Call functionsPress [ ] to increase the volume level and [ ] todecrease the volume level.Using the external speakerUse the optional external speaker to talk and listenwith the phone a short distance away. First, you mustplug the speaker into the phone.4. Press <Options> and select End held call to endthe call on hold.5. To end the current call, press [ ].Answering a second callYou can answer an incoming call while already on thephone, if your network supports it and you have
