Call functions29• Press and hold [ / ] to mute the ringer.Viewing missed callsIf you have missed calls, the screen displays howmany calls you have missed and the phone numberyou have last missed.Press [ ] to dial the number displayed.Using the headsetUse the headset to make or answer calls withoutholding the phone.Connect the headset to the jack on the right side ofthe phone. The button on the headset works asfollows:Options during a callYou can access a number of functions during a call.Adjusting the volume during a callUse [ / ] to adjust the earpiece volume during a call.Press [ ] to increase the volume level and [ ] todecrease the volume level.Answering a second callYou can answer an incoming call while already on thephone, if your network supports this function andactivates the call waiting feature.1. Press [ ] to answer the call. The first call isautomatically put on hold.2. Press [ ] to switch between the calls.Making a three-way callIf you have activated the three-way calling service,you can have conversation with two peoplesimultaneously.To Pressredial the last call the button twice.answer a call the button.end a call the button.