Guest post. James Ferguson runs an outbound sales consultancy and makes all of his calls through Salesfinity. He pulled the transcripts behind this analysis from the Salesfinity API and ran the numbers himself. We're publishing it in his voice, with his data, lightly edited for structure. — The Salesfinity Team

The short version: Across 34,000+ cold dials, call screeners do not tank your connect rate the way most people assume. There's a real gap on the very first dial — screened numbers connect about half as often (5.9% vs 10.6%). But by the second dial onward that gap nearly disappears, and when a screened contact does pick up, they're meaningfully more likely to give a positive response than someone with no screening at all (30.9% vs 25.8% positive per connect). The takeaway: don't deprioritize a number just because it screened you.

The assumption that turned out to be wrong

I analyzed a little over 34,000 of my dials to determine how call screeners affect your pickup and positive response rate.

I originally assumed call screeners would have much stronger connect-rate decay than non-screeners. That's not the case.

After the first dial, whether or not someone has call screening enabled has very little effect on the likelihood that they pick up — and for connected calls, they actually have a meaningfully higher chance of a positive response than someone without screening enabled.

Outcomes by cohort: screener vs. non-screener

Here's the headline table. Two cohorts: numbers where a screener was detected (1,055 numbers), and live lines with no screener (13,559 numbers).

Source: James Ferguson · 34,145 dials analyzed

Look at the far-right column. Screened contacts who actually connect convert to a positive response 30.9% of the time, versus 25.8% for everyone else. A screener isn't a wall — it's a filter. The people who get through it and still pick up tend to be worth more.

Call screeners barely change pickup rate after the first dial

This is the part that surprised me. The connect-rate gap is almost entirely a first-dial phenomenon. By the second attempt, the two curves converge — and on dials 3 through 5 they're effectively the same.

Share of dials that reached a live person, by how many times the number had been called.

By dial 3, the screener cohort actually edges ahead. So the mental model of "screened numbers are dead weight, skip them" is wrong. They're worth the same follow-up cadence as anyone else — you just absorb a lower hit rate on the very first touch.

How the data was collected

A few notes on methodology so you can judge the numbers for yourself.

Positive responses were defined as booked meetings, information requests ("send me an email"), referrals, and interested-but-not-the-right-timing.

Who I called: a mix of Operations, Engineering, IT, Marketing, Sales, CEOs, Government Affairs leaders, and Founders. Company size ranged from solo founders to FAANG.

What I excluded: any calls that weren't made to a cell phone.

How screeners were detected: regex on call transcripts for "call assist by google" and the iPhone call screener prompt — "Hi, if you record your name and reason for calling I'll see if this person is available." Transcripts were pulled using the Salesfinity API. I make all my calls via Salesfinity, so every dial in this set has a transcript attached, which is what made the regex detection possible in the first place.

Bonus: pickup rate by seniority

Since I had the data, here's pickup rate broken out by seniority. "Head of" titles were grouped with VP for this chart. The dashed line is the all-dials baseline of 7.1%.

Source: James Ferguson · 34,213 dials analyzed

CXOs are the hardest to reach by a clear margin (5.5%), which won't shock anyone. The more useful read is that Founders/Owners pick up at 7.6% — above the baseline and well above other C-suite — so for founder-led ICPs, the phone is still very much open.

What this means for your cold calling

Three practical takeaways from the data:

1. Don't skip screened numbers. The connect-rate penalty is real but it's a first-dial effect. Across a normal follow-up cadence, screened numbers are worth the same attempts as any other.

2. Respect the screener prompt — the people behind it convert better. A higher positive-per-connect rate means screened contacts who answer are, on average, more qualified conversations. Leave a tight, specific name-and-reason when prompted.

3. Match your list strategy to seniority. If your ICP skews CXO, expect to dial more for every conversation. If it skews founder or manager, the connect math is much friendlier — load your list accordingly.

FAQ

Do call screeners hurt cold call connect rates? Less than most people assume. In a 34,000+ dial analysis, screened numbers connected at 5.9% on the first dial versus 10.6% for non-screened numbers — but that gap nearly disappeared by the second dial, and screened contacts who connected gave a positive response 30.9% of the time versus 25.8% for non-screened contacts.

What is a call screener on a phone? A call screener is an automated feature — like Google Call Screen on Android or Call Screening on iPhone — that answers an incoming call and asks the caller to state their name and reason before deciding whether to ring the owner's phone. It filters unknown numbers, including cold calls.

Should SDRs skip numbers that have call screening enabled? No. The data shows the connect-rate penalty is concentrated on the first dial and effectively gone by the third. Screened numbers are worth the same follow-up cadence as any other number, and they convert at a higher positive-response rate when they do connect.

Do screened contacts respond more positively to cold calls? Yes, in this dataset. Contacts with screening enabled gave a positive response (booked meeting, email request, referral, or "not right now") on 30.9% of connected calls, compared to 25.8% for contacts without screening.

Which seniority levels are hardest to reach by cold call? CXOs were the hardest to reach at a 5.5% pickup rate, below the 7.1% all-dials baseline. Founders/Owners (7.6%) and Managers (8.0%) were the easiest among defined titles.

How was call screening detected in this study? By running regex on call transcripts for Google's "call assist by google" phrase and the iPhone call screener prompt ("Hi, if you record your name and reason for calling I'll see if this person is available."). Transcripts were pulled via the Salesfinity API.

How many dials were analyzed? Just over 34,000 dials in total, with slightly different filtered subsets per chart (34,145 for the cohort comparison, 34,213 for the seniority breakdown). All dials were to cell phones across a range of departments and company sizes.

What counts as a "positive response" in cold calling? In this analysis, a positive response was any of: a booked meeting, an information request ("send me an email"), a referral to the right person, or interested-but-not-the-right-timing.

About the author

James Ferguson runs an outbound sales consultancy. He cold calls at volume to figure out how to segment a market and exactly what to say to each segment to book meetings, then hands clients a simple playbook so they can ramp BDRs in weeks instead of months — and scale a team without betting six figures on reps who are slow to ramp and impossible to forecast. Once it's dialed in, he hands it off or stays on at a lower rate to run it.

Want to talk outbound strategy?

• Book a call: https://cal.com/james-ferguson/30min

• LinkedIn: https://www.linkedin.com/in/james-ferguson-nc/

All dials in this analysis were placed and transcribed through Salesfinity.