Chapter 4 - Telephone 4-14. TelephoneTo make phone calls, the following requirementsmust be met:• An activated SIM card must be inserted.• The phone interface must be switched on.For a description of the phone interface keys andespecially the button, see Chapter 13 ”Phoneinterface” on page 13-1.Note: The phone interface keys are not func-tional when the device cover is open.The Telephone application is activated by press-ing the Tel. application button on the keyboard.Some of the telephony operations explainedhere can be made via the phone interface.Note the following Telephone properties:• Opening or closing the cover does not affectactive phone calls.• If you have made a voice call via the phoneinterface and you open the cover, the Tele-phone application starts automatically. Youcan continue the call after activating thehandsfree mode (see ”Telephone settings” onpage 4-1).• When you make a call via the communicatorinterface, the handsfree mode is activatedautomatically.Note: In some US networks, to make a long dis-tance call to another GSM phone youneed to add +1 and the area code in frontof the phone number. Please check withyour network operator.Telephone settingsTo view the Tel. application settings:Press Settings in the Telephone main view. A listof several settings groups will open:Ringing settingsVoice call forwardVoice call restrictionsCall waitingCalling card settingsSingle number settingsOther settingsTo change the settings:Å Select a group and press Change to open it.Ç Select a setting and press Change to open it.For network services such as call forward, callrestrictions or call waiting, you must request thesetting status from the network with the Getstatus command. See the following sections fordetails.Ringing settingsAll sounds — Ring (default), Beep, Silent or Silentfor. The All sounds setting determines the in-coming call alert and all other alarms. The Silentfor setting lets you preset the length of time youwant the silent mode to be active. You may wantto use this setting so you do not forget to turnthe ringing tone back on after a meeting, for ex-ample. When sounds are set to Silent, Beep, orSilent for, the call status indicator shows thetext SILENT. This setting affects both interfaces.An incoming call is always indicated by a note,regardless of the chosen setting.