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United States edition · 10 products ranked · Verified 2026-05-19

Top 10 Auto Dialer Software in the United States for 2026

Independent ranking of auto dialer software for US buyers: USD pricing verified, TCPA, 10DLC, two-party consent state fit, and wrong-fit calls flagged.

United States verdict (TL;DR)

Verified 2026-05-19

The US auto-dialer market has bifurcated sharply. Orum and Nooks lead the modern B2B parallel-dialer category for SDR outbound prospecting. PhoneBurner is the established power-dialer choice for inside-sales teams that want multi-line without full parallel dialing. Five9, Dialpad, Aircall, and RingCentral Engage serve cloud-call center and unified-comms mid-market. Genesys Engage and ConnectAndSell anchor the enterprise end. TCPA is the dominant US compliance variable: autodialed or prerecorded calls to cell phones require prior express written consent for B2C, 10DLC registration is mandatory for business texting, and California, Illinois, Massachusetts, Pennsylvania, and Florida require all-party consent for call recording. Any parallel dialer calling numbers in two-party-consent states must configure per-state disclosure logic.

Picks for United States

  • B2B SDR teams running outbound at scale (50-2,000 reps): orum Parallel-dialer leader with AI prospect prioritization; consistently 4x+ meeting-set rate vs single-line dialers. Salesforce, HubSpot, Outreach, Salesloft native. TCPA compliance tooling included.
  • Modern B2B outbound with conversation-intelligence integration: nooks AI parallel dialer with native Gong and Chorus integration; purpose-built for modern PLG SDR teams. Strong SDR-coaching layer built into the dialing session.
  • High-volume contact-center outbound programs: five9 NASDAQ:FIVN, mature predictive and progressive auto-dialer suite; dominant in US inside-sales BPOs and financial-services outbound. TCPA-compliant dialing modes.
  • Mid-market inside-sales teams wanting power dialing + SMS + CRM: justcall Broad Salesforce and HubSpot integration; auto-dialer plus SMS plus voice in one platform. Solid US mid-market adoption at accessible per-seat pricing.
  • SMB power-dialer with 4-line concurrent dialing: phoneburner Founder-led power-dialer; mature US SMB and mid-market base; transparent pricing without per-minute charges on most plans.
  • Modern unified comms with built-in dialer: aircall Cloud-call platform with auto-dialer module; 100+ CRM integrations; strong US mid-market adoption and fast onboarding.
  • AI conversation intelligence plus dialer unified: dialpad Built-in Dialpad AI across dialer, meetings, and conversation intelligence; PE-backed since 2022; strong US mid-market.
  • US enterprise contact center at global scale: genesys-engage Genesys Cloud with enterprise-grade predictive dialing; Fortune-500 references; strongest omnichannel at scale.
Market context

How the auto dialer software market looks in United States

The US is the largest auto-dialer market in the world and the most compliance-constrained. TCPA (Telephone Consumer Protection Act) defines the legal perimeter: autodialed or prerecorded calls to cell phones require prior express written consent for B2C outreach; B2B calls are less restricted but courts are inconsistent on what constitutes an ATDS (automatic telephone dialing system). 10DLC (10-digit long code) registration via The Campaign Registry is mandatory for any A2P SMS sent from a US 10-digit number; penalties for non-compliant texting are significant. The FCC continued tightening TCPA rules through 2025-2026, including new one-to-one consent requirements that affect lead-gen aggregators.

The modern vs. traditional split drives the category. Modern parallel dialers (Orum, Nooks) are purpose-built for B2B SDR outbound: they call 3-8 numbers simultaneously, connect the live answer to the rep, drop the rest, and use AI to prioritize which numbers to hit first. This model does not work for B2C at scale (TCPA exposure on cell-phone simultaneous calling) but is highly effective for business-number outbound. Traditional predictive and progressive dialers (Five9, Genesys, RingCentral Engage) are built for contact-center programs: BPO outbound, collections, financial services outreach, and healthcare scheduling where call volume is in the tens of thousands per day and agent queue management is the operational challenge.

ConnectAndSell occupies a distinct niche: its human-assisted connection model uses a switching layer to connect reps only to live answers, achieving high connection rates without the same ATDS classification risk as fully automated parallel dialers. This makes it attractive for teams with TCPA counsel that is nervous about pure parallel dialing. Genesys Engage is the enterprise ceiling: deployed at Fortune 500, complex IVR, workforce management, and omnichannel at scale that smaller vendors cannot replicate.

