Cloud VoIP and AI Voice Agents for SMBs
June 19, 2026
Learn how SMBs can use cloud VoIP, AI voice agents, smarter call routing, and flat-fee call origination to improve responsiveness and control costs.
Making the most of your CallnFax Services
CallnFax News
Technical Guides
Business Resources
Where We Publish
We share our VoIP and communications expertise across several platforms. Follow us on the one that fits how you like to read.
Substack
In-depth essays & newsletters
Medium
Industry articles & commentary
Academia.edu
Research & technical papers
LinkedIn
Company updates & posts
Recent Articles Off-Site
A selection of pieces published on external platforms.
From IVR to AI Voice Agents: Turning Frustration into Productivity
Substack
Why traditional phone trees frustrate modern customers — and how AI voice agents are replacing them with natural, intelligent conversation.
April 2026
Converting an IVR to an AI Voice Agent
Substack
Upgrading your traditional IVR to an Intelligent AI Voice Agent drives sales, improves customer sentiment, and improves profits.
April 2026
Upgrading Your Phone Service While Cutting Costs and Improving Sales
Medium
A practical look at how modern VoIP transforms customer reach, team flexibility, and operational cost in small and mid-sized businesses.
April 2026
Technical Papers on VoIP Infrastructure & Call Routing
Academia.edu
A collection of research-oriented writing on voice infrastructure, caller ID handling, and modern telecom architecture.
Ongoing
Your Old Phone Number May Be Worth More Than You Think
June 4, 2026
This article explains what number portability means, why the order of events matters, how a traditional landline number can move to VoIP or another modern service, and why some older numbers – especially legacy area codes such as 212 in Manhattan, 415 in San Francisco, 310 in Los Angeles, or 202 in Washington, DC – may carry practical, branding, or even market value.
Elementor #16402
May 21, 2026
Contact us Technical Author By Yakov Nissen CTO & SIP Engineer, CallnFax Yakov has been with CallnFax since 2008 and oversees SIP engineering, VoIP infrastructure,
Designing Efficient VoIP Call Flows for Small and Medium-Sized Businesses
May 13, 2026
Contact us Technical Author By Yakov Nissen CTO & SIP Engineer, CallnFax Yakov has been with CallnFax since 2008 and oversees SIP engineering, VoIP infrastructure,
Leveraging VoIP Products for the Small Businessperson
May 8, 2026
A plain-English guide to virtual numbers, softphones, hard phones, call routing, SMS-to-email, AI Voice Agents, and predictable phone costs
Keeping a Global Workforce Connected!
April 29, 2026
Remote work gives people freedom, but communication still depends on trusted phone numbers, reliable messages, and simple calling tools that work wherever the workday happens.
quick links
Contact Info
- 1 Concorde Gate #702 North York, ON M3C 3N6 Canada
- +19732724796
- +44 203 7695362