173. Call functions■ Make and answer a callTo make a call, enter the phone number, including the countrycode and area code if necessary. To call the number, press the callkey. To increase or decrease the volume of the earpiece or headsetduring the phone call, use the scroll key.To answer an incoming call, press the call key or the middleselection key. To reject the call without answering, press theend key.■ Make a conference callConference calling (network service) allows you to talk to twoother people at the same time.1. Call the first participant.2. Select Options > New call, and call the next participant.3. When the call is answered, to set up the conference call, pressthe call key.4. To end the conference call, select Options > End all calls, orpress the end key.