Dial, Email or DM: What Each Touch Is Actually Worth Per Hour

11 min read

Cold call vs cold email vs LinkedIn outreach isn't a philosophical debate — it's arithmetic. Here's how to work out which channel pays per hour for your list.

The channel war is a fake argument

Every few weeks someone posts that cold calling is dead, and someone else posts a screenshot of a meeting booked on a dial, and three hundred people argue in the comments. None of it helps you decide what to do at 8am tomorrow.

The question isn't which channel is best. Channels don't have a best. The question is: for the specific list sitting in your CRM right now, which touch produces the most meetings per hour of your time? That's an arithmetic question, and you can answer it in a week.

Here's the shape of it. Every outbound channel, without exception, works the same way:

Meetings per hour = touches per hour × response rate × response-to-meeting rate

Three terms. Dials, emails, DMs — same three terms. The channels differ only in where the mass sits. The phone has the smallest volume term and the biggest conversion term, because a connect is a live human you can actually persuade. Email has the biggest volume term by a distance and the smallest conversion terms. LinkedIn sits somewhere in the middle with the tightest ceiling on volume, because you cannot manually write two hundred good DMs in a morning and nobody has ever managed it.

That's the whole model. What makes it useful is that the three terms multiply, so a channel can win on one term and still lose badly overall.

I am not going to give you benchmark numbers

I want to be blunt about this, because it's the part most articles get wrong.

Any connect rate, reply rate or conversion rate you read in a blog post came from someone else's list, someone else's product, someone else's territory and someone else's caller ID reputation. Plugging it into your own plan is worse than useless, because it gives you false confidence in a decision you should be making from your own data.

You already have the data. Your dialer knows how many dials you made last week and how many turned into conversations. Your sequencer knows how many emails went out and how many got replies. LinkedIn is the manual one, so you count it yourself in a notebook. Nobody needs a vendor report to do this.

Three things to get right when you measure.

First, count a week, not a day. One morning where the phone gods smiled on you is noise. You want enough touches that a single lucky connect doesn't move the number.

Second, count positive responses, not responses. This is where email flatters itself. An out-of-office is a response. "Please remove me" is a response. "Send me some information" from someone who will never open it is a response. If you count those, email looks like a machine. Count only the replies that could plausibly become a calendar invite and the picture changes.

Third — and this is the one almost every rep I've watched gets wrong — count the whole hour. If you spend forty minutes researching accounts and building a list and twenty minutes sending emails, that's an hour of email, not twenty minutes of email. If you spend the first part of your dial block finding mobile numbers, that's dial time. Channels have wildly different setup costs and the setup is where the hour actually goes. Measure the thing you're allocating, which is your day, not your keystrokes.

Do that for a week and you'll have three numbers: meetings per hour on the phone, meetings per hour on email, meetings per hour on LinkedIn, for your list. That's the entire debate, settled, for you specifically.

What each channel is actually good at

The arithmetic tells you the answer, but understanding why each channel behaves the way it does tells you when the answer is about to change.

The dial

The phone's volume term is capped by physics and by your own energy. You can only talk so fast, and dialing is cognitively expensive in a way that sending emails is not. Nobody does a full day of quality dials. The people who claim they do are leaving voicemails.

What the phone buys you is the conversion term. When someone picks up, you get to handle the objection in real time. You get tone, you get pauses, you get the chance to say "that's fair, most people say that, can I give you the thirty seconds and you tell me if it's relevant." No other channel lets you fight for the meeting inside the same touch. That's why the phone tends to have the strongest response-to-meeting rate of the three, even when its response rate is the weakest.

It also has the most variance in the skill term. Two reps dialing the same list from the same script will get wildly different results, because the phone punishes hesitation and rewards rehearsal. Email doesn't care how nervous you are.

The email

Email's volume term is enormous, and that's the entire case for it. It also compounds badly in the wrong direction: the more everyone sends, the harder each one has to work, and deliverability is a tax you pay for other people's behaviour as well as your own.

The trap in email is the conversion term. A reply is not a conversation. A lot of replies are exits. And the meetings that do come out of email tend to arrive later, after several touches, which makes attribution murky and makes it easy to credit email for a meeting that a voicemail actually created.

Email's real superpower is that it costs almost nothing per touch once the list is built, which means it can carry the accounts you've decided not to call. Not the accounts you want most. The accounts you can't justify an hour on.

The DM

LinkedIn has the worst volume term by far. Every message is bespoke or it's ignored, you're constrained by connection limits, and there's a hard ceiling on how many you can send before the platform or the reader decides you're a bot.

What you get in exchange is response quality. When someone replies to a well-aimed LinkedIn message, they've usually looked at your profile, seen who you are, and decided you're a person rather than a sequence. Those conversations start warmer. They also start slower — DMs turn into meetings over days, not minutes, which matters if you're carrying a monthly number.

The other thing LinkedIn does is invisible in the arithmetic. It makes your name recognisable before the phone rings. We'll come back to that, because it's the highest-leverage thing on this entire list.

The answer flips depending on who you're calling

Here's where the general debate falls apart. The three terms aren't properties of the channel. They're properties of the channel and the person on the other end. Same rep, same skill, same script, different vertical, completely different ranking.

The plant manager. He is not at a desk. He is on the floor, in steel-toe boots, and his email goes to an address he checks at the end of the shift if he checks it at all. His LinkedIn profile hasn't been updated since he changed jobs and he has no habit of opening the app. There is exactly one reliable path to this man and it goes through the switchboard and a receptionist who has been told to protect him. Email volume is worthless here because the response term collapses to nothing. The phone wins by default, which is why the whole game in industrials is gatekeeper handling and having something worth saying in the first fifteen seconds — I've written up how I'd approach that conversation in the manufacturing cold call script, because the opener that works on a plant manager sounds nothing like the one that works on a VP of Sales.

The managing partner. She bills by the hour, which means her time has a literal published price and she is aware of it constantly. Her email is screened by an assistant. Her phone is screened by the same assistant. Her LinkedIn is a trophy case she doesn't check. On paper every channel looks dead. In practice the phone still wins, but the target of the first call is the assistant, not the partner, and the goal of that call is to earn a slot rather than pitch. The second-best channel is a peer's name, which is not really a channel at all — it's a reason. The legal cold call script is built around that constraint, because with professional services the whole thing turns on whether you sound like someone who understands how a firm makes money.

The SOC lead. Security buyers are the most vendor-fatigued people in the enterprise. They get called constantly, they get emailed more, and they've developed reflexes. What they haven't stopped doing is reading the community — Slack groups, conference talks, what their peers are saying. For this persona LinkedIn's low volume stops mattering, because the response term is so much higher than the other two that it swamps the volume disadvantage. A DM that references something they actually posted about beats a hundred emails, and both beat a dial that lands mid-incident.

The VP of Sales. The most contacted persona in B2B, and also, strangely, one of the most reachable. Sales leaders answer their phones, because their own reps' commission depends on people answering phones and they know it. They live on LinkedIn. They reply to email. All three channels have a pulse, which means volume and skill decide it rather than access, and the competition is brutal. If you're working revenue leaders, the differentiator is almost never the channel — it's whether the first line sounds like every other rep who called them that day, which is what the SaaS cold call script for CROs and RevOps leaders is really about.

The council officer. Public sector inverts the usual assumptions. Direct dials are often published. Email addresses follow a public convention. There's a procurement process that constrains what can happen next regardless of how good your call is. Here the phone connects more easily than in most private-sector verticals, but the meeting conversion depends entirely on whether you understand where they are in a budget cycle and what they're actually allowed to buy. The government cold call script covers that terrain.

Same rep. Five completely different allocations. Anyone who tells you the answer without asking who you're calling is selling something.

Allocating a five-hour prospecting day

Assume five hours of genuine prospecting time, which is more than most reps get. Here's the rule I'd use.

Rank your channels by meetings per hour for your list. Then protect the top one and automate or drop the bottom one.

That sounds obvious and almost nobody does it. What happens instead is reps spread the day evenly across three channels because it feels responsible, and end up mediocre at all three. Even allocation is what you do when you haven't measured. Once you've measured, even allocation is a choice to spend hours on the channel you know pays least.

So: your best channel gets two protected blocks, placed at the times of day it works. If that's the phone, the blocks go where your connects actually cluster — check your own dialer for that, it varies by vertical and it's not always where the internet says it is. Those blocks are sacred. No CRM admin, no Slack, no list building.

Your second channel gets the trough. The middle-afternoon hour where you're too tired to dial well is the hour for writing sequences and sending emails, because email tolerates fatigue in a way the phone doesn't.

Your third channel doesn't get a block at all. It gets folded into the other two as support — which brings us to the part that actually matters.

Sequence so each touch makes the next one cheaper

The reason to be multichannel is not coverage. Coverage is a manager's word for touching everyone the same number of times. The reason to be multichannel is that a cheap touch can raise the response rate on an expensive one.

Go back to the formula. On the phone, the term you have least control over is the response rate — whether they pick up. Skill barely moves it. Script doesn't move it. What does move it is whether your name means anything when it appears on the screen or when you say it.

So you spend cheap touches buying recognition before you spend expensive ones. A profile view and a connection request the day before you call. A voicemail that names the email you're about to send, then the email fifteen minutes later with a subject line that references the voicemail. A LinkedIn message after a dial that didn't connect: "Tried you earlier — not chasing, just wanted the thirty seconds to explain why I called."

Each of those is a low-cost touch that lifts the response term on the high-conversion channel. That's the compounding effect, and it's the only version of multichannel that isn't just extra work.

The order changes by persona, and it follows the access constraint. For the plant manager, LinkedIn is decorative — sequence phone, phone, email to the shared inbox, phone. For the SOC lead, invert it entirely: DM first, referencing something real, then the call once your name has been seen. For the managing partner, the first touch is aimed at the assistant and everything after it is aimed at earning a specific slot.

One more thing. Track which channel produced the deal, not just the meeting. In my experience they're not always the same channel, and a rep who optimises purely for meetings booked can quietly drift toward the easiest yes rather than the best account. If your best-converting channel by meetings is also the one producing your worst pipeline, you've found something worth knowing before your manager does.

What I'd do next

Run the count for one week. Three numbers, honestly measured, whole hours included. Then rebuild your day around whichever channel wins for your list rather than around what LinkedIn told you this month.

If the phone wins — and for a lot of verticals it will, because that's where the conversion term lives — then the constraint on your number isn't strategy. It's what comes out of your mouth in the first fifteen seconds after someone says hello, and you cannot fix that by reading about it. That's rehearsal. It's the reason we built DrillCall: you practise against an AI prospect who behaves like a plant manager or a managing partner or a security lead, with their objections, before you spend a real connect learning them. Burn the reps somewhere they don't cost you a meeting.

Practise these calls

The playbooks behind this post — a scripted opener, the objections you will actually hear, and an AI buyer to run it against.

About the author

Timothy Yang

Founder & CEO, DrillCall

I build products by getting on the phone. Four businesses built and exited, including a micro-task marketplace with 170,000+ users, and the common thread in every one was the same: nothing moved until I picked up the phone and sold. Cold outreach, discovery calls, closing. The unglamorous work that actually creates revenue. Right now I am building DrillCall, an AI-powered voice training platform where sales reps practice live calls against realistic AI buyer personas, 310 of them across 31 industries, and get a scorecard after every call. Think flight simulator, but for cold calls. I also run Vibe Coding Club, a community of over 3,500 builders shipping products with AI, and I have spent time inside AWS and Dell, so I have seen how enterprise sales machines work from the inside as well as from the founder seat. What I care about: expected value thinking, fast iteration, and talking to customers before writing a line of code.

← All posts