Cisco 7965G User Guide - Page 84
Troubleshooting Your Phone, General Troubleshooting
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Troubleshooting Your Phone This section provides troubleshooting information for your Cisco Unified IP Phone. General Troubleshooting This section provides information to help you troubleshoot general problems with your phone. For more information, see your system administrator. Symptom Explanation You cannot hear a dial One or more of the following factors might apply: tone or complete a call • You must log into the Extension Mobility service. • You must enter a client matter code (CMC) or forced authorization code (FAC) after dialing a number. (SCCP phones only) • Your phone has time-of-day restrictions that prevent you from using some features during certain hours of the day. The Settings button is Your system administrator might have disabled unresponsive on your phone. The phone screen appears blank The phone screen has gone into sleep mode to save power after a period of inactivity. Wake the phone screen by lifting the handset, or by pressing any button, such as . See Cleaning and Maintaining the Phone Screen, page 15. The phone screen does You might have disabled phone screen illumination on your phone. Contact not illuminate under your system administrator to determine if this feature is available to you. any circumstances The softkey that you want to use does not appear One or more of the following factors might apply: • You must press more to reveal additional softkeys. • You must change the line state (for example, go off-hook or have a connected call). • Your phone is not configured to support the feature associated with that softkey. Barge fails and results in a fast busy tone You cannot barge an encrypted call if the phone you are using is not configured for encryption. When your barge attempt fails for this reason, your phone plays a fast busy tone. 76 OL-14622-01