What is Failover?

The fallback path when the primary one fails.

Failover is the pre-arranged alternative route for a call when the primary destination is unreachable — a second number, a voicemail box, or a different provider. Without one, an outage becomes an unanswered phone.

This is an industry glossary. A term defined here is not a statement that Drop AI provides it — see the pricing page for what is included.

Call forwarding

Sending calls from one number to another.

Call routing

Directing a call to the right destination.

Uptime

Share of time a service is available.

Telephony

More in this category

IVR DTMF SIP SIP trunking VoIP PSTN DID Area code Toll-free number Local presence Caller ID Branded calling

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