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Download cucm tftp7/3/2023 ![]() ![]() If I moved the phones back to the same VLAN as CUCM the phones would work properly. The phones started having issues contacting CUCM and downloading new configuration files or firmware. My lab server has a dedicated NIC which connects to the lab network and hosts a domain controller, workstation, and CUCM 11.5 virtual machines.Īll this was working well until I configured the switches to have a separate dedicated voice VLAN. Nothing too fancy, a 2811 with PVDMs and FXO/FXS cards, 2 3750 PoE switches, and 2 Cisco 7960 VOIP phones. I’ve recently began studying for my CCNA Collaboration exam and to help with my studies I’ve built a small collaboration lab.
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