial 

   

. You hear a confirmation tone (the other party does not

hear this tone).

If you are using the handset, the   key lamp will remain unlit, even though the

speaker is on. This allows you to place the call into handsfree mode at any time during
the call by pressing   and hanging up. If you are using a headset, however, the   key
lamp is lit. Pressing   will disconnect the call.