LG Electronics IP8540 manual Troubleshooting Problems, Log-in

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IP8540 User Guide

5. Troubleshooting Problems

5.1 Log-in

I cannot sign-in to IP8540. I see error "Cannot connect to server or server name is incorrect".

∙Validate your domain name is correct.

∙See Unexpected Behavior later in this section.

∙Contact your IT help to:

üEnsure DHCP is configured to provide DNS address as part of DHCP response.

üEnsure DNS has SRV records for SIP service.

üEnsure SIP server is reachable from LAN.

I cannot sign-in to my IP8540. I see error "Cannot validate server certificate".

∙See Unexpected Behavior later in this section.

∙Contact your IT help to:

üEnsure either time.windows.com is accessible or NTP is configured with appropriate SRV records created in DNS.

üEnsure PKIenrollment objects have been created on AD to point to CA or CA delegate

üIf PKI enrollment is not enabled, then ensure caAttribute for Certificate Authority container has appropriate root certificates.

I cannot sign-in to IP8540. I see error "User name or password is invalid".

∙Make sure you user name and password is correct.

∙If you change your password on the device before the server attempts to re-authenticate, the device will not be able to sign in to the server and will be left on the sign in screen. Enter your old password in the Password field and press Sign in.

∙If your domain password has changed and the server attempts to re-authenticate, the device

will return to the sign in screen. Enter your new password in the Password field and press Sign .

∙See Unexpected Behavior later in this section.

∙Contact your IT help to:

üMake sure time on your phone is correct if Kerberos is enabled in your system.

üMake sure either WINS server is enabled or DHCP option 119 provides DNS suffix search list if Kerberos authentication is being used on the server.

I cannot sign-in to IP8540; I continue to see the error message "Device does not have a valid IP address".

∙Ensure the IP8540 is properly connected to switch or router.

∙Make sure LAN outlet has proper connectivity to your network.

∙See Unexpected Behavior later in this section.

∙Contact your IT Help and check:

üMake sure DHCP is enabled in your system.

I mistyped my PIN during first configuration, how do I correct it?

∙Double tap on the edit text box for pin and start typing new digits.

∙Use the Settings Menu to edit your PIN.

I had configured my device and left for the day. This morning it is showing the login prompt.

∙A software upgrade or password expiration has probably occurred. Enter your login information.

∙See Unexpected Behavior later in this section.

I came this morning and my phone display shows “My Device” and “Recycle Bin”.

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Contents IP8540 Regulatory and Compliance statements IP8540 User Guide Revision Date of Issue Remarks Important Safety Instructions Table of contents Connecting the USB Cable and Signing Overview Introducing LG-Nortel IP8540 IP PhoneBelow describes the key elements of the IP8540 Device LayoutIP8540 User Guide What’s in the box Getting your IP8540 up and runningSet-up AC/DC power adaptorOptional accessory for wall-mount installation Wall Mounting Handset-holder for wall mount installationViewing angle control Adjusting the Viewing AngleConnections to IP8540 Sign In with IP8540 Initial Power up and SignCalibrating the touch screen Sign In with Office Communicator 2007 R2 on your PC Setting your unlock parameters IP8540 User Guide Set Time Zone Understanding the touch screen Using your IP8540Controlling Presence Phone Status IP8540 User Guide Viewing a Contact Card Contact ListSearching the Contact list Selecting a Contact Group ∙ Tap the Call Voice Mail button Message Waiting∙ Tap Call Log Call LogsSettings ∙ Tap Lock Phone Locking your phone∙ Tap Volume Adjusting volume levels∙ Tap Ring Tones Ring tones∙ Tap Change PIN Changing your PIN∙ Tap Change Fingerprint Changing fingerprint∙ Tap Update Password Update your password∙ Tap Brightness Adjusting the screen brightness∙ Tap Set Time Zone Changing the Time Zone∙ Tap Date/Time Format Changing the date and time display format∙ Tap Sign Switching Users∙ Tap Switch User ∙ Tap Calibrate Touch Screen To set logging ∙ Tap Settings ∙ Tap Set Logging∙ Tap Settings ∙ Tap Set Logging ∙ Tap Send Logs ∙ Tap System Information Viewing the device informationChanging the language ∙ Tap Settings ∙ Tap Change LanguageWhy Use the USB Cable Connecting the USB Cable and SigningMaking Calls with IP8540 Adjusting the handset and speakerphone volumeMake a call, while idle Call BasicsMake a call, while busy Redial the most recent callHold a call Receive a callResume a held call TransferIP8540 User Guide Conference Forwarding Calls IP8540 User Guide What is a Communicator Call? Make a Phone Call Using Office Communicator 2007 R2Log-in Troubleshooting ProblemsPlacing Calls Unexpected Behavior Conference CallIP8540 Product Specification IP8540 User Guide
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