Internal Project – IT Company with Its Own Business Telephone System
- Company test website – “WorkWithIT” – https://workwithit.pl
- Linux M VPS (HOME.PL) – 4 vCPU / 8 GB RAM / 240 GB SSD
- Debian 13 – firewall enabled, with no external SSH access
- MTKPROJEKT – MikroTik – RouterOS-based virtualized router
- WINSRV2019 – Windows Server 2019 – Active Directory and DNS Server; domain user synchronization with Microsoft 365
- Microsoft 365 – tenant configured with the workwithit.pl domain; user accounts synchronized with Active Directory; email server and Microsoft Teams; Microsoft 365 Business Standard 30-day license
- 3CX – VoIP Phone System – IVR, business hours configuration, users synchronized with Active Directory and Microsoft 365, telephone number provided by ACTIO.pl, appropriate firewall rules, and connection to a desk phone via SBC
The project demonstrates a sample IT company environment with its own website, an Active Directory server, Microsoft 365 productivity and collaboration services, and a 3CX VoIP business telephone system.