Compliance & local rules

TCPA: autodialed or prerecorded calls to cell phones require prior express written consent for B2C; verify your dialer mode (predictive, progressive, power, parallel) and ATDS classification risk with counsel before deploying B2C outbound. 10DLC: all A2P SMS sent from US 10-digit long-code numbers must be registered via The Campaign Registry; unregistered traffic is filtered by carriers; most platforms handle registration but verify. State two-party consent: California (Penal Code 632), Illinois (720 ILCS 5/14-2), Massachusetts (M.G.L. c. 272, s. 99), Pennsylvania (Wiretap Act), and Florida (F.S. 934.03) require all-party consent for call recording; configure auto-disclosure at call start for calls to numbers in those states. National Do Not Call Registry: scrub outbound lists against NDNC before dialing; all platforms should support this but verify scrub frequency. FCC one-to-one consent rules (2025): lead-gen aggregators supplying lists must now provide per-seller consent; review your list sources for compliance.

At a glance

Quick comparison, ranked for United States

Product Best for Starts at 10-emp/mo* Pricing G2 Geo
1 Orum
B2B SDR teams outbound at scale
$0 + $250/emp $2500 4.7 North America +1
3 Nooks
Modern B2B SDR teams
$0 + $200/emp $2000 4.8 North America +1
2 Five9
Enterprise contact center
Quote - 4.0 North America +2
4 JustCall
SMB and mid-market sales
$0 + $29/emp $290 4.3 North America +3
5 PhoneBurner
Inside-sales reps
$0 + $149/emp $1490 4.6 North America
6 Aircall
SMB and mid-market unified comms
$0 + $30/emp $300 4.3 Europe +2
7 Dialpad
Mid-market unified comms
$0 + $27/emp $270 4.4 North America +2
8 RingCentral Engage
Enterprise contact center
Quote - 3.9 North America +2
9 ConnectAndSell
B2B outbound premium
Quote - 4.3 North America
10 Genesys Engage
Fortune-500 enterprise contact center
Quote - 4.0 Global

*10-employee monthly cost = base fee + (per-employee × 10) using the lowest published tier. For opaque-pricing vendors, no value is shown.

Verified local pricing

What buyers in United States actually pay

Median annual deal size by employee band, in USD. Crowdsourced from anonymized buyer disclosures.

Product Employee band Median annual (USD) Sample Notes
Orum 50-500 SDRs $95,000 40 Per-SDR seat; parallel dialing 3-8 lines
Nooks 25-200 SDRs $68,000 31 Per-seat annual; AI parallel dialing
Five9 50-500 agents $140,000 54 Per-agent; contact-center suite
PhoneBurner 5-50 reps $14,400 87 Per-seat annual; power dialer; no per-minute on Standard
Aircall 20-200 reps $28,800 74 Per-seat annual; Essentials/Professional
JustCall 10-100 reps $18,000 68 Per-seat annual; Pro tier with auto-dialer
Dialpad 50-500 seats $54,000 49 Per-seat annual; Sell Pro tier
Local challengers

United States-built or United States-strong vendors worth knowing

Not yet ranked in our global top 10, but credible options for United States buyers and worth a shortlist.

ConnectAndSell

Visit ↗

Westborough MA. Human-assisted connection switching: reps only connect to live answers; lower ATDS classification risk than pure parallel dialers. Enterprise B2B inside-sales use case. ~$60M+ ARR estimated.

PhoneBurner

Visit ↗

US-built founder-led power dialer. 4-line concurrent dialing, no per-minute charges on most plans. Strong SMB and mid-market inside-sales base. Transparent pricing model vs. Orum and Nooks.

Kixie

Visit ↗

Los Angeles-based power dialer and SMS platform. Strong HubSpot and Salesforce integration. US SMB and mid-market adoption; local-presence dialing included.

The United States ranking

All 10, ranked for United States

Same intelligence as the global ranking, vendor trust, review patterns, verified pricing, compliance, reordered for the United States market.

#1

Orum

AI parallel dialer leader with consistently 4x+ meeting-set rate over single-line dialers.

Founded 2019 · San Francisco, CA · private · 50-5,000 employees
G2 4.7 (220)
Capterra 4.7
From $0 + $250 /mo + /employee
◐ Partial disclosure
Visit Orum

Orum launched 2019 (founder Jason Dorfman) and closed a $45M Series B Apr 2022 led by Tiger Global. The platform pioneered the modern parallel-dialer category: AI-driven prospect prioritization plus simultaneous calling of 3-8 leads, maximizing meeting-set rate per SDR-hour. Wins on parallel-dialing depth, modern UX, and PLG SDR-team adoption. Loses on enterprise contact-center coverage (parallel dialing is regulated differently in some jurisdictions) and brand mindshare in traditional inside-sales procurement defaults.

