Redialing; Dialing A Missed Call - AudioCodes C450HD User And Administrator Manual

After dialing a destination number, the phone displays the Calling screen while playing a ring-
back tone.

To toggle between mute and unmute
Touch

You can mute the microphone of the handset, headset, or speaker during a call so that the
other party cannot hear you. While the call is muted you can still hear the other party. Muting
calls can also be used during conference calls.
 To toggle between device and speaker
Touch

 To end a call before it's answered at the other end
Touch

 To dial a URL:
1. Press the speaker key or lift the handset and then touch the 'Place call' field.
2. Enter a URL address. To delete (from right to left), touch the clear key.
5.1.1

Redialing

You can redial a number you previously dialled.
 To redial:
Press the REDIAL hard key on the phone; the first call listed in the Calls screen redialled.

5.1.2

Dialing a Missed Call

The phone logs all missed calls. The screen in idle state displays the number of missed calls
adjacent to the Calls softkey.
 To dial a missed call:
1. Touch the Calls softkey and then in the Calls screen navigate to the missed call to dial if
there is more than one listed.
2. Scroll down (if necessary) and select the missed call and then touch
User's and Administrator's Manual
. Touch it again to revert.
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450HD IP Phone
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Document #: LTRT-13263