Free Phone & Business Tools
Practical calculators and utilities to check your availability, calculate missed call costs, and optimize your business communications.
Calculators
Missed Call Cost Calculator
Find out how much revenue your business loses from unanswered calls.
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Phone Cost Calculator
Compare the cost of answering calls yourself, hiring staff, or using Hallodesk.
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Response Time Calculator
See how your callback speed affects lead conversion rates.
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Business Availability Checker
Find out what percentage of the week you're unreachable by phone.
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Phone Tools
Call Forwarding Setup
Get the exact GSM code to set up call forwarding on your phone.
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Phone Number Validator
Check if a phone number is valid, detect the country, and format it.
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Voicemail Script Generator
Generate a professional voicemail greeting for your business in seconds.
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Out-of-Office Generator
Create a professional out-of-office auto-reply for email or SMS.
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GSM & USSD Codes Reference
Every GSM code organized by category. Search, filter, and copy.
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