Cold calling software · Parallel dialer software
Parallel Dialer Software: Multi-Line Dialer Pricing and Line Limits Compared
Every roundup in this category ranks parallel dialers without publishing what they cost or how many lines they actually open.
On August 13, 2026 we opened ten vendor pricing pages. Three publish a number you can budget from, and two publish their line ceiling. Those are the two facts that decide your bill and your legal exposure.
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A parallel dialer places several outbound calls at once for a single rep and drops the extra lines as soon as one person answers, so the rep only ever hears a live voice. Most publish a ceiling between four and ten simultaneous lines. On August 13, 2026 we opened the pricing pages of ten platforms that sell parallel dialing, and three publish a figure you can budget from: Klenty charges $45 per user per month for a Parallel and Power Dialer add-on on top of a $70 or $99 seat, CloudTalk charges 39 euros per user for the same add-on, and Trellus prices at the individual rep. Apollo folds parallel dialing into a $119 per team per month add-on. Orum, Nooks, Koncert, Salesfinity and Kixie publish no price at all. Only two publish a line ceiling: Orum at five lines on Launch and ten on Ascend, and Koncert at one to four.
Why it works
What your team gets with parallel dialer software
No lines to race, no drops to report
A parallel dialer opens several lines because one human can only take one call. The AI agent takes every call it opens, so there is no losing line to tear down, nobody answers into silence, and the FTC three percent abandoned call cap is not the number your operations lead has to watch each month.
One published price, no dialer add-on
On three of the ten platforms we checked, parallel dialing is an add-on charged on top of the seat, and on five more there is no published price at all. Here the whole program is priced before you speak to anyone: $499, $1,490 and $3,900 a month, with connected minutes from $0.12 and no seat minimum to clear.
The rules enforced, not documented
Do Not Call scrubbing, the 8:00 a.m. to 9:00 p.m. window in the recipient time zone, the ten business day revocation deadline and five-year record retention are applied by the system on every call. That matters because the exposure stays with you as the seller no matter what places the call.
What it handles
Dialed, disclosed and booked on autopilot
The agent works your lead list, discloses it is an AI on every call, scrubs against DNC in real time, qualifies the prospect, handles objections, and books the meeting straight into your calendar and CRM.
- Records what ten parallel dialer platforms publish about price, with the date each page was read
- Publishes the line ceiling alongside the price, which no roundup in this category prints together
- Flags the Klenty $45 per user add-on and the Apollo $119 per team add-on that sit outside the seat
- Names the labelling trap: Kixie sells ten parallel lines under the name Power Dialer
- Settles the abandoned call argument from the verbatim text of 16 CFR 310.4(b)(1)(iv) and its safe harbor
The landscape
What ten parallel dialer platforms publish about price and about how many lines they open
Checked by rendering each vendor public pricing page on August 13, 2026, not copied from a directory. Two columns matter here that no roundup prints together: whether there is a number at all, and what the line ceiling is. The line ceiling sets both your dial rate and how many real people can be dropped mid-greeting. Telephony minutes, phone numbers and caller ID registration are billed on top of every row.
