General information8General informationAbout this manualThis document contains general descriptions of the technical options, which may not alwaysbe available in individual cases. The respective features must therefore be individually de-fined in the terms of the contract.If a particular function on your phone is not available to you, this may be due to one of thefollowing reasons:• The function is not configured for you or your telephone. Please contact your systemsupport representative.• Your communications platform does not feature this function. Please contact your ser-vice personnel for information on how to upgrade.This user guide is intended to help you familiarize yourself with Octophon F620 and all of itsfunctions. It contains important information on the safe and proper operation of yourOctophon F620 phone. These instructions should be strictly complied with to avoid operat-ing errors and ensure optimum use of your multifunctional telephone in the network.These instructions should be read and followed by every person installing, operating or pro-gramming an Octophon F620 phone.This user guide is designed to be simple and easy to understand, providing clear step-by-step instructions for operating your Octophon F620 phone.Administrative tasks are dealt with in a separate manual. The Quick Reference Guide con-tains quick and reliable explanations of frequently used functions.ServiceIf you experience problems or defects with the phone, please dial the service number foryour country.For your own protection, please read the section dealing with safety in detail. Followthe safety instructions carefully in order to avoid endangering yourself or other per-sons and to prevent damage to the unit.The service department can only help you if you experience problems or defectswith the phone.Should you have any questions regarding operation, your specialist retailer or net-work administrator will gladly help you.For queries regarding connection of the telephone, please contact your network pro-vider.