Tag: IP Phone

How to Reset Cisco 7821 | 7841 IP Phone to factory default

how-to-reset-cisco-7821-7841-ip-phone

Method 1: Steps to reset Cisco 7821 IP phone using Keypad Power of the IP phone If connected with a direct power cube, remove the power cube. If connected with PoE (Power over Ethernet), remove the LAN cable….

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