How to configure your Firewall Router in 3CX Phone System
Dell OptiPlex 5090 CWKC3-N Home & Business Mini Desktop (Intel i5-11500T 6-Core, Intel UHD 750, 32GB RAM, 120GB SATA SSD, USB 3.2, Display Port, Win 10 Pro) with D6000 Dock - Newegg.com
Dell OptiPlex 5090 Home/Business Mini Desktop (Intel i5-10500T 6-Core, Intel UHD 630, 8GB RAM, 2TB HDD (2.5), USB 3.2, Display Port, Win 10 Pro) with Microsoft 365 Personal , Hub - Walmart.com