VoIP Calls Server on Linux Stream 9: Reliable Telephony on a Proven RHEL-Compatible Foundation

Launch VoIP Calls Server on Linux Stream 9 — a battle-tested CentOS-based platform built for telephony reliability and performance.

This virtual machine features Asterisk deployed on Linux Stream 9, the rolling-release upstream of RHEL. Designed for VoIP service providers and enterprises, it handles SIP registration, call forwarding, auto-attendants, and multi-tenant PBX operations with enterprise-grade stability.

Supports essential features like call parking, ring groups, presence management, and wideband audio codecs (G.722, Opus). Stream 9 provides long-term support with continuous security updates, making it ideal for compliance-driven environments and mission-critical communication systems.

Art Group delivers this VM fully hardened with telephony-optimized networking, pre-tuned audio processing, comprehensive monitoring tools, and detailed Azure deployment instructions for immediate productivity.

Feature	Art Group Edition	Standard Edition
Provisioning	Complete VoIP stack pre-installed on Stream 9 with verified packages	From-scratch VoIP installation on basic Linux image
Configuration	Pre-optimized for call volume, codec prioritization, QoS marking	Untuned defaults needing telephony expertise
Documentation	Full guides for multi-tenant setup, failover, and API integration	Generic OS documentation only
Security	SIP authentication, media encryption, intrusion detection, audit logging	Basic OS security without VoIP protections
Azure Readiness	Azure Load Balancer ready, NSG optimized, monitoring integrated	Standard OS without Azure telephony features

Deploy proven VoIP infrastructure on a stable, enterprise-supported Linux platform. Ideal for organizations requiring dependable telephony with long-term stability and cloud flexibility.

Related Links

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Art Group official website

Why Choose Art Group Images?

High-performance VMs, expertly configured and constantly updated to meet your evolving needs—secure, efficient, and cloud-optimized.

Disclaimer: This offering leverages open-source components and is fully compliant with Azure Hybrid Benefit. All trademarks are the property of their respective owners. Asterisk is a trademark of Sangoma Technologies Corporation. Linux Stream is a trademark of Red Hat, Inc. This product is offered by Art Group, which is not affiliated with, endorsed by, or sponsored by Sangoma Technologies Corporation or Red Hat, Inc. Art Group does not provide commercial licenses; many products are available as free, demo, or open-source versions.