During a callMute or unmute the microphone — Select or .Put an active voice call on hold — Select or .Activate the loudspeaker — Select . If you have attached a compatible headsetwith Bluetooth connectivity, to route the sound to the headset, select Options >Activate BT handsfree.Switch back to the handset — Select .End a call — Select .Switch between active and held calls — Select Options > Swap.Tip: To put an active call on hold, press the call key. To activate the held call,press the call key again.Send DTMF tone strings1. Select Options > Send DTMF.2. Enter the DTMF string or search for it from the contacts list.3. To enter a wait character (w) or a pause character (p), press * repeatedly.4. To send the tone, select OK. You can add DTMF tones to the phone number orDTMF field in contact details.End an active call and replace it with another incoming call — SelectOptions > Replace.End all calls — Select Options > End all calls.Many of the options that you can use during a voice call are network services.Voice mailboxTo call your voice mailbox (network service), in the home screen, selectTelephone, and select and hold 1.Make calls© 2010 Nokia. All rights reserved.38