| Platform | Simultaneous lines it publishes | Published on its own pricing page, August 2026 | What you can tell before a sales call |
|---|---|---|---|
| ColdCalls.ai | Not applicable. The AI agent holds the conversation itself, so no rep is waiting on a line and there is no ratio to set | Published in full: $499/mo Starter, $1,490/mo Growth, $3,900/mo Scale, connected minutes from $0.12/min | There is no dialer add-on to unlock, no seat floor and nothing hidden behind a quote. Because no line is opened speculatively, there is no dropped-greeting exposure to manage |
| Klenty | Parallel dialing, marketed at 10 or more conversations an hour. No line ceiling published | Parallel and Power Dialer add-on $45 per user per month, on top of Growth at $70 or Plus at $99 per user per month billed annually | The clearest published number in this category, and it is an add-on rather than part of the seat. The $50 Starter tier is email only and cannot dial at all |
| Orum | Up to 5 lines on Launch, up to 10 lines on Ascend | No figure. Request Pricing on both tiers, each with a stated 3-seat minimum | The line cap is what separates the two tiers, so the cheaper one halves your dial rate. Caller IDs step too: 5 a month on Launch against 10 per user per month on Ascend |
| Koncert | AI Parallel Dialer, 1 to 4 lines | No figure. Get Pricing on every tier | One of only two here that publish a ceiling, and at 4 lines it is well below Orum and CloudTalk at 10. It sells five distinct dialers, so confirm which one the quote covers |
| CloudTalk | Parallel Dialer, up to 10 lines | Parallel Dialer add-on plus 39 euros per user per month, on top of 19 to 49 euro seats (read August 11, 2026) | Priced in euros, so a US buyer carries the exchange rate. Its Expert tier states a three licence minimum, and power dialing is a separate 15 euro add-on |
| Apollo | Parallel Dialer, no line ceiling published | Inside a $119 per team per month Advanced Dialer add-on, on top of $49 to $119 per seat annually (read August 11, 2026) | Priced per team rather than per seat, which is unusually good value at twenty reps and poor at two. The add-on also carries Power Dialer, International Dialer and Local Presence |
| Trellus | Multi-line dialing on the Parallel plan | Parallel at $149.99 and Power at $99.99 a month, both rendered struck through with $34.99 shown alongside | Priced at the individual rep rather than the team, and it runs inside your existing sales platform. Confirm which of the two figures is the renewal rate before budgeting a year |
| Nooks | Parallel dialing plus multi-line and power dialing. No ceiling published | No figure. Custom quote only | Nothing budgetable without a sales conversation, and no published line ceiling to compare against Orum or Koncert |
| Salesfinity | AI Parallel Dialer. No ceiling published | No figure | States plainly that there are no seat minimums to get started, which is rare in a category where 3-seat floors are normal |
| Kixie | Sold as Power Dialer: auto-dial up to 10 numbers in parallel | No figure published anywhere on the pricing page | The clearest example of the labelling trap here, because ten lines at once is parallel dialing whatever the tab is called. Do Not Call scrubbing is sold as a paid compliance add-on |
| PhoneBurner | None. One line per rep by design | $140, $165 and $183 per user per month billed annually (read August 11, 2026) | Included as the control row. The most clearly published price in this neighbourhood belongs to a dialer that deliberately does not open parallel lines |
ColdCalls.ai is our own product and is marked as such. Every other row records only what the vendor publishes publicly on the date shown. No published price means the vendor does not publish one, not that it is high or low, and no published line cap means the ceiling is not stated rather than unlimited. Elto is absent because its pricing page returned almost no content to us in a headless browser, which we record as unverified rather than guessing. The Apollo, CloudTalk and PhoneBurner rows were read on August 11, 2026 and are dated accordingly. Currencies are reproduced as each page rendered them for us in the United States.
How much does parallel dialer software cost?
Three of the ten platforms we opened on August 13, 2026 publish a figure you can actually build a budget from, and in every one of those three the parallel dialer is priced separately from the seat.
Klenty is the clearest. Its pricing page lists a Parallel and Power Dialer add-on at $45 per user per month, sitting on top of a Growth seat at $70 or a Plus seat at $99 per user per month billed annually. That means a five-rep team is looking at roughly $575 a month before a single minute of telephony, and the $50 Starter tier will not dial at all because it is an email product. CloudTalk follows the same shape from the other direction: a Parallel Dialer add-on at 39 euros per user per month on top of seats that run 19 to 49 euros, with power dialing charged separately again at 15 euros. Trellus breaks the pattern by pricing at the individual rep, listing Parallel at $149.99 and Power at $99.99 a month, both rendered struck through with $34.99 shown alongside, which is worth clarifying with them before you plan a renewal. Apollo folds parallel dialing into an Advanced Dialer add-on at $119 per team per month, which is the one genuinely team-priced offer here and swings from excellent at twenty reps to poor at two.
The other six publish nothing. Orum, Nooks, Koncert, Salesfinity and Kixie all require a conversation, and Orum and Koncert at least tell you what you would be getting by publishing a line ceiling. What none of the roundups mention is that the ceiling is itself a price lever: Orum separates its two tiers largely on lines, five on Launch against ten on Ascend, so the cheaper tier halves your dial rate for the same seat. Buying the lower tier to save money and then discovering you need twice the reps to hit the same conversation count is the most common way this purchase goes wrong. Three further costs sit outside every figure on this page. Telephony minutes are billed on usage. Phone numbers are billed per number, and parallel dialing burns through them faster than any other mode because carriers flag numbers that dial heavily. Caller ID registration and A2P 10DLC for SMS are separate again. If you are comparing across dialing modes rather than vendors, the one-call-per-rep economics are on power dialer software, the forecasting mode is on predictive dialer software, the category overview is on auto dialer software, and the full platform-level price picture is on outbound call center pricing.
