Key takeaways
- A sales dialler (sales dialer in US spelling) automates placing calls from a list.
- Power diallers ring one number at a time; predictive and parallel diallers ring several.
- More simultaneous calls means more conversations, but more abandoned and delayed calls.
- Calling rules on consent, screening and abandoned calls differ by country and must be checked.
How does a sales dialler work
A sales dialler works through a call list, usually pulled from the CRM, and places the calls so the rep does not have to. When someone answers, the call connects to the rep with the contact's record on screen; when nobody answers, the dialler logs the attempt and moves on.
Most diallers also record the outcome against the contact, drop a pre-recorded voicemail, schedule callbacks and record calls where that is allowed and disclosed.
What are the types of sales dialler
The types of sales dialler differ in how many calls they place at once and how much the rep controls. Auto dialler is the umbrella term for any of them that dial without a person keying the number.
- Click-to-call: the rep clicks a number in the CRM and the software dials it.
- Power dialler: rings the next number as soon as the last call ends, one call at a time.
- Predictive dialler: rings several numbers per available rep, estimating when someone will be free.
- Parallel dialler: one rep rings several numbers at once and takes the first person who answers.
What consent and calling rules apply to diallers
Consent and calling rules for diallers depend on the country you call into, and automated calling attracts the strictest ones. In the UK, sales calls must be screened against the Telephone Preference Service and, for businesses, the Corporate TPS, and Ofcom treats too many abandoned or silent calls, a known risk of predictive dialling, as persistent misuse.
In the United States, the Telephone Consumer Protection Act restricts certain automated calls and texts to mobile numbers without prior consent, and many states add their own rules. This is a summary, not legal advice: check the rules for every market with your counsel before switching on any automated dialling.
How to use a power dialler well
Using a power dialler well starts with a clean, well-targeted list, because faster dialling of the wrong people only produces faster rejections. Research the accounts first and group calls by segment so the opening line fits.
- Keep a short note on screen for each contact: why them, why now.
- Log every outcome, so nobody is called again by mistake.
- Honour opt-outs at once and keep screening lists current.
- Listen back to calls for coaching, not only for volume.
When is a dialler the wrong tool
A dialler is the wrong tool when each call is to a small number of high-value accounts that deserve preparation. Parallel and predictive dialling also create a pause or a dropped call when two people answer, which some buyers find off-putting.
For complex B2B deals, a well-researched call placed by hand, or a written first message, often fits better than calling volume.
Where Pebbles Ai fits
- CapabilityProspecting & customer recordsPebbles Ai has no dialler and does not provide phone numbers. Find fresh leads returns people in chosen roles at 1 to 10 named companies, with work emails where found, each with a confidence score.
- CapabilityResearch & analysisBefore a call placed from your own phone system, an assistant can research the company and the person, with inline numbered citations and a source list.
Common questions
Is a power dialler the same as an auto dialler?
A power dialler is one kind of auto dialler. Auto dialler is the general term for software that dials without a person keying the number; power diallers ring one number at a time.
Can a sales dialler leave voicemails?
Many can drop a pre-recorded voicemail when a call goes to an answering machine. Check local rules, because some markets treat recorded messages as automated calls that need consent.
Is a parallel dialler worth it for enterprise selling?
Rarely. Enterprise calls go to a small number of senior people who expect a prepared conversation, and a delayed connection makes a poor first impression.
About this page. Written by the Pebbles Ai team for people who run sales, marketing and growth. Last updated .