AASTRA 6700i for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 18)

Using the Aastra 673xi / 675xi
16
Call Protection
You can configure a function key with the do not disturb function (please refer to
Function Keys Reference starting on page 30).
1. Press the function key to activate the do not disturb function.
The LED indicator next to the function key lights up. The person calling hears the
ringing tone, but your telephone does not signal the call.
2. Press the function key once again to deactivate the do not disturb function.
Adjusting Volume Level
You can adjust the volume of the ringer, of the handset or of the speaker with the
Volume keys
.
• During call signalling you can adjust the volume of the ringer.
• While making a call, you adjust the volume of the handset or – in the handsfree
mode – the volume of the speaker.
Using Headset
A headset can be connected to an Aastra 673xi / 675xi. You can press the Handsfree
key in this case in order to accept and end calls
. You can configure via the
Options menu of the Aastra 673xi / 675xi, whether to use the headset or the speaker
for handsfree operation (see Settings starting on page 30).
The Aastra 6730i / 6731i does not provide a separate headset connector. With these
telephones, you can replace the handset with a headset.
Note
Establishing a call can be delayed with SIP telephony. When using a headset, e.g. you
should wait a second before you begin to speak.