Tools
Erlang C calculator for agents and service level
Minimum agents per interval for a service level target, with ASA, probability of waiting, occupancy and headcount after shrinkage.
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CallsIQ · 10 tools
Calculate before you decide.
Free calculators and utilities to size teams, estimate costs, validate numbers and prepare campaigns. Each one explains its formula, sources and limits.
Tools
Power or predictive dialler simulator and abandoned call rate
Compare conversations per hour in power and predictive mode and estimate how many people would answer with no agent free at your dialling pace.
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Tools
Spanish phone number checker: range type and province
Paste several numbers and check their format, their type under Spain’s numbering plan and whether they suit customer service or commercial calls.
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Tools
SMS segment counter: GSM-7, UCS-2 and cost of the send
Paste the text to see whether it fits in GSM-7, how many segments are billed, which characters push up the cost and what the send costs.
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Tools
Cloud phone system cost comparison: Aircall, CloudTalk and Zadarma
Monthly and annual cost incl. VAT of Aircall, CloudTalk and Zadarma for your team, with a breakdown and a column for your own quote.
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Tools
Dynamic number pool calculator for call tracking
Numbers needed, occupancy, reuse risk and monthly cost of a dynamic number pool, with a sensitivity table.
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Tools
Cost per qualified lead and margin-based ROAS calculator
From ad spend to contribution: cost at each stage of the phone funnel, ROAS on revenue and margin, and break-even ROAS.
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Tools
CSAT and NPS calculator with margin of error
CSAT with a Wilson interval, NPS with the correct variance, required sample size and an approximate comparison of two periods or segments.
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Tools
DTMF tone generator for testing an IVR menu
A browser DTMF keypad to check whether a phone menu recognises keys, with sequences, total duration and a comparison with Q.24.
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Tools
UTM URL builder and naming validator
Builds UTM campaign links, catches naming mistakes and shows which GA4 default channel they will fall into.
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