Advanced functionsNortel Mobile Communication Client 3100 for Windows Mobile User Guide 61Figure 10: Call-me-First modeUse both call modes to configure a service number in your MCC 3100 forWindows Mobile system settings. However, if you do not configure aservice number, you can only use the Call-me-First mode. For moreinformation, see “Owner Information settings” on page 39.Calling individualsThe following options are available for calling an individual:• “Dialing a number” on page 61• “Calling from the Buddy list” on page 64Dialing a numberPlace a call by dialing an extension or telephone number.1. Expand the Phone pane.2. Select Menu, Input Method, Use keypad.3. Dial the contact extension or PSTN number.Note: To enter a + sign, press and hold the 0 key on the dialpad.4. Specify your own number by doing one of the following:— To use your mobile number in Direct Outbound mode, press thegreen call button or select Menu, Call.