Phone System ROI Calculator — How Much Are Missed Calls Costing You? | Zonitel
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Free Calculator · 30 seconds

What Is Your Phone System
Really Costing You?

Every missed call is a customer who calls your competitor. Calculate your revenue recovery potential with Zonitel.

62% don't call back
Auto-reply in 15 sec
$20/ext/mo + Tax · No contract

Your Team & Current Spend

Compare what you pay today vs. what Zonitel costs

5

Zonitel price: $30/ext/month · Total: $150/mo + Tax

Include all charges from your current phone system

$

Add-On: Fax

$20/number/mo + Tax

Dedicated fax numbers (per number)

How many fax numbers do you need?

0

Monthly cost

$0

Optional — add if your business uses fax.

Missed Calls

The hidden cost of not answering

15

≈ 66 missed calls per month

How much is a typical sale or new customer worth?

$
Calculation assumptions

22 working days per month

15% of missed calls would become customers (conservative SMB average)

30% of those opportunities recovered with Zonitel's auto-reply SMS

Bill savings shown only when your current bill exceeds Zonitel's cost

Directional estimates. Actual results vary by business and industry.

Your Zonitel Plan

$150
/mo+Tax

$30/ext · 5 exts

Free trial

30 days

You save $100/mo vs. your current bill

$250 current → $150 with Zonitel

-$100

Monthly bill savings

$150/mo + Tax Zonitel vs. $250 current

+$100

Revenue recovered via SMS

66 calls × 15% close × 30% recovery

+$1,485

Revenue at risk (without Zonitel)

Opportunities still lost without auto-reply SMS

$3,465

Estimated monthly value

savings + recovered revenue

$1,585

Estimated annual value

savings + recovered revenue

$19,020
No contractNo credit cardAll features

Results provided by the Zonitel ROI Calculator are for informational purposes only. Estimates are derived from AI analysis of your inputs and are not a guarantee of actual savings or revenue.

Everything included to
stop losing customers to missed calls

Every feature included in every plan. No hidden add-ons or extra charges.

Auto-Reply SMS

Automatically text back missed callers with a custom message. Win them back before they call a competitor.

Auto Attendant / IVR

Route calls automatically to the right department, 24/7. No call goes unanswered during business hours.

Business SMS/MMS

Send and receive texts from your business number. Answer inquiries and confirm appointments via message.

Call Analytics

See exactly how many calls you're missing, when, and why. Real data to make better decisions.

Mobile App Included

Answer business calls from your phone anywhere. Never miss a call because you stepped away from the office.

All-In Pricing

From $20/ext/month + Tax with 100+ features included. No annual contracts, no activation fees, no surprises.

Ready to stop losing customers?

Try Zonitel free for 30 days. No credit card. No contract.