Aastra Telecom 41-001286-00 Locking/Unlocking the Keypad, Changing the PIN Code for VoIP Settings

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Using the 420d Handset

Locking/Unlocking the Keypad

You can lock and unlock the keypad on the phone when required. When locked, it prevents unauthorized users from using your phone, and prevents you from accidently hitting the keypad if you are carrying the phone around.

To lock or unlock the keypad do the following.

1.Press the * key.

2.Press the Lock or Unlock softkey.

Note: The keypad unlocks automatically when you answer an incoming call, or if you make an emergency call. For more information about emergency calls, see Making Emergency Calls on page 49.

Changing the PIN Code for VoIP Settings

Under some configurations, selected menus are protected with a PIN code. With a PIN code set no one is able to access these menus on your handset without first entering the 4-digit code. If you need to know your PIN code, contact your System Administrator or try the default value "2222". Once you have entered the correct PIN code you can change it using the phone handset.

To change a VoIP PIN code, do the following.

1.In Idle mode, press OK z to display the Main Menu.

2.Select Settings and press OK z.

3.Select VoIP settings, and press OK z.

4.If prompted, enter the current 4-digit PIN code and press OK z.

5.Select Change PIN code and press OK z.

6.Enter a new PIN code using the numbers on the keypad, and press OK z.

You can enter up to 4 numerical characters for your PIN. The characters display as you type, but are encrypted after saving the PIN.

Note: If you or someone else has already set a PIN code, you need to enter the old code to access the VoIP settings menu.

7.Press the Yes softkey when prompted to save the PIN code.

8.For future reference, write your new PIN code here:

Note: The new PIN code does not take effect until the MBU 400 has been reset.

Changing the Access Code

The access code is used to ensure your handset connects to the correct gateway in an environment with more than one gateway present. Handset and gateway access codes must be the same at all times, and all handsets must use the same code as the gateway.

Note: If you forget the gateway access code and are unable to register a handset, the access code can be reset by the System Administrator using the web interface.

When registering a new handset, ensure that its access code is modified to the same value as the access code of the gateway. For information on how to register the handset, see Manually Registering/De-registering a Handset on page 60.

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Aastra MBU 400 User Guide

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Contents MBU 400TM Page Table of Contents Table of ContentsManaging Calls Important Safety Instructions Important Safety InstructionsImportantes mesures de sécurité Software License Agreement Software License AgreementFCC Information FCC InformationUS Service Center Consumer InformationApplicable for Coin or Pay Phone Only Safety Information Safety InformationBattery Disposal Information For countries outside the European UnionPage About This Guide About This GuideDocumentation Features MBU FeaturesCall and Telephony Features IntroductionOther MBU Features Aastra 420d Handset FeaturesDisplay Audio Features Other Handset FeaturesInstallation and Setup RequirementsGetting Started Getting StartedMBU Gateway Registering the 420d Handset Call420d Handset Key Descriptions Keys Key DescriptionMBU 400 IP Address and System Status IP address of your phone systemStarted Configuring Your Phone for First-Time UseGetting Configuring the Phone Using the Handset Specify the Domain and the SIP proxyGetting Started Using the 420d Handset Using the 420d HandsetIdle Mode Options Handset Idle ScreenHandset Main Menu Main MenuUsing the Volume Control Using the SpeakerphoneChanging the Access Code Changing the PIN Code for VoIP SettingsLocking/Unlocking the Keypad Changing the Access Code on the Gateway Changing the Access Code on the HandsetEntering Text, Numbers, and Symbols Customizing Your PhoneCustomizing Your Phone Changing the Handset NameText Input Modes Input SymbolsInput Characters Setting Time and Date Automatic Time/Date SettingsSpecifying a Language on the Handset Reaching the Language List DirectlySetting Date Manually Setting Time ManuallyChanging Time Format Changing Date Format Changing Time ZoneSpecifying the Primary Line for Outgoing Calls Setting Daylight Saving Time DSTChoosing VoIP or Landline Changing the Display Contrast Specifying Call GroupsChoosing SIP Account Setting Call Waiting Setting Do Not DisturbSetting Audio Changing the Ringer Volume Resetting the HandsetChanging the Ringer Melody Changing the Message Tone Changing the Keypad SoundSetting Your Phone to Vibrate Enabling/Disabling Silent ModeChanging Advisory Tones Changing Emergency Line Settings Making and Answering Calls Making and Answering CallsVoIP Calls Making a VoIP Call over the InternetIntercom Calls Landline CallsMaking a Landline Call Calling from the Contacts List Making an Intercom CallCalling All Handsets Calling a Contact on the Primary LineCalling a Contact on a Secondary Line Calling from the Call LogCalling from the Call Log on the Primary Line Calling Using Redial Calling from the Call Log on a Secondary LineRedialing on a Primary Line Redialing on a Secondary LineCalling Using Speeddial Answering CallsAny Key Answer Mode Caller IDMaking Emergency Calls Handling Calls Handling CallsPlacing a Call on Hold Calling with a Call on HoldMuting/Unmuting a Call Swapping CallsConferencing Calls Transferring a CallTransferring Calls Transferring to another HandsetTransferring to a VoIP or Landline Transferring to a Contacts List NumberEnding Calls Managing Calls Managing CallsContacts List Adding a Contact Editing a ContactDeleting a Contact Changing the Default Number for a ContactDeleting All Contacts Groups of Contacts Creating a Speeddial for a ContactCreating a Contact Group Viewing Entries in the Call Log Call LogAdding a Contact to a Group Voicemail Additional Features Additional FeaturesResetting the MBU Manually Registering/De-registering a HandsetUpdating the MBU 400 System Firmware Changing Internet SettingsUpdating the Firmware Troubleshooting TroubleshootingIssue Causes Solution There is no audio when I make Issue Causes Solution Cannot make Internet calls, but it Limited Warranty Limited WarrantyWarranty Repair Services After Warranty ServicePage Any key answer mode Index SIP Page
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