- Ten platforms checked on their own pricing pages, August 2026. Three publish a budgetable figure
- Klenty: $45 per user per month add-on, on top of a $70 or $99 seat billed annually
- CloudTalk: parallel dialing plus 39 euros per user per month, on top of 19 to 49 euro seats
- Apollo: inside a $119 per team per month add-on, the only genuinely team-priced offer here
- Trellus: $149.99 and $99.99 a month struck through, with $34.99 rendered alongside
- Orum, Nooks, Koncert, Salesfinity and Kixie publish no price at all
- The line ceiling is a price lever: Orum splits its tiers at 5 lines against 10
- No figure here includes minutes, phone numbers, caller ID registration or A2P 10DLC
What is a parallel dialer and how does it work?
A parallel dialer opens several outbound lines at the same time for one rep and drops the extras the moment somebody answers. The rep sits in a session and hears nothing but live human voices, because every ring tone, voicemail greeting and disconnected tone is absorbed by the software.
Mechanically there are three moving parts. The first is the line count, usually somewhere between two and ten, which sets how aggressively the system dials ahead. The second is answer detection, which decides whether the thing that just picked up is a person or a voicemail system, and this is where the quality difference between vendors actually lives. Bad answer detection either hands the rep a voicemail greeting, wasting the time the product exists to save, or hesitates long enough that the person has said hello twice before anyone speaks. The third is what happens to the lines that were not chosen. They are torn down, and depending on how fast that happens, some of those people picked up their phone and heard nothing. Vendors describe the payoff in large multiples: Klenty markets 10 or more conversations an hour, Koncert talks about 15 or more prospects, and Trellus advertises a 5x lift in call output. Treat all of those as vendor claims rather than measurements, because the real number depends entirely on your list quality and your connect rate. For calibration, the Bridge Group 2025 Sales Development report, covering 351 B2B companies, puts a median rep at 44 dials a day producing 4.1 quality conversations.
There is a naming problem in this category that costs buyers real money, and it is worth being blunt about it. Kixie sells a feature it calls Power Dialer that auto-dials up to ten numbers in parallel. That is parallel dialing by any technical definition, regardless of the label on the tab. A genuine power dialer opens exactly one line per available rep and therefore structurally cannot drop a live person, which puts it in a different legal class entirely. So when a vendor says power dialer, ask the only question that matters: how many lines does it open per rep at once? If the answer is more than one, you are buying a parallel dialer and you inherit the obligations described in the next section. The mode-by-mode breakdown is in predictive dialer vs power dialer, and the realistic ceiling on what faster dialing achieves is in cold call connect rate benchmarks.
- Several lines opened at once for a single rep, extras torn down as soon as one is answered
- Line counts published in this set run from 1 to 4 (Koncert) up to 10 (Orum, CloudTalk, Kixie)
- Answer detection is the real quality differentiator, deciding person against voicemail in under a second
- The lines that lose the race are dropped, and some of those people had already picked up
- Vendor claims: Klenty 10+ conversations an hour, Koncert 15+ prospects, Trellus 5x output
- Bridge Group 2025, 351 B2B companies: a median rep makes 44 dials producing 4.1 quality conversations
- Kixie markets ten parallel lines under the name Power Dialer, which is a labelling trap
- The only question that settles it: how many lines does it open per rep at once?
Are parallel dialers legal, and do dropped lines count as abandoned calls?
Parallel dialers are legal in the United States. The genuinely contested question is whether the lines you drop count as abandoned calls, and the industry gives you two confident and opposite answers. One camp says dropped parallel lines are not abandoned calls because no rep was ever expected to take them. The other says every dropped line is an abandoned call. Both are overstatements, and the regulation is specific enough to settle it.
