The AI voice calling glossary
Plain-English definitions for AI voice calling, outbound sales, and call automation. One term, one page, one clear answer.
10 terms · last verified May 30, 2026
Appointment setting
Appointment setting involves scheduling meetings with potential clients as part of outbound sales efforts.
Average handle time (AHT)
Average handle time (AHT) is a key metric in call centers, averaging around 6 minutes for outbound sales calls.
Barge-in
Barge-in allows a user to interrupt an AI voice response, promoting more dynamic and natural interactions.
Connect rate
Connect rate is the share of dialed phone numbers where a live person actually answers, expressed as a percentage of total dials. On cold B2B lists it commonly sits in the 8 to 15 percent range.
Do-not-call (DNC) list
A do-not-call (DNC) list is a registry that restricts telemarketers from calling numbers without consent.
Local presence dialing
Local presence dialing uses local area codes to increase call answer rates by appearing familiar to recipients.
Predictive dialer
A predictive dialer is an automated system that calls multiple numbers simultaneously and connects answered calls to available agents, increasing outbound sales efficiency.
Spam-likely labeling
Spam-likely labeling marks calls as potential spam based on call patterns and recipient behavior, affecting millions of calls daily.
STIR/SHAKEN
STIR/SHAKEN is a framework to authenticate caller identities and prevent spoofing in voice calls.
Voicemail drop
Voicemail drop is a feature that lets sales reps leave pre-recorded messages in voicemail boxes automatically.
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