Configuration©2001 Nokia Mobile Phones. All rights reserved. 313 Confirm the new PIN by re-entering the code followed by #.Adjusting telephone speaker volumeTo adjust the telephone set’s speaker volume, key in 0**x during the call, the xrepresenting a value between 1 (the lowest volume level) and 10 (the highestvolume level). The default value is 5.Activating IOFTo activate the IOF (Intensity of Field) feature, key in 777**#. Placing the receiv-er on the hook completes the function.Advanced settingsThe more advanced settings can be modified when the Nokia 22 is in configu-ration mode.The following settings are available in configuration mode:• Loop interruption time in milliseconds• Polarity reversal time in milliseconds• CLI mode• Network selection• PBX application module extension mode change• Terminal restartActivating configuration modeTo activate configuration mode, key in **####**.The configuration mode is protected with a four-digit access code. When con-figuration mode has been activated, the Nokia 22 requires an access code forchanging the settings. The default code is 1234. To change the default accesscode, use the Nokia 22 Configurator Software.To enter the access code, key in AccessCode#.Note: After changing the configuration mode values the Nokia 22 mustbe restarted in order to save the new settings. Restart the terminal inthe configuration mode by keying in 555**#.