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HUAWEI MC850/MC851 Media Phone User Guide 15 Troubleshooting
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15 Troubleshooting
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.
z The microphone of the other party may be turned off.
z The 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.
z The camera may be rotated to the bottom.
z The environment is too dark.
Symptom: During a call, the other party cannot hear you.
z Your microphone may be turned off.
z The 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.
z The 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.
z If 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.
z The 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.)
z If the preceding operation does not solve the problem, contact your service
provider for help.
Symptom: The handset cannot be powered on.
z The 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