Cortelco 3719 instruction manual

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9.Never spill liquid on the telephone or push objects of any kind through ventilation slots. Liquid or objects may touch dangerous voltage points or short out parts that could result in a risk of fire or electrical shock.

10.Do not disassemble this product. Opening or removing covers may expose you to dangerous voltages or other risks. Incorrect reassembly can cause electrical shock when the product is subsequently used.

11.Do not overload outlets and extension cords. Some telephones require AC power from an outlet, overloading the outlets can result in the risk of fire or electric shock.

12.Avoid using a telephone during a local thunderstorm. There may be a remote risk of electrical shock from lightning.

13.Do not use a telephone in the vicinity of a gas leak to report the leak, or otherwise.

14.Unplug the telephone from the wall outlet and refer servicing to qualified service personnel under the following conditions:

When the line cord is frayed or plugs damaged.

If liquid has been spilled into the telephone.

If the telephone has been exposed to rain or water.

If the telephone does not operate properly by following the operating instructions. (Adjust only those controls covered by the operating instructions. Improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation.)

If the telephone has been dropped or the housing damaged.

If the telephone exhibits a distinct change in performance.

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Contents OWNER’S Page Table of Contents Usingthedirectory Usingthecalleridfunction Importantsafetyinstructions Page 3719FEATURES IntroductionChoosealocationforthetelephone InstallingyourtelephoneCheckthecontents PlugintheadapterInstallthetelephonelinecord Desktopinstallation WallmountinstallationREMOVINGTHEDESKTOP/WALLMOUNTWEDGE Factorypresets SetupEnter 2ND Code Enter 3RD Code Enter 4TH Code VM Access NUM Telephonefeatures Placingaphonecall Usingyour TelephoneReceivingaphonecall SpeakerphonebuttonDurationcounter VolumebuttonVolumeswitch REDIAL/PAUSEBUTTONHoldbutton FlashbuttonRingervolume CallwaitingdisplayMutebutton 10-11BUTTON/CONTRAST HeadsetcompatibleDataport VoicemailbuttonDirectorybutton NetworkservicesReviewbuttons MemorybuttonUsing the Directory ToStoreANewNumberAndNameIntoTheDirectoryDialingTelephoneNumbersInTheDirectory Using the Caller Idfunction MessagelightMessagewaiting Receivingcalls ReviewingcallsDeletingcalls CallbackdialMessageerror NodatasentPrivatecalls UnknowncallsUsing the Network Service Function To select the alternate Network Serv. Codes Telephone Service Problems PhonedoesnotringMaintenance Information CallersarenotdisplayedonthescreenRepair Ofyour Telephone FCC Wants YOU to Know Limited Warranty