Huawei MC850 manual Troubleshooting

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HUAWEI MC850/MC851 Media Phone User Guide

15 Troubleshooting

15Troubleshooting

Symptom: After you press , there is an off-hook tone. But after you pick up the handset, there is no off-hook tone.

Possible cause: The handset is not connected properly (applicable to the MC851).

Symptom: During a call, you cannot hear the other party.

zThe microphone of the other party may be turned off.

zThe volume of your speaker may be adjusted to 0. (For details, see "Setting Sound" on page 48.)

Symptom: During a video call, you cannot view the video of the other party or the other party cannot view your video.

zThe camera may be rotated to the bottom.

zThe environment is too dark.

Symptom: During a call, the other party cannot hear you.

zYour microphone may be turned off.

zThe volume of the speaker of the other party may be adjusted to 0. (For details, see "Adjusting the Volume of the Speaker During a Call" on page 24.)

Symptom: After the network is accessed through Wi-Fi, an icon indicating that the connection has failed appears in the status bar on the home screen.

zThe media phone may be out of range of the wireless signal. View the icon indicating the Wi-Fi signal strength in the status bar to see whether there is any signal.

zIf the Wi-Fi signal is strong, the possible cause may be that the Wi-Fi parameters are set incorrectly. Please check the network access parameters. (For details, see "Setting the Network" on page 49.)

Symptom: After the network is accessed through Wi-Fi, lagging, pausing, or erratic display of the video occurs during playing of IPTV videos.

zThe quality of the Wi-Fi signal may be poor. Check the AP setting or set Network type to Ethernet. (For details, see "Setting the Network" on page 49.)

zIf the preceding operation does not solve the problem, contact your service provider for help.

Symptom: The handset cannot be powered on.

zThe battery may be discharged or not installed properly. Check whether the battery is installed properly. If the handset still cannot be powered on, charge the handset on the base unit for a few minutes, and then remove the handset and

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Contents User Guide Page Huawei MC850/MC851 Media Phone V100R001 Trademarks and Permissions No Warranty Page Contents Call Log Handset Registration Software Upgrade Operation Requirements Safety PrecautionsBasic Requirements Environment RequirementsLCD Usage Requirements Cleaning RequirementsLCD Cleaning Requirements Environmental ProtectionEU regulatory conformance Multiple Available Services and Functions Product OverviewNovel Appearance and Structure One-touch web access Full touchscreen User-Friendly Man-Machine InteractionPreparations Before Use Package ContentsNo. Item Description Getting StartedFront Panel of the Base Unit Rear Panel and Side Panel of the Base UnitDescription Connecting Cables Installing the Media PhoneInstalling the Battery Placing the Media Phone Connecting to a Wi-Fi Network Icon Description Connecting to External Storage DevicesConnecting to a USB Device Installing a microSD Card or an MMCPowering On the Media Phone Basic Operations Home ScreenDescriptions of Status Icons in the Status Bar Input Methods Input Method for Letters Handwriting ModeMini Keyboard Input Method for Digits and SymbolsMaking a Call by Dialing Call FeaturesCall Types Making a CallAnswering a Call Making a Call from the Call LogCalling a Handset Answering an Audio Call Viewing Missed CallsOperations During a Call Answering a Video CallSwitching a Call on the Cordless Handset to a Video Call Easy SwitchSwitching a Video Call to an Audio Call Switching an Audio Call to a Video CallTurning On/Off the Hands-free Function During a Call Adjusting the Volume of the Speaker During a CallSwitching Cordless-Handset Speaking Mode to Hands-free Mode Switching Hands-free Mode to Cordless-Handset Speaking ModeTransfer a Call Three-party callingTurning On/Off the Microphone Switching Between Day Mode and Night ModeFull Screen Turning On/Off the Dialer During a CallAccessing the Phonebook PhonebookCreating a Contact Deleting All the Contacts Managing GroupsEditing a Contact Deleting One ContactCreating a Group Editing a GroupDeleting a Group Searching Directly Searching for a ContactViewing the Memory of the Phonebook Changing the Group to which a Contact BelongsExporting and Importing a Phonebook Importing a PhonebookExporting a Phonebook Call Log Accessing the Call Log ScreenViewing the Details of a Call Record Making a Call from the Call logsDeleting a Call Record Adding a Number in the Call Log to a New Contact Adding a Number in the Call Log to an Existing ContactAccessing or Exiting the Screen for Browsing Information BrowsingPlaying Multimedia Files on the Media Phone No. Icon Description Starting the Player in the File Manager Starting the Player on the Main ScreenPlaying Live Programs Playing On-Demand Programs No. Icon Description Adjusting the Volume Photo Frame Playing Pictures in Presentation Mode Setting Photo Frame-Related ParametersViewing One Picture Importing Pictures Touchscreen Calibration AlarmOther Functions ToolsWatching Local Video Clips Viewing Equipment InformationManaging Files Managing Files in the Internal MemoryManaging Files on External Storage Devices Procedure Screen User SettingsSetting Sound Setting Sleep ModeSetting the Network Accessing the Network Through the Ethernet Interface Accessing a Network Through Wi-Fi in Point-to-Point Mode Accessing a Network Through Wi-Fi in Basic Mode Setting Date and Time Setting WallpaperSetting Language Setting Keypad ToneSetting the Output Standard Checking the Network Status Managing the Telnet Connection Managing HandsetsRegistering a Cordless Handset Handset RegistrationDeregistering a Cordless Handset on the Base Unit Deregistering a Cordless HandsetCordless Handset LayoutFunction No. Item Function Powering On/Off Icons on the LCDPreparations Before Use Charging the Handset Battery Function of Making an External CallLocking the Handset Keypad Function of Making an Internal Call RedialingMaking an Internal Call Setting up a Three-Party Calling Call AnsweringPerforming Call Transfer Adjusting the Volume During a Call Muting a Call Using the Contact menuDirectly entering the phone number in standby mode PhonebookAdding a Number from the Call Log to the Phonebook Accessing the Call Log ScreenCall Log Viewing the Details of a Call RecordDeleting a Call Record Configuration of Frequently Used FunctionsSetting Sound Setting the Ringtone Type and the Ringtone VolumeSetting Key Tone Setting the Power off ToneSetting the Charging Tone Disabling the Alarm Function Setting the Alarm ClockSleep Mode Enabling the Alarm FunctionAdjusting Display Contrast Display SettingSetting Date Format Setting Time FormatSetting Wallpaper Setting Background ColorSetting Handset Name Pause During Dialing Other Basic SettingsFlash Signal Basic Setting of the HandsetPerforming Auto Answer Setting the Dialing ModeRestoring Default Settings Restoring Default Settings of the HandsetRestoring Default Settings of the Base Unit Software Upgrade Automatic UpgradeManual Upgrade Troubleshooting Huawei MC850/MC851 Media Phone User Guide Huawei MC850/MC851 Media Phone User Guide Category Parameter Technical Specifications