Here is the operative text, read from the eCFR on August 13, 2026. Under 16 CFR 310.4(b)(1)(iv), an outbound telephone call is abandoned if a person answers it and the telemarketer does not connect the call to a sales representative within two seconds of the person's completed greeting. Read that carefully, because two conditions do the work and neither of them is about intent. The test is whether a person answered, and whether a rep was connected within two seconds of the greeting finishing. Whether your dialer meant to reach them is nowhere in the sentence. So a line torn down while it is still ringing is not an abandoned call, because nobody answered it. A line where somebody picked up, said hello, and got silence or a click is an abandoned call, and it does not stop being one because your software had already given the rep to a different prospect. The argument that no rep was expected has no basis in the text.
That matters more than it first appears because of the denominator, which is the part almost every article gets wrong. The safe harbor at 310.4(b)(4)(i) protects you if your technology ensures abandonment of no more than three percent of all calls answered by a person, measured over a single calling campaign of less than 30 days, or separately over each successive 30-day period. Answered by a person, not placed. Opening ten lines instead of one does not dilute that ratio across a bigger pile of dials, because the dials nobody picked up are not in the denominator at all. Parallel dialing concentrates the exposure rather than spreading it: you have multiplied the number of humans who answer, and only one of them per race gets a rep. Three further conditions travel with that safe harbor and apply together. You must ring for at least fifteen seconds or four rings before disconnecting an unanswered call. Whenever a rep is not available within two seconds of the greeting, you must promptly play a recorded message stating the name and telephone number of the seller, which is an identification message and not a pitch. And you must retain records under 310.5(b) to (d) establishing that you did all three, for five years. In practice this is a configuration question, so ask any vendor on your shortlist three things: does it play a compliant identification message on dropped answered lines, does it measure the abandonment rate against calls answered by a person rather than calls placed, and can it produce that report per 30-day period. Everything else still applies regardless of dialing mode: the 8:00 a.m. to 9:00 p.m. residential window in the recipient time zone under 310.4(c), Do Not Call scrubbing, and the FCC revocation rule at 47 CFR 64.1200(a)(10), in force since April 11, 2025, under which a consumer may revoke consent by any reasonable method and you must honor it within a reasonable time not exceeding ten business days. The maximum civil penalty under 16 CFR 1.98 is $53,088 per violation, and calls are counted separately. The longer walk-through is in are power dialers illegal, the list obligations are in Do Not Call list rules for businesses, the metric itself is unpacked in call center abandon rate, and the AI-specific position is on TCPA compliant AI calling.
- Verbatim, 16 CFR 310.4(b)(1)(iv): abandoned if a person answers and no rep is connected within two seconds of the completed greeting
- A line dropped while still ringing is not abandoned. Nobody answered it
- A line where somebody said hello and got silence is abandoned, whatever your dialer intended
- The safe harbor denominator is all calls answered by a person, not all calls placed
- So more lines concentrates the exposure rather than diluting it across more dials
- Ring at least fifteen seconds or four rings before disconnecting an unanswered call
- Play a recorded message giving the seller name and telephone number when no rep is available
- Retain records under 310.5(b) to (d) for five years, per 30-day measurement period
- Ask vendors: identification message on drops, denominator used, and per-campaign reporting
- Penalty $53,088 per violation under 16 CFR 1.98, read from the eCFR on August 13, 2026
Parallel dialer vs power dialer vs predictive dialer: which one do you need?
These three names describe one variable: how many lines the system opens relative to how many reps are free. Everything else, from the CRM integration to the coaching features, is available in all three.
A power dialer opens one line per available rep. It is the slowest of the three and the only one that structurally cannot drop a live person, which keeps it outside the abandonment cap entirely. A parallel dialer opens several lines for one rep and drops the losers, trading that legal simplicity for a large jump in conversations per hour. A predictive dialer opens lines across a pool of reps based on a live forecast of when each will free up, which is the most efficient at genuine call-center scale and the most exposed, because the forecast can be wrong in both directions. The practical dividing line is your connect rate. If your list connects at a high rate, parallel lines mostly collide with each other and you are paying an add-on to drop calls on people who might have bought from you. If it connects at three or four percent, single-line dialing leaves a rep listening to ring tones most of the day, and parallel dialing is doing real work.
So the choice usually resolves on team size and list quality rather than preference. One to three reps working researched, named accounts: a power dialer or even a preview dialer, and the parallel add-on is not worth the money or the compliance overhead. Five to twenty reps working a large cold list with a low connect rate: this is where parallel dialing genuinely earns its keep, and it is exactly the band Orum, Nooks, Klenty, Koncert and Salesfinity are built for. Fifty or more agents on a continuous campaign: predictive pacing across a shared pool, with an operations person owning the abandonment report. One thing worth planning around before you scale any of them: pushing high volume through a small pool of numbers is the fastest route to getting those numbers labelled, which is covered in how to avoid spam likely on outbound calls. The platform-level view of all of this sits on outbound call center software.
- Power dialer: one line per available rep. Cannot abandon a call. Slowest of the three
- Parallel dialer: several lines for one rep, extras dropped. Faster, and it can drop live people
- Predictive dialer: lines opened across a rep pool on a live forecast. Fastest and most exposed
- High connect rate: parallel lines collide with each other and you are dropping potential buyers
- Low connect rate near 3 to 5 percent: parallel dialing is doing genuine work
- 1 to 3 reps on named accounts: power or preview dialing, skip the add-on
- 5 to 20 reps on a large cold list: the band parallel dialers are actually built for
- 50+ agents on a continuous campaign: predictive pacing, with someone owning the abandonment report
Do you still need a parallel dialer if an AI agent makes the calls?
Every feature in this category exists to solve one problem: a human rep is expensive, and listening to ring tones wastes them. Parallel lines, answer detection and voicemail drop are all ways of making sure the costly person only ever hears a live voice.
If the AI agent holds the conversation itself, that constraint disappears and the purchase changes shape. There is no single scarce rep that several lines are racing to feed, so there is no ratio to tune, no add-on to buy on top of a seat, and no line ceiling separating one pricing tier from another. Capacity becomes a number you configure rather than a headcount you hire. It also removes the specific exposure this page is about. Because a line is only opened when there is an agent to take it, nobody answers a call that has nothing behind it, which means the three percent cap, the identification message on dropped answers and the per-campaign abandonment reporting are not the thing standing between you and a fine. That is a structural difference rather than a compliance claim, and it is the same reason a one-call-per-rep power dialer sits in a lower risk class than predictive pacing.
What it does not change is everything else you owe as the seller. Do Not Call scrubbing, the 8:00 a.m. to 9:00 p.m. window in the recipient time zone, consent, the ten business day revocation deadline and five-year record retention all sit with you regardless of what places the call, and the FCC confirmed in February 2024 that AI-generated voices in calls fall under the TCPA. The honest trade is capability. A good rep working a researched account will still out-perform scripted qualification on a complex deal where the first conversation is effectively the sale, and you should buy seats for that work rather than dial at it. Where the list is large, the qualifying questions are stable and the only real bottleneck is that nobody can make enough calls, an agent that never queues is a better answer than more lines per rep. We publish our pricing in full for exactly that comparison: $499 a month for one AI SDR seat, $1,490 for three and $3,900 for ten, with connected minutes from $0.12. The detail is on AI dialer, AI cold calling software and best AI cold calling software. The two best-known parallel dialers are compared directly on the Nooks alternative page and the Orum alternative page.
- Parallel lines exist to stop a costly human hearing ring tones. Remove the human and the feature has no job
- No lines-per-rep ratio, no dialer add-on, no line ceiling gating a pricing tier
- A line is only opened when an agent is there to take it, so no answered call is left with nothing behind it
- That removes the 3% cap, the identification message and per-campaign abandonment reporting from your critical path
- It removes none of your other obligations: DNC, calling hours, consent, revocation and records
- FCC, February 2024: AI-generated voices in calls fall under the TCPA
- A skilled rep still wins on complex, researched, consultative deals. Buy seats for that work
- Our pricing is published in full: $499, $1,490 and $3,900 a month, minutes from $0.12
Why ColdCalls.ai
One AI SDR that runs the whole outbound job
Not a dialer, not a script tool, and not an offshore call center. Dial, disclose, qualify, handle objections and book meetings in one place, with compliance built in.
Calls every lead
The AI voice agent works your whole list, discloses it is an AI on every call, qualifies the prospect and handles objections, so no good lead goes uncalled.
Stays compliant
Real-time DNC scrubbing, TCPA and consent-aware calling, and configurable calling hours mean every call goes out inside the rules, automatically.
Books the meeting
Qualified prospects get booked straight into your calendar and synced to your CRM, so your reps walk into meetings instead of dialing all day.
Good questions
Questions about parallel dialer software
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