AASTRA 6757i Installation Guide EN - Manual (Page 29)

Model 57i IP Phone Installation Guide 23
Other Phone Features
Using a Headset with your Telephone
The 57i accepts headsets through the modular jack on the back of the
phone. Contact your telephone equipment retailer or distributor to
purchase a compatible headset. A non-amplified headset is required.
Customers should read and observe all safety recommendations
contained in headset operating guides when using any headset.
Note: For best headset performance, Aastra recommends non-amplified headset
equipped with modular connector.
Making and Receiving Calls using a Headset
1. Ensure that you have selected a headset audio mode by accessing the
Options menu. See the section "Customizing your Telephone" on
page 15 for detailed information.
2. Plug the headset into jack.
3. Press the
key to obtain dial tone or answer an incoming call.
Depending on the audio mode selected from the Options menu, dial
tone or an incoming call will be received on either the headset or the
handsfree speakerphone.
4. Press the
N
key to end the call.