The Complete Guide to ROI for POTS Replacement

The Complete Guide to ROI for POTS Replacement

The Immediate Financial Impact 

As traditional Plain Old Telephone Service (POTS) infrastructure continues to sunset, businesses across all industries are discovering the substantial financial benefits of migrating to modern alternatives. The cost savings aren’t just theoretical—they’re immediate, measurable, and often exceed expectations by significant margins.  Let’s dive in to the ROI for POTS Replacement with POTS IN A BOX and VoIP.

ROI for POTS Replacement

Monthly Service Cost Comparison 

Traditional POTS Costs 

The true cost of maintaining POTS lines extends far beyond the basic monthly service charge. Organizations typically face: 

  • Base line charges: $80-200 per line monthly (Depending on the Market) 
  • Feature additions: $5-15 per feature monthly 
  • Long-distance charges: $0.05-0.25 per minute 
  • Installation fees: $100-300 per line 
  • Maintenance visits: $150-250 per incident 

VoIP Alternative Costs 

Voice over Internet Protocol (VoIP) solutions offer dramatic cost reductions: 

  • Hosted VoIP service: $20-35 per user monthly 
  • SIP trunk lines: $15-25 per concurrent call 
  • Equipment: $100-300 per phone (one-time) 
  • Setup and configuration: $50-100 per user 

POTS IN A BOX Costs 

For applications requiring true analog connectivity, POTS IN A BOX solutions provide the perfect middle ground: 

  • Device cost: $200-500 per unit (one-time) 
  • Monthly service: $30-50 per line 
  • Installation: $300-500 per unit 
  • Cellular data plans: $20-30 monthly per device 

These costs compound quickly, especially for businesses with specialized applications like elevator emergency phones, fire alarm systems, and building control modems that require dedicated analog lines.

ROI for POTS Replacement

Real-World Savings Examples 

Small Business (5 POTS lines) 

  • Current POTS cost: $500 monthly ($6,000 annually) 
  • VoIP alternative: $150 monthly ($1,800 annually) 
  • Annual savings: $4,200 (70% reduction) 
  • Payback period: 3 months 

Medium Business (25 POTS lines) 

  • Current POTS cost: (25 lines x $80) $2000 monthly ($24,000 annually) 
  • Hybrid solution (VoIP + POTS IN A BOX): $750 monthly ($9,000 annually) 
  • Annual savings: $15,000 (63% reduction) 
  • Payback period: 4-5 months 

Enterprise (100+ POTS lines) 

  • Current POTS cost: (100 lines x $80) $8,0000 monthly ($96,000 annually) 
  • Complete VoIP migration: $2,500 monthly ($30,000 annually) 
  • Annual savings: $66,000 (69% reduction) 
  • Payback period: 6 months 

ROI for POTS Replacement

Case Study: National Fitness Chain – Million-Dollar Savings 

A compelling real-world example comes from a national fitness chain that recently completed a comprehensive POTS replacement project. This organization had already migrated their voice calls to VoIP but maintained traditional POTS lines for critical infrastructure including: 

  • Elevator emergency phones 
  • Fire alarm systems 
  • Burglar alarm connections 
  • Point-of-sale systems 
  • Analog modem data for building controls (HVAC and lighting) 
  • Emergency pool phones 

ROI for POTS Replacement

The Numbers That Matter 

Original POTS Infrastructure: 

  • Cost per POTS line: $120 monthly 
  • Average lines per location: 7 
  • Number of locations: 450 
  • Monthly cost per facility: $840 
  • Total monthly expenditure: $378,000 

POTS IN A BOX Solution: 

  • Cost per line: $30 monthly 
  • Data plan and maintenance: $24 per device monthly 
  • Total cost per line: $54 monthly 
  • Monthly cost per facility: $300 (7 lines × $54) 
  • Total monthly expenditure: $135,000 

The Results: 

  • Monthly savings per facility: $540 
  • Total monthly savings: $243,000 
  • Five-year savings: $14.5 million 
  • Three-year savings: $8.7 million 

This represents a 64% reduction in telecommunications costs while simultaneously solving the business continuity problem posed by copper line networks sunset. 

Hidden Cost Savings 

Beyond the obvious monthly service savings, POTS replacement delivers additional financial benefits that often go unrecognized: 

Reduced Truck Rolls 

VoIP and POTS IN A BOX eliminate most service calls, saving $150-250 per avoided visit. For large organizations, this can translate to tens of thousands in annual savings. 

Faster Problem Resolution 

Remote diagnostics and configuration changes resolve issues in minutes rather than days, reducing operational disruption and associated costs. 

Eliminated Wiring Costs 

No copper wire maintenance, replacement, or expansion costs eliminates a significant ongoing expense category. 

Reduced Administrative Overhead 

Centralized management reduces time spent coordinating with multiple telecom providers, freeing up IT resources for strategic initiatives. 

Tax and Regulatory Savings 

Reduced Telecom Taxes 

VoIP services often have lower regulatory fees and taxes compared to traditional telephone services, providing additional monthly savings. 

E911 Compliance 

Modern solutions provide enhanced 911 services with location accuracy that exceeds POTS capabilities, often at lower cost. 

Simplified Billing 

Single-vendor billing eliminates the complexity of managing multiple telecom relationships, reducing administrative costs and billing errors. 

The Urgency Factor 

Beyond the immediate cost savings, businesses face an unavoidable reality: the traditional copper infrastructure supporting POTS is being systematically decommissioned. This creates a business continuity risk that grows more severe with each passing month. Organizations that proactively migrate to modern alternatives not only capture immediate savings but also avoid the potential service disruptions and emergency migration costs that come with waiting too long. 

Scaling the Benefits 

The savings potential scales dramatically with organization size. Even smaller operations with 10 locations and 6 POTS lines each can realize over $250,000 in five-year savings. For enterprise-level organizations, the numbers become truly transformational, often exceeding millions in annual savings. 

Ready to Calculate Your ROI for POTS Replacement? 

The financial case for POTS replacement is compelling across organizations of all sizes. The combination of immediate cost savings, enhanced reliability, and future-proofing against infrastructure sunset creates a perfect storm of business value. 

Want to see a detailed ROI calculation for your specific situation? Watch our comprehensive video breakdown featuring Carter Dewey from Mixed Networks, where he walks through real-world scenarios and demonstrates the ROI calculator that helped the national fitness chain realize their $14 million savings opportunity. 

For personalized ROI calculations and to discuss how POTS replacement can transform your telecommunications costs, contact us today.

Don’t let sunset infrastructure drain your budget. The time to act is now, and the savings are waiting. 

Keep Reading:

The End of an Era: Why POTS Lines Are Becoming Obsolete

Understanding Your Options: VoIP and POTS IN A BOX

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