Operations BroadNet answer

What is CPS (Calls Per Second)?

Last reviewed July 22, 20261 min readReviewed by BroadNet engineering

Quick answer

CPS (calls per second) is the voice-network equivalent of messaging TPS: the maximum rate at which a platform or carrier trunk accepts new call attempts. It caps outbound dialing bursts — voice-OTP campaigns, notifications, or contact-center diallers — independently of how many calls are concurrently active. Exceeding the contracted CPS causes call attempts to be rejected or queued. See /answers/what-is-tps, /answers/what-is-pdd, and /tools/erlang-calculator.

Plain-language definitionVendor-neutralReviewed July 22, 2026

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