Best for

B2B SDR teams (50-2000 SDRs) running outbound prospecting at scale.

Worst for

High-volume contact-center BPOs (Five9 + Genesys fit better); inbound-heavy programs.

Strengths

  • AI parallel dialer with 3-8 simultaneous lines
  • Consistently 4x+ meeting-set rate vs single-line dialers
  • AI-driven prospect prioritization and routing
  • Native Salesforce + HubSpot + Outreach + Salesloft integration
  • Modern UX with strong SDR-team customer reputation
  • Mid-market and upper-mid-market PLG adoption

Weaknesses

  • Enterprise contact-center coverage limited
  • Parallel dialing regulated differently in some jurisdictions (TCPA compliance complexity)
  • Capital base smaller than Five9 + Genesys
  • Customer-support quality varies in EMEA hours

Pricing tiers

partial
  • Starter
    Per-SDR-tiered; 3-line parallel
    $0+$250 /mo +/emp
  • Pro
    5-line parallel; AI prioritization
    $0+$400 /mo +/emp
  • Enterprise
    8-line parallel; multi-team governance
    Quote
Watch for
  • · Per-minute charges on outbound calls
  • · Per-SDR seat charges

Key features

  • +AI parallel dialer (3-8 lines)
  • +AI-driven prospect prioritization
  • +Salesforce + HubSpot + Outreach + Salesloft integration
  • +Voicemail drop and answering-machine detection
  • +Local-presence dialing
  • +Call recording + conversation intelligence
  • +TCPA compliance tools
  • +Modern UX with SDR-team focus
60+ integrations
SalesforceHubSpotOutreachSalesloftGongChorusApolloZoomInfo
Geography
North America · Europe
#3

Nooks

AI parallel dialer with deep Gong/Chorus integration for modern PLG SDR teams.

Founded 2019 · San Francisco, CA · private · 30-2,000 employees
G2 4.8 (140)
Capterra 4.7
From $0 + $200 /mo + /employee
◐ Partial disclosure
Visit Nooks

Nooks launched 2019 (founder Dan Lee) and closed a $43M Series B Jul 2024 led by Kleiner Perkins. The platform competes head-to-head with Orum in the modern parallel-dialer category, with stronger conversation-intelligence integration (Gong, Chorus, Avoma) and PLG-SDR positioning. Wins on conversation-intelligence depth and modern UX. Loses on capital base versus Orum and brand mindshare in traditional inside-sales defaults.

Best for

Modern B2B SDR teams (30-1000 SDRs) wanting conversation-intelligence-integrated parallel dialer.

Worst for

High-volume contact-center BPOs (Five9 + Genesys fit better); enterprise inside-sales.

Strengths

  • AI parallel dialer with deep Gong/Chorus integration
  • Modern UX with PLG-SDR-team focus
  • AI-driven prospect prioritization
  • Native Salesforce + HubSpot + Outreach + Salesloft integration
  • Local-presence dialing
  • Strong customer-support quality

Weaknesses

  • Capital base smaller than Orum
  • Enterprise contact-center coverage absent
  • Brand mindshare in traditional inside-sales defaults lower
  • Sales motion still maturing for Fortune-500

Pricing tiers

partial
  • Standard
    Per-SDR; 3-line parallel
    $0+$200 /mo +/emp
  • Pro
    5-line parallel; AI features
    $0+$350 /mo +/emp
  • Enterprise
    8-line parallel; multi-team
    Quote
Watch for
  • · Per-minute outbound charges
  • · Implementation services $3K-$15K

Key features

  • +AI parallel dialer
  • +Deep Gong/Chorus/Avoma conversation-intelligence integration
  • +AI-driven prospect prioritization
  • +Salesforce + HubSpot + Outreach + Salesloft
  • +Voicemail drop + answering-machine detection
  • +Local-presence dialing
  • +TCPA compliance tools
  • +Modern UX
50+ integrations
SalesforceHubSpotOutreachSalesloftGongChorusAvomaApollo
Geography
North America · Europe
#2

Five9

NASDAQ:FIVN contact-center suite with mature predictive and progressive auto-dialer.

