Learn Voice over IP fundamentals, including its history, core concepts, and key technologies like SIP for real-time voice communication over IP networks.

Learn essential VoIP technician skills: networking fundamentals, tools, training paths, and career outlook in unified communications for aspiring professionals.

Build an open-source fax server. Learn software, setup, and best practices for secure, compliant document transmission. Covers FoIP, ITU-T standards, and modern industry use cases.

Learn how FreePBX serves as an open-source hotel PBX, detailing its features, Sangoma Property Management module integration, and common deployment strategies.

Learn about the types of phone systems churches use in the U.S. (landlines, PBX, VoIP) and key regulatory compliance requirements, including 911 dialing.

Explore key criteria for selecting SIP trunk providers for Asterisk PBX systems. Understand features, security, pricing, and integration for optimal voice.

Examines US telecommunications state taxes, fees, and regulatory obligations. Covers state-specific Universal Service Fund, 9-1-1 surcharges, and compliance.

Explore why on-premise phone systems remain widely used in 2025. Learn their advantages, compare them to cloud alternatives, and identify key applications and industries.

Learn technical strategies for integrating and managing multiple on-premises and cloud PBX VoIP systems. Covers architecture, SIP, routing, QoS, security, and optimization.

Explore the 150-year evolution of US & Canadian phone networks. Learn about key tech milestones, regulatory changes (FCC, CRTC), and corporate developments from 1876 to VoIP.

Learn the essential features, security, and compliance requirements for modern enterprise phone systems in 2025. Covers cloud VoIP, PBX, and hybrid solutions for IT professionals.

Explore Skype's journey from pioneering P2P voice calls to its decline. Learn about its technical architecture, key acquisitions, strategic shifts, and impact on internet communication.

Explore Session Initiation Protocol (SIP) architecture, operations, recent usage trends, and security vulnerabilities. Understand its role in real-time communication systems.

Learn about Clearly Anywhere, a VoIP softphone solution. This analysis covers its features, comparison to Skype/Teams, deployment, and migration strategies for IT decision-makers.

Learn about the beginnings of Asterisk, from Mark Spencer's 1999 project to its impact as an open-source PBX that disrupted the telecom market.

Explore key VoIP encryption protocols: SRTP, ZRTP, DTLS-SRTP, SIP-TLS, and S/MIME. Learn their architecture, integration, and real-world implementation challenges.

Explore a comprehensive evaluation of leading hotel phone systems, focusing on features, PMS integration, and emerging trends for hospitality operations.

Examine the top 5 features of modern business phone systems: auto-attendants, UC, CRM integration, and call analytics. Learn technical details, implementation, and strategic benefits.

Profiles 20 leading hotel IT technology vendors. Covers key offerings in telecom, PMS, networking, Wi-Fi, cybersecurity, cloud, and smart room tech solutions for operations.

Learn to prepare your LAN for VoIP phone system deployment. This guide covers fundamentals, infrastructure, configuration checklists, and recommendations on QoS, VLANs, and security.