User Guide

110
that the volume key in on-hook and off-hook situation is to adjust the
ring volume and media volume (call volume) separately. These two
adjustments are unrelated. Adjusting the volume won’t change call
volume when on-hook the phone.
Failure 3: Phone can’t dial properly
 Please check whether there is at the top-right of screen. If not,
please check whether the cable in LAN port is loose;
 Please check the IP address of phone via configuration (go to 4.2,
―network configuration‖);
 If it’s now in LAN, please check whether the IP address of phone is
conflict with other devices in the same LAN.
 If the network connection is properly, please check whether the icon
of successful registration is in the notification area. If there is
no explanation of configuration failure, please contact network
administrator to recover it.