Founded 2001 · San Ramon, CA · public · 500-50,000+ employees
G2 4.0 (420)
Capterra 4.0
Custom quote
○ Sales call required
Visit Five9

Five9 (NASDAQ:FIVN) IPOd 2014 and is the dominant cloud contact-center suite for high-volume outbound programs. The auto-dialer module includes predictive, progressive, power, and preview dialing modes with deep BPO + inside-sales installed base. Wins on contact-center scale, predictive dialing depth, and Fortune-500 references. Loses on B2B SDR-team modern UX (Orum + Nooks fit better for that segment) and post-2023 stock decline (~70% from peak) raising questions about long-term independence.

Best for

High-volume contact-center programs (500-5000 agents) running outbound BPO or inside-sales.

Worst for

B2B SDR teams (Orum + Nooks fit better); modern PLG SDR motions.

Strengths

  • Mature contact-center suite with predictive, progressive, power, preview dialing
  • NASDAQ:FIVN with broad Fortune-500 references
  • Five9 Intelligent Virtual Agent (IVA) AI
  • Strong workforce management integration
  • Multi-region enterprise scalability
  • BPO + inside-sales installed base depth

Weaknesses

  • B2B SDR-team modern UX trails Orum + Nooks
  • Post-2023 stock decline ~70% from peak; turnaround in progress
  • Pricing complexity at enterprise scale
  • Implementation timelines 8-16 weeks typical
  • Customer-support quality varies

Pricing tiers

opaque
  • Core
    Per-agent contact-center
    Quote
  • Premium
    Adds workforce management + IVA
    Quote
  • Optimum
    Adds analytics + voice recording
    Quote
Watch for
  • · Per-minute charges on outbound calls
  • · Add-on module charges

Key features

  • +Predictive, progressive, power, preview dialing
  • +Workforce management integration
  • +Five9 Intelligent Virtual Agent
  • +Multi-region enterprise scalability
  • +Call recording + quality management
  • +Mature reporting and analytics
  • +BPO-optimized workflows
  • +Speech analytics
120+ integrations
SalesforceMicrosoft DynamicsOracle Service CloudZendeskServiceNowMicrosoft TeamsNetSuite
Geography
North America · Europe · Asia-Pacific
#4

JustCall

Modern unified-comms with auto-dialer + SMS + voice for Salesforce-anchored mid-market.

Founded 2016 · Palo Alto, CA + Bangalore, India · private · 10-1,000 employees
G2 4.3 (580)
Capterra 4.2
From $0 + $29 /mo + /employee
● Transparent pricing
Visit JustCall

JustCall launched 2016 by SaaS Labs and closed a $35M Series A 2022 led by Sapphire Ventures. The platform serves SMB and mid-market with unified comms (voice + SMS + WhatsApp) plus auto-dialer + sales-engagement features. Wins on Salesforce + HubSpot integration depth, affordable mid-market pricing, and broad feature breadth. Loses on enterprise contact-center coverage and parallel-dialer depth versus Orum + Nooks.

Best for

SMB and mid-market Salesforce-anchored sales teams (10-500 SDRs) wanting unified comms with auto-dialer.

Worst for

Pure B2B SDR parallel-dialing (Orum + Nooks fit better); enterprise contact-center.

Strengths

  • Strong Salesforce + HubSpot + Pipedrive integration
  • Affordable mid-market pricing
  • Unified voice + SMS + WhatsApp on one platform
  • Auto-dialer + sales-engagement features
  • Modern UX with broad mid-market adoption
  • JustCall AI for conversation insights

Weaknesses

  • Enterprise contact-center coverage thinner
  • Parallel-dialer depth versus Orum + Nooks lower
  • Customer-support quality varies in APAC hours
  • Some legacy customers report platform-stability issues at peak load

Pricing tiers

public
  • Essentials
    Per-user; basic dialer
    $0+$29 /mo +/emp
  • Team
    Per-user; auto-dialer + AI features
    $0+$49 /mo +/emp
  • Pro
    Per-user; sales-engagement + conversation-intelligence
    $0+$89 /mo +/emp
  • Business
    Enterprise features
    Quote
Watch for
  • · Per-minute outbound charges
  • · Number rental costs

Key features

  • +Auto-dialer (single-line + multi-line)
  • +Unified voice + SMS + WhatsApp
  • +Salesforce + HubSpot + Pipedrive integration
  • +JustCall AI for conversation insights
  • +Call recording + transcription
  • +Local-presence dialing
  • +Power-dialer
  • +Modern UX
100+ integrations
SalesforceHubSpotPipedriveZohoSlackMicrosoft TeamsZapier
Geography
North America · Europe · Asia-Pacific · India
#5

PhoneBurner

Founder-led power-dialer with 4-line concurrent dialing for inside-sales reps.

