Cortelco 2203 instruction manual OWNER’S Instructionmanual

OWNER’S Instructionmanual Page Table of Contents Importantsafetyinstructions Savethese Instructions Telephone Usage SET UP/INSTALLATIONWall Mount Instructions Telephone Part Identification Telephone Features Holdbutton Flash SwitchFlashbutton DataportPausebutton SpeakervolumeMessage Waiting Lamp RY/BPosition DIP SwitchOFF HeadsetcompatiblePhonedoesnotring TelephoneserviceproblemsNo Dial Tone Have Dial Tone but Cannot Dial OUTMaintenance Information Telephonerepair FCC Information I, J IndexLimitedwarranty Telephonenumbers