What’s the Most Effective Sales Channel in 2025? (Hint: It’s Not Email)

Terry-Wilson

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What’s the Most Effective Sales Channel in 2025 (Hint It’s Not Email)

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Sales and marketing leaders are in a knife fight for pipeline. Inboxes are flooded. LinkedIn feels like a digital trade show with no badge scanners. And yet – some teams are quietly booking meetings like it’s 2015.

Their secret? The channel must have been written off.

 

What Channel Drives 80% of Meetings for Sales Teams in 2025?

💡 TL;DR

  • 80% of meetings are coming from cold calls for leading outbound teams
  • Email is flooded, LinkedIn is stale, and phone is cutting through
  • Live conversations reveal what your prospects actually care about
  • Cold calling refines ICP faster than any data enrichment tool ever could
  • Fewer SDRs, better conversion when your team stops hiding behind screens

 

According to John Karsant, co-founder of Level Up Leads, the answer is clear:

“Right now, 80% of our meetings are coming from the phones.”

That’s not a typo. Despite every sales tech tool pushing email and LinkedIn automation, cold calling is driving 4 out of 5 meetings for Karsant’s clients.

This is based on real-world data from dozens of high-growth B2B companies that Level Up Leads supports. Karsant didn’t theorize his way into that stat – he dialed into it.

Case Study: A mid-market SaaS client of Level Up Leads saw a 30% increase in qualified booked meetings within the first 60 days of switching their primary outbound focus from email to phone. They reduced their tech stack, removed 3 underperforming SDRs, and reallocated budget to a lean cold calling pod. The result? More meetings. Faster learning. Better pipeline integrity.

“Our entire motion changed once we focused on conversations over cadences,” said the client’s CRO.

 

Why Is Cold Calling Outperforming Email and LinkedIn Outreach?

Let’s start with the elephant in the inbox.

Cold email has become the low-effort weapon of choice.

  • Tools like Clay, Instantly, and Smartlead make mass personalization scalable.
  • Burners and Spintax help teams blast 10,000 contacts in hours.
  • AI writes the copy. Your SDR just hits send.

 

The result? Noise.

Reps blast first-touch emails like it’s 2019 and are shocked when open rates flatline and reply rates dip below 1%.

Stat to know: According to the 2024 Outreach Benchmarks Report, average cold email reply rates have dropped to 0.72%, with open rates trending below 20% in high-volume verticals.

LinkedIn isn’t much better. It’s now a sea of connection spam and generic pitch-slides.

But the phone? It cuts through.

“When you’re on the phone, you get feedback. You get tone. You get objections in real time. And most importantly, you get truth.”

Unlike email or InMail, calls give you a signal.

  • If your pitch is off? You’ll know immediately.
  • If your ICP assumptions are wrong? You adjust on the spot.
  • If someone is curious but not ready? You hear it in their voice.

 

“But our team doesn’t have time to call everyone.”

That’s the point. You don’t have to. You call the right people and learn faster. Karsant’s team targets 20-30 hyper-relevant accounts per week. Not 1,000.\

 

How Level Up Leads Uses Real-Time Feedback to Refine ICP

Most companies treat ICP like gospel.

Karsant treats it like clay.

“A lot of our clients come to us with a fuzzy ICP. They’re still learning. Cold calls help us iterate faster than any other channel.”

Here’s how:

1. Start with a hypothesis.

  •  Industry, role, deal size, pain point.

 

2. Get feedback.

  • Are they answering? Are they curious? Are they annoyed?

 

3. Refine targeting.

  • Adjust titles. Shift the messaging. Reframe the opener.

 

“In three weeks of cold calls, we learned more about our actual buyer than we did in six months of HubSpot data,” said a VP of Sales at a Series A HR Tech company.

Karsant’s team records calls, tags objections, and builds a feedback loop with clients every Friday. This isn’t just outreach – it’s market research on speed dial.

And because Level Up Leads syncs directly to client calendars, they can book qualified meetings on the spot.

No forms. No nurture. Just real conversations that convert.

 

What Tools Are Polluting Inboxes (And How to Stay Relevant)

Let’s name names.

Most marketing and sales automation platforms now include email tools as a secondary feature. What used to be best-in-class point solutions are now bolt-ons:

  • Hunter.io added outbound sequences
  • Lemlist turned into a cold email Swiss Army knife
  • Clay enables AI-driven personalization at scale

 

On top of that, you’ve got:

  • Burner domains are being rotated daily
  • Spintax generates fake variation
  • SDRs testing sequences with ChatGPT + A/B tools

 

Result: Everyone’s inbox is a war zone. Spam folders are thicker than inboxes. Even legit companies are getting filtered.

Karsant put it bluntly:

“I checked my spam folder. I found emails from huge companies. That’s how broken it’s become.”

What works instead?

  • Live conversations over static content
  • Personal relevance over automated scale
  • Direct voice contact over asynchronous hope

 

Q: Why are my cold emails not getting replies anymore?

A: Your emails are likely hitting spam filters or getting deleted instantly due to overuse of automation tools and low relevance.

 

How to Scale Pipeline with Fewer SDRs and More Conversions

Here’s the part that will make your CFO smile:

Cold calling done right = fewer reps, better pipeline, higher conversion.

Karsant’s model relies on:

  1. Specialized cold callers who live in the script.
  2. Direct calendar access to reduce no-shows and back-and-forth.
  3. Tight alignment with client goals, they know what “qualified” really means.

 

Example: A 7-person RevOps team replaced two SDRs with one dedicated caller and a Chat-to-Sell layer (live chat staffed by humans). Meeting volume stayed flat. Cost-per-meeting dropped by 46%.

Compare that to the average B2B SaaS SDR team:

  • 5 reps
  • Dozens of tools
  • Endless testing
  • Bloated sequences
  • <1% reply rate

 

That’s not a pipeline. That’s theater.

With a leaner cold call strategy:

  • You book faster because people answer phones again
  • You learn faster because objections are live
  • You convert better because the conversation is real

 

Q: Can I test cold calling without hiring a full SDR team? 

A: Yes. You can run a pilot using outsourced calling teams or fractional staffers to validate your script, offer, and ICP before scaling.

And for teams that can’t staff up?

“You don’t need to hire 5 SDRs to test outbound. You can run a cold call pilot and learn more in a month than a quarter of email tests.”

 

The Bottom Line: Cold Calling Is the Quiet King of 2025

Sales leaders: if you’re watching pipeline stall while your tech stack grows, it’s time to ask a better question.

What if your next 10 meetings aren’t in your inbox – they’re waiting to be dialed?

In 2025, the winning teams aren’t just automating. They’re having more conversations.

Cold calling isn’t retro.

It’s the new unfair advantage.

 

Frequently Asked Questions

Q: What is the best channel for B2B outbound in 2025?

A: Cold calling, based on performance data from teams like Level Up Leads, is outperforming email and LinkedIn with up to 80% of booked meetings.

Q: Why are cold calls making a comeback?

A: Because they provide immediate feedback, allow for real-time objection handling, and cut through the noise of saturated digital channels.

Q: How can I test cold calling at my company?

A: Start with a small pilot using either internal or outsourced callers. Track calls booked, objections surfaced, and feedback on ICP.

Q: Does cold calling work for enterprise deals?

A: Yes, especially when targeting high-value stakeholders who ignore emails but respond to real-time urgency and curiosity.

 

Ready to see what cold calling can do for your inbound and outbound strategy?

👉 Let’s talk about how staffed live chat + real-time sales engagement can drive qualified meetings while you sleep.

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By: Terry Wilson

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