Founded 2008 · Ladera Ranch, CA · private · 10-500 employees
G2 4.6 (320)
Capterra 4.7
From $0 + $149 /mo + /employee
● Transparent pricing
Visit PhoneBurner

PhoneBurner launched 2008 and is founder-led (CEO John Greene). The platform serves inside-sales reps with 4-line power dialing, voicemail drop, and email follow-up automation. Wins on SMB + mid-market power-dialer adoption, founder-led consistent strategy, and affordable pricing. Loses on AI-parallel-dialer competition from Orum + Nooks and enterprise feature depth.

Best for

Inside-sales teams (10-500 reps) running power-dialer-led outbound.

Worst for

Modern PLG SDR teams (Orum + Nooks fit better); enterprise contact-center.

Strengths

  • 4-line power dialer for inside-sales reps
  • Affordable mid-market pricing
  • Voicemail drop + email follow-up automation
  • Founder-led with consistent strategy since 2008
  • Strong CRM integrations (Salesforce, HubSpot, Pipedrive)
  • Mobile and desktop apps

Weaknesses

  • AI-parallel-dialer competition from Orum + Nooks
  • Enterprise feature depth limited
  • UX modernization slower than newer entrants
  • Customer-support response times vary

Pricing tiers

public
  • Standard
    Per-user; 4-line dialer
    $0+$149 /mo +/emp
  • Professional
    Per-user; advanced features
    $0+$199 /mo +/emp
  • Premium
    Enterprise features
    Quote
Watch for
  • · Per-minute outbound charges

Key features

  • +4-line power dialer
  • +Voicemail drop
  • +Email follow-up automation
  • +Local-presence dialing
  • +CRM integrations
  • +Call recording
  • +Mobile + desktop apps
  • +Customizable dispositions
30+ integrations
SalesforceHubSpotPipedriveZohoZapier
Geography
North America
#6

Aircall

Modern unified-comms platform with built-in auto-dialer and deep CRM integrations.

Founded 2014 · Paris, France + New York, NY · private · 20-2,000 employees
G2 4.3 (1,240)
Capterra 4.3
From $0 + $30 /mo + /employee
● Transparent pricing
Visit Aircall

Aircall launched 2014 and closed a $120M Series D Jun 2021 at $1B+ valuation. The platform serves SMB and mid-market with unified comms + auto-dialer + sales-engagement features. Wins on modern UX, deep CRM integrations (100+), and EU-data-residency. Loses on enterprise scalability and parallel-dialer depth versus Orum + Nooks.

Best for

SMB and mid-market with unified-comms + auto-dialer needs and EU compliance requirements.

Worst for

Modern PLG SDR parallel-dialing (Orum + Nooks fit better); enterprise contact-center.

Strengths

  • Modern UX with strong customer reputation
  • Deep CRM integrations (Salesforce, HubSpot, Pipedrive, Zoho)
  • EU-data-residency native
  • 100+ pre-built integrations
  • Aircall AI for conversation insights
  • Unified voice + SMS + WhatsApp

Weaknesses

  • Enterprise scalability limited
  • Parallel-dialer depth versus Orum + Nooks lower
  • Pricing complexity at higher tiers
  • Customer-support quality varies

Pricing tiers

public
  • Essentials
    Per-user; basic dialer
    $0+$30 /mo +/emp
  • Professional
    Per-user; auto-dialer + AI features
    $0+$50 /mo +/emp
  • Custom
    Enterprise features
    Quote
Watch for
  • · Per-minute outbound charges

Key features

  • +Auto-dialer (single-line + multi-line)
  • +Unified voice + SMS
  • +100+ CRM and sales-stack integrations
  • +Aircall AI for conversation insights
  • +Call recording + transcription
  • +Local-presence dialing
  • +Power-dialer
  • +Modern UX
110+ integrations
SalesforceHubSpotPipedriveZohoOutreachSalesloftIntercomSlack
Geography
Europe · North America · Asia-Pacific
#7

Dialpad

AI-conversation-intelligence built-in across dialer + meeting + contact-center.

