Administrator’s Guide for SIP-T5 Series Smart Media Phones
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Getting Information from Talk Statistics on page 720.
Ensure that camera settings are configured correctly, such as brightness and white balance.
Avoid high-intensity indoor light or direct sunlight on the camera.
Why can’t I preview local camera when the phone is idle?
If the camera is properly connected to the IP phone but there are no images on the screen when
you launch Camera application or swipe down from the top of the screen and then tap Video,
you may need to replace the camera.
Why is there some dazzle light on the images when previewing the local
camera?
If the camera lens is oily or soiled, there may be some dazzle light on the images. Please try to
clean it up.
Wi-Fi and Bluetooth Issues
Why is the wireless signal strength low?
Ensure the IP phone and your gateway/router are within the working range and there is no
obvious interference (walls, doors, etc.) between them.
Why can’t I connect the IP phone to the 2.4G wireless network?
If you successfully connect the IP phone to the 2.4G wireless network, but the video images is
not smooth. Or, you cannot connect the IP phone to the 2.4G wireless network.
Check if there are too many wireless devices connecting to the same 2.4G wireless
network.
Verify whether the distance between IP phone and the wireless router is too far.
Why can’t I connect the Bluetooth device with the IP phone all the time?
Try to delete the registration information of the Bluetooth device on both IP phone and
Bluetooth device, and then pair and connect it again. Contact Yealink field application engineer
and your Bluetooth device manufacturer for more information.
Why the Bluetooth headset affects IP phone’s voice quality？
You may not experience the best voice quality if you use a Bluetooth headset while the 2.4 GHz
band is enabled or while you are in an environment with many other Bluetooth devices. This
possible loss in voice quality is due to inherent limitations with Bluetooth technology.
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