C a l l f u n c t i o n s23■ Options during a callMany of the options that you can use during a call are network services.For availability, contact your network operator or service provider.During a call, select Options and from the following options:Call options are Mute or Unmute, Contacts, Menu, Lock keypad, Record,Loudspeaker or Handset.Network services options are Answer and Decline, Hold or Unhold, Newcall, Add to conference, End call, End all calls, and the following:Touch tones — to send tone stringsSwap — to switch between the active call and the call on holdTransfer calls — to connect a call on hold to an active call anddisconnect yourselfConference — to make a conference call that allows up to five persons totake part in a conference callPrivate call —to discuss privately in a conference callWarning: Do not hold the device near your ear when the loudspeaker isin use, because the volume may be extremely loud.