Cold call opening lines: what the research actually shows

Which cold call opening lines work best? In the largest public data set, a vendor analysis by Gong of more than 300 million cold calls, openers that led with context did best, at about 11% success, and one of the two winners openly owned the cold call. "Did I catch you at a bad time?" did worst, in that analysis and in an earlier one. The practical answer: say who you are, why you are calling this person, and ask for a short moment. Then test it on your own calls, because the vendor numbers leave important questions open.

Why the first seconds matter

The prospect did not plan this call. In the first seconds, they decide whether to give you a minute or to end it. They decide that on very little information.

How little? In a 2014 study in PLOS ONE, 320 people rated 64 unfamiliar voices saying only the word "hello". The clips lasted about 0.4 seconds. Listeners still agreed with each other on how trustworthy and how dominant a voice sounded. The authors are clear about the limits: they did not test whether those impressions were correct, all speakers were Scottish, and it was one word in a lab-like online setting. But it shows that people start judging you before your first sentence ends.

You cannot change your voice much. You can control what you say next, and how clearly you say it.

What Gong's data on openers shows

Gong sells conversation software and analyses calls recorded on its platform. Its research is vendor data: useful because the samples are large, but not peer-reviewed. Two of its articles look at openers.

The 2018 analysis of 90,380 calls

In a 2018 Gong Labs article, Gong looked at 90,380 first-time cold calls. Success seems to mean booking a meeting, though the article does not define it strictly. The baseline success rate was 1.5%.

The 2024 analysis of 300 million calls

In 2024, Gong and the sales podcast 30 Minutes to President's Club published a new ranking based on more than 300 million cold calls.

What these numbers do not tell you

• Success is not clearly defined. Neither article spells out what counts as success, and the 2024 article gives no baseline number.
• No sample per opener. You do not know how many calls each opener had.
• Correlation, not cause. Strong callers may simply prefer certain openers. The opener may get credit for the caller's skill.
• Mostly US and English. Lines that sound natural in American English can sound odd in Dutch or Flemish.
• The two studies do not line up exactly. "Bad time" was below baseline in 2018 and slightly above it in 2024. Both times it was last, which is the useful part.

So read the rankings as direction, not as a promise of 11%.

Three patterns that hold across both studies

1. Do not invite a no. "Is this a bad time?" makes no the easiest answer. It also frames your call as an interruption, which is exactly what the prospect already thinks.
2. Give a reason early. In 2018, a clear reason for the call went with a 2.1 times higher success rate. In the 2024 article, the suggested follow-up also starts with "the reason for my call is". A reason lets the prospect decide quickly whether this is relevant.
3. Show context, then own the call. The two best openers in 2024 both lead with context, such as working with similar companies. The permission-based opener also openly says this is a cold call, and it scored almost the same as the winner (11.18% against 11.24%). Gong's authors argue that this honesty disarms the prospect. The winner takes another route and tries to make the prospect forget it is a cold call, so context is the common factor, not the honesty.

A note on "How have you been?"

This line did very well in 2018. It works partly because it sounds like you have spoken before. If you have never met, the prospect may feel tricked once they realise it. That is a poor start for a business relationship, and it does not fit the plain, direct tone that works well in Belgium and the Netherlands. Use it only with people you have actually talked to.

A 20-second opener you can adapt

Here is a template that follows the three patterns. It is an example to adapt, not a tested script.

"Good morning, Anna. This is Tom from Brightdesk. I'll be honest, this is a cold call. The reason I'm calling: we help accounting firms in Flanders that lose hours every week on chasing documents from clients. Can I take 30 seconds to explain why I thought of you, and then you tell me if it's relevant?"

What each part does:

• Name and company. The prospect knows who is calling.
• Own the cold call. No pretending, and it often earns a smile.
• Reason and context. A specific type of company and a specific problem. The prospect can recognise themselves, or not.
• Permission for a short moment. 30 seconds is a small, clear ask. It gives the prospect control, which makes yes easier.

After the opener, stop talking and let them answer. If they say yes, ask a question about their situation rather than starting a pitch. Our article on SPIN questions helps you choose that first question.

What to do when they push back in the first seconds

Early pushback is normal. "Send me an email" or "We already have something for that" in the first ten seconds is often a reflex, not a decision. Acknowledge it, give one sentence of reason, and ask one question.

Example: "Fair enough, many people tell me that at first. Just so I send something useful: how do you handle document requests today?" If the answer is still no, accept it politely. For more answers like this, see our guide on handling objections.

How to test your opener on your own calls

Vendor rankings give direction. Your own numbers tell you what works for your market, your list and your voice. A simple way to test:

1. Write down two versions. Change one thing only, for example the reason you give.
2. Alternate by week or by block. Use version A for a week, then version B, on comparable leads.
3. Log one outcome for every call. Conversation, call back, meeting, not interested. Without a logged outcome, you cannot compare.
4. Compare the conversation-to-meeting rate. That rate reacts most directly to what you say.
5. Wait for enough calls. A few dozen conversations per version is the minimum before you draw conclusions.

Keep the context in mind too. Even top callers book only a small share of their conversations. In Gong's 300 million call analysis, the average rep turned 4.6% of conversations into meetings and the top quarter 16.7%. A better opener moves you along that range. It does not make every call a yes.

Put the opener in your script, not in your head

An opener only improves if everyone uses the same version and you can see the result. Write it at the top of your cold calling script, with the reason and the permission question spelled out. Change it on purpose, not by accident.

In Ringlane, the script sits in the middle of the calling screen, fills in the company name and the caller's own name, and every caller works with the latest version. You log an outcome with one key, so after a week you can compare the conversation-to-meeting rate per campaign or per caller.

Common opener mistakes

• Starting with a long company introduction. The prospect cares about why you are calling them, not about your founding year.
• Asking "Is this a good time?" It invites the easiest no.
• Pretending to know them. It may work once. It costs trust after.
• Reading too fast. A calm pace sounds more confident than a rushed script.
• Changing three things at once. Then you never learn which change helped.

Frequently asked questions

Sources

1. Gong: The best and worst cold call openers, backed by data from 300M calls (2024)
2. Gong: Proven cold call opening lines that work, analysis of 90,380 calls (2018)
3. Gong: The hidden power of cold calling, insights from 300M calls (2024)
4. McAleer, Todorov and Belin (2014): How do you say 'hello'? Personality impressions from brief novel voices, PLOS ONE