Cortelco 3719 instruction manual To select the alternate Network Serv. Codes

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If the network services are not functional after subscribing through your local telephone company and activating the
network services, then select the alternate set of network service codes.
To select the alternate Network Serv. Codes:
•	Disconnect the power adapter.
•	Hold down both Review buttons and the Delete button at the same time. Plug in power.
•	RS924-01 will appear in the display.
•	Select the Alternate Network Serv. Codes by pressing 2 on the keypad. Unplug.
•	Plug in power. Check the phone to make sure the correct set of codes display.

Note: Network Services can also be activated after lifting the handset or pressing the speakerphone button. Press the “Net Serv” key. Scroll through the menu and select the desired Network service. Press “Net Serv” again to activate the feature.

For questions about Network Services, please contact your local phone company.

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Contents OWNER’S Page Table of Contents Usingthedirectory Usingthecalleridfunction Importantsafetyinstructions Page 3719FEATURES IntroductionInstallingyourtelephone CheckthecontentsChoosealocationforthetelephone PlugintheadapterWallmountinstallation Installthetelephonelinecord DesktopinstallationREMOVINGTHEDESKTOP/WALLMOUNTWEDGE Factorypresets SetupEnter 2ND Code Enter 3RD Code Enter 4TH Code VM Access NUM Telephonefeatures Usingyour Telephone ReceivingaphonecallPlacingaphonecall SpeakerphonebuttonVolumebutton VolumeswitchDurationcounter REDIAL/PAUSEBUTTONHoldbutton FlashbuttonCallwaitingdisplay RingervolumeMutebutton Headsetcompatible Dataport10-11BUTTON/CONTRAST VoicemailbuttonNetworkservices ReviewbuttonsDirectorybutton MemorybuttonUsing the Directory ToStoreANewNumberAndNameIntoTheDirectoryDialingTelephoneNumbersInTheDirectory Messagelight Using the Caller IdfunctionMessagewaiting Receivingcalls ReviewingcallsDeletingcalls Callbackdial Messageerror 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