The factory reset button is located in a small pin-sized hole just above the PoE Ethernet port of the MR76. Cisco VPN Phone is supported on 7942G, 7945G, 7962G, 7965G, 7975G, and 99xx series as well as 89xx series Cisco Unified IP Phones. Press the down arrow to select ^Security _ setting 7. To perform a complete reboot of one or all phones associated with a Cisco CME router, use the reset command in telephony-service configuration mode. It seems it only happened on this phone when reset security settings was executed.

00093 instead of using the settings introduced in 4. Type write erase to issue the erase comment.

To reset settings, press Applications > Admin Settings > Custom Reset. Cisco 8841 reset security settings There, click on the Reset button, and confirm the operation.