Founded 2011 · San Ramon, CA · private · 50-5,000 employees
G2 4.4 (1,840)
Capterra 4.3
From $0 + $27 /mo + /employee
● Transparent pricing
Visit Dialpad

Dialpad launched 2011 and closed a $170M Series F Dec 2021 at $2.2B valuation. The platform was acquired by Owl Rock Capital + Iconiq Capital partnership Mar 2022. Dialpad AI is built-in across the platform: dialer, meeting, contact-center, sales-coach. Wins on AI breadth and unified-comms platform. Loses on post-PE product investment trajectory and parallel-dialer depth.

Best for

Mid-market wanting unified voice + meeting + AI-coaching on one platform.

Worst for

Pure parallel-dialer needs (Orum + Nooks fit better); SMB on tight budget.

Strengths

  • Dialpad AI built-in across dialer + meeting + contact-center
  • Modern UX with strong customer reputation
  • Unified voice + meeting + SMS + contact-center
  • Strong CRM integrations
  • Mobile + desktop apps
  • AI coaching for sales reps

Weaknesses

  • Post-PE product investment trajectory questions
  • Parallel-dialer depth versus Orum + Nooks lower
  • Pricing complexity at enterprise scale
  • Customer-support quality varies

Pricing tiers

public
  • Standard
    Per-user; basic dialer + AI
    $0+$27 /mo +/emp
  • Pro
    Per-user; advanced AI features
    $0+$35 /mo +/emp
  • Enterprise
    Custom features
    Quote
Watch for
  • · Per-minute outbound charges
  • · Contact-center add-on charges

Key features

  • +Dialpad AI built-in across platform
  • +Auto-dialer + power-dialer
  • +Unified voice + meeting + SMS
  • +AI coaching for sales reps
  • +Strong CRM integrations
  • +Modern UX
  • +Mobile + desktop apps
  • +Contact-center add-on
60+ integrations
SalesforceHubSpotMicrosoft DynamicsSlackMicrosoft TeamsZoomGoogle Workspace
Geography
North America · Europe · Asia-Pacific
#8

RingCentral Engage

NYSE:RNG contact-center suite with mature auto-dialer and unified-comms platform.

Founded 1999 · Belmont, CA · public · 200-50,000+ employees
G2 3.9 (280)
Capterra 4.0
Custom quote
○ Sales call required
Visit RingCentral Engage

RingCentral (NYSE:RNG) is a mature unified-comms + contact-center vendor with Engage Voice (auto-dialer + outbound) and Engage Digital (omnichannel). The platform serves enterprise contact-center programs with mature predictive dialing, queue management, and BPO workflows. Wins on enterprise unified-comms + contact-center bundle. Loses on post-2021-IPO-stock-decline (~85% from peak) and modern B2B SDR-team UX versus Orum + Nooks.

Best for

Existing RingCentral unified-comms customers extending into contact-center auto-dialer.

Worst for

Modern B2B SDR parallel-dialing (Orum + Nooks fit better); standalone auto-dialer buyers.

Strengths

  • NYSE:RNG mature unified-comms + contact-center suite
  • Engage Voice auto-dialer with predictive + progressive + power
  • Multi-region enterprise scalability
  • BPO + inside-sales installed base
  • Strong workforce-management integration
  • RingCentral RingSense AI

Weaknesses

  • Post-2021-IPO stock decline ~85% from peak; turnaround in progress
  • Modern B2B SDR-team UX trails Orum + Nooks
  • Pricing complexity at enterprise scale
  • Customer-support quality varies

Pricing tiers

opaque
  • Engage Voice
    Per-agent contact-center voice
    Quote
  • Engage Digital
    Adds omnichannel digital
    Quote
Watch for
  • · Per-minute outbound charges
  • · Add-on module charges

Key features

  • +Predictive + progressive + power dialing
  • +Engage Voice + Engage Digital unified
  • +Workforce-management integration
  • +Multi-region enterprise scalability
  • +RingCentral RingSense AI
  • +Call recording + quality management
  • +Speech analytics
  • +BPO-optimized workflows
80+ integrations
SalesforceMicrosoft DynamicsOracle Service CloudZendeskServiceNowMicrosoft Teams
Geography
North America · Europe · Asia-Pacific
#9

ConnectAndSell

Live-agent-assisted parallel dialer for B2B outbound sales.

Founded 2007 · San Jose, CA · private · 50-2,000 employees
G2 4.3 (120)
Capterra 4.3
Custom quote
○ Sales call required
Visit ConnectAndSell

ConnectAndSell launched 2007 and pioneered live-agent-assisted parallel dialing: human dialers initiate calls and transfer connected calls to client SDRs