Which operating system is best for ensuring a stable VoIP communication server with minimal call drops, and why are RHEL-based distributions like AlmaLinux considered reliable for handling real-time traffic?

For a mission-critical VPS for VoIP, using a RHEL-based distribution like AlmaLinux is a very smart choice for long-term stability. I’ve found that it handles real-time traffic incredibly well, and the binary compatibility with industry standards makes it much easier to configure your PBX software. If you're looking for a rock-solid environment that stays secure without constant reboots, this is definitely one of the most reliable setups available for keeping your communication lines crystal clear.