88Swapping TelephonesYour administrator assigns a password for your telephone. This password associatesyour telephone extension (and mailbox) with your account. This may allow you toconfigure another VCX telephone in the system to duplicate your primary phone. Thismeans if you are away from your primary telephone (for example, in a different office),you can program the local telephone to use your extension. Any calls made to yourextension will ring in both locations and you can access your mailbox from either phone.See the overview section in the chapter that describes your telephone for moreinformation.Cleaning Your TelephoneAlways unplug your telephone from the power source and from the network before youclean it. Use a soft cloth dampened with mild detergent.WARNING: Failure to unplug the telephone before you clean it could result inelectrical shock.Troubleshooting ProblemsTable 8 lists possible problems that you may encounter and the most likely solutions.Where possible, each solution refers to the section in this guide where you can finddetailed information.Table 15 Possible ProblemsPossible Problem Suggested SolutionsMy telephone has no dial tone and thedisplay panel is blank. Verify that the power cord is fullyinserted in the correct connector on theunderside of the telephone. Use thestrain relief tab to prevent the cord frombecoming unplugged. Verify that the Ethernet cables areconnected and that each cable is in theproper connection. Remove and add power to the telephoneby unplugging the power cord at theelectric outlet and plugging it back in. If the telephone is powered through apowered Ethernet cable, make sure thatpower is applied to the cable at itssource.My telephone has “locked up.” Your telephone has lost the connectionto the system. Remove the Ethernetcord from the jack, and then re-insert itinto the jack. Wait a few seconds. If the telephone