Koncert Dialers: The Line Counts Are Published, the Price Is Not

Koncert publishes the one number most of this category keeps to itself. Its pricing page names the parallel line count on each plan, in plain text, next to the plan name: the Symphony tier reads "1 to 4 lines" and the Symphony+ tier reads "1 to 5 lines". Nooks does not publish a line ceiling on the page that describes its dialing modes. Orum's is plan-gated and stated in its docs. For a product whose entire economics turn on how many calls fire per rep per cycle, having the ceiling on the price list is a real advantage to a buyer, and it is worth saying so before the rest of this page gets sceptical about the other numbers.

Everything below comes from Koncert's own homepage and pricing page, fetched as raw HTML in mid-2026 and kept as dated snapshots. Where those two pages disagree with each other, which they do in one place, both readings are given rather than averaged.

Five dialers, or four, depending which navigation block you read

The product is a set of dialing modes sold as separate tiers rather than one dialer with a setting.

Searches for the bare brand name also return a Wikipedia entry, a Spotify artist and an unrelated workforce-management vendor, because koncert is an ordinary noun in several European languages, and the product described here is the B2B sales engagement platform at koncert.com.

The pricing table lays them out as five columns: Click Dialer, Flow Dialer on a single line, Agent-Assisted Dialer on multiple lines, AI Flow Dialer on a single line, and AI Parallel Dialer on multiple lines. The plan cards underneath collapse those into four named tiers. Melody and Melody+ are the AI Flow Dialer, described on the page as a "Single-Line Power Dialer" at 5x productivity. Symphony and Symphony+ are the AI Parallel Dialer at 10x productivity, at "1 to 4 lines" and "1 to 5 lines" respectively. Symphony+ carries the "Most popular" marker.

The homepage navigation states the count twice and states it differently. One block reads "Five sales dialers for your team's needs" and lists AI Parallel Dialer, AI Flow Dialer, Agent-Assisted dialer, Workflow dialer and Click to call dialer. A second block on the same page reads "Four sales dialers for your team's needs" and lists the same set without the Workflow dialer. The Workflow dialer appears in one enumeration and not the other, on one document, so a buyer counting products from the homepage gets a different answer depending which menu they opened.

That is a small thing and it is the kind of small thing worth noticing on a page you are about to buy from, because it tells you the product page and the price page are maintained by different people at different times.

Melody and Melody+AI Flow Dialer

• Described as a single-line power dialer
• 5x productivity claimed against manual dialing
• One live rep on every connection by construction
• Melody+ adds AI objection detection and AI summary notes
• No abandoned-call exposure at one line

Symphony and Symphony+AI Parallel Dialer

• Symphony runs 1 to 4 lines
• Symphony+ runs 1 to 5 lines and is marked most popular
• 10x productivity claimed against manual dialing
• Symphony+ adds AI objection detection and AI summary notes
• Abandonment exposure scales with the line count you set

Five numerals, and no unit to read them in

This is the part to get right before quoting anything.

Every plan card on the pricing page ends in a "Get Pricing" button rather than a figure. The string appears ten times in the page source. The comparison table above those cards does have a price row, and it renders five bare numerals: 6, 7, 29, 79 and 99, one per dialer column.

Those numerals sit in price cells whose currency and billing-period slots are empty in the markup, and a scan of all 375,409 characters served by that URL finds not one instance of a currency symbol followed by a digit. So the page shows five numbers with no unit attached to any of them: no currency, no indication of whether they are per user, and no indication of whether they are per month or per year.

A number without a unit is not a price. Quoting one as though it were is how a buyer arrives at a call with a figure nobody ever printed, and the honest reading of this page is that a visitor cannot take a price away from it. Every plan card ends in the same two words instead: "Get Pricing".

The third-party roundups are not a way round that, and one of them proves it on the same page. CloudTalk's own Koncert alternatives comparison lists the product's price as "Koncert Per request", which corroborates the quote-gating rather than resolving it. Trellus, ranking for the same query, states that "PhoneBurner is the most affordable option, starting at $30 per user monthly", and elsewhere that "PhoneBurner is the most budget-friendly at $30-$100 per user monthly". PhoneBurner's own pricing page publishes its cheapest seat at $140 per user per month billed annually. A roundup on the first page of results is out by a factor of nearly five on a competitor's price that is published openly, which is a useful measure of how much weight to put on the same page's guess at a price nobody publishes at all. We covered PhoneBurner's actual published tiers separately in what a PhoneBurner seat covers.

The practical consequence is the same as it is at Nooks and at Orum, both of which also gate their pricing. The evaluation begins with a scoped quote, and two variables belong in writing before signing: what the seat price does as headcount grows, and whether the caller ID inventory and the data enrichment are inside the seat or beside it.

Agent-Assisted dialing is people, and it should be priced as people

The most distinctive column in that table is the one easiest to skim past.

Koncert's pricing page describes Busy Work Delegation as the ability to "Delegate navigation of phonetrees, gatekeepers, and voice mail systems to human dialing agents." Human agents. The Agent-Assisted Dialer is not a faster algorithm, it is a person in the path who works the phone tree and hands the rep a live human.

For some lists that is genuinely the right purchase. Calling into hospital systems, universities, local government or any market defended by a switchboard is a market where the dead time is not ringing, it is navigating, and no amount of parallel dialing removes navigation. A human doing that work in front of the rep converts an unworkable list into a workable one.

Two things follow, and the pricing page settles neither. Labour is priced differently from software and usually scales with volume rather than with seats, so this is the tier where the quote most needs to name a unit. And a human in the path is a person hearing your prospect's gatekeeper say things, which is a data and consent question your own policy has to answer rather than the vendor's.

The caller ID layer is a named product, which is the right shape

Number reputation is the recurring cost of high-volume calling, and the useful test of a dialer vendor is whether reputation is treated as a component or as advice. Koncert treats it as a component. Its pricing table names Local Caller IDs, Area Mapped Caller IDs described as mapping a caller ID to every area code in the US, and a heat map described as "Live tracking of each Caller ID usage (heat) to maintain Caller ID reputation." The homepage sells the same thing as Fully Managed Caller ID Health.

Naming rotation, mapping and monitoring separately is correct, because they fail in different ways and only monitoring produces information rather than protection. The full mechanics of that trade, and why local presence partly destroys its own advantage, are in dialer modes and what a seat costs.

The question the page does not answer is the one that decides the running cost. When the heat map shows a number has acquired a label, who replaces it, how quickly, and is the replacement metered. Ask it in the quote.

Published, versus quote-gated

• ✓Yes: Parallel line ceilings, stated per tier as 1 to 4 and 1 to 5
• ✓Yes: Caller ID rotation, area mapping and a usage heat map, named separately
• ✓Yes: Human agent-assisted dialing, described as delegating phone trees to people
• ✓Yes: SOC 2 Type 2 compliance, stated on the pricing table
• ✕No: Any price with a currency and a billing period attached
• ✕No: Who pays for a replacement number once one is flagged
• ✕No: Whether the data enrichment allowance is per seat or pooled

Read the productivity multiples as marketing, and the line counts as facts

The pricing table carries a row headed "Productivity Increase compared to manual dialing" with the values 3X, 10X, 5X and 10X across the tiers. The homepage carries "8X Prospect conversations" and "Up to 50% Higher Connect Rate", plus "15 Years Mature Dialers" and the claim that Koncert is "the only ultra-low latency AI dialer platform in the industry".

None of those is checkable from outside. A productivity multiple has no stated baseline, no list, and no denominator, and a superlative about latency has no published measurement behind it. They are the vendor's own claims on the vendor's own page, which is the correct way to read every number on any pricing page including this one.

The line counts are different in kind, and that is why they matter more. A stated ceiling of 5 lines is a constraint you can plan against: it tells you the maximum aggression the product allows, which lets you size it against your own measured connect rate before you sign rather than after.

That arithmetic runs in the direction most people expect and then reverses. Three lines per rep on a list where one dial in twenty reaches a person is a real lift. The same three lines on a list where one dial in four reaches a person produces regular collisions, where two people answer and one of them gets silence. The higher your connect rate, the less parallel dialing helps. Teams calling a well-researched list of direct mobiles are the worst candidates for the most aggressive setting, which is the opposite of how the tiers are usually sold. The full version of that argument is in parallel dialing and the line count decision.

1. Step 1Measure

   Get your own connect rate on your own list before choosing a line count

2. Step 2Pick the mode

   Single line for defended or senior lists, parallel only where the connect rate is genuinely low

3. Step 3Price the labour

   If Agent-Assisted is in scope, ask for its unit separately from the seat

4. Step 4Pin the number policy

   Who replaces a flagged caller ID, how fast, and at whose cost

5. Step 5Quote

   No published figure exists, so scope seat growth and any enrichment allowance in writing

Where this sits, and where we differ

Koncert is a calling platform with a cadence product attached, aimed at a sales development team with managers in it. The Remote Coach and Whisper Mode features are supervision tooling, and like every coaching surface they pay off where several reps dial in the same window and somebody senior is available to listen. Where a team dials opportunistically between other work, that half of the platform goes unused while the quote reflects it. The same reading applies to the Nooks salesfloor and it is the same design assumption underneath both.

The multi-channel cadence half deserves one sentence of disclosure rather than a recommendation. Koncert Cadence sequences phone, email, video, text and social. RevenueFlow does not run that shape. We send one message per campaign, once, with no bumps and no thread replies, and a prospect who does not answer is re-approached only through a new campaign built on a different premise. Sequencing tools are described here because the product includes one, not because we would use it that way.

We also do not sell calling. Our outbound is email and LinkedIn, where the equivalent infrastructure problem is deliverability rather than caller ID reputation. The reason this page exists is that the same buyer usually has both problems, and the calling half is easier to size once somebody has written down what the vendor actually publishes.

If the constraint is the number of qualified conversations rather than the speed of getting through a list, that is the half we build in writing. See what a first campaign produces against your own market, then size the calling investment against a reply volume you have measured rather than a multiple somebody printed on a pricing table.

Product tiers, line counts, feature descriptions and pricing behaviour in this article come from koncert.com and koncert.com/pricing, fetched mid-2026, with dated snapshots kept as evidence. Productivity multiples and connect-rate figures are the vendor's own marketing claims rather than measured results. Verify current terms with the vendor before relying on them.