30Call functions5. To end the current call, press [ ].Answering a second callYou can answer an incoming call while already on thephone, if your network supports this function and youhave activated the call waiting feature.p. 1021. Press [ ] to answer the call. The first call isautomatically put on hold.2. Press <Swap> to switch between the calls.Using the speakerphone featureUse the speakerphone feature to talk and listen withthe phone a short distance away.Press [ ] and then <Yes> to activate thespeakerphone feature. Press [ ] again to switchback to the earpiece.Using In-call optionsPress <Options> to access the following optionsduring a call:• Voice clarity on/Voice clarity off: removeextraneous noise and increase call quality so thatthe person with whom you are speaking can hearyou clearly even if you are in a noise place.• Mute/Unmute: switch off the phone's microphoneso that the other person on the phone cannot hearyou, or switch it back on.• Mute keys/Send keys: switch the key tones offor on.• Phonebook: access the contact list.If you are using the speakerphone feature, youmust first deactivate it in order to use the voiceclarity feature.To communicate with answering machines orcomputerised telephone systems, Send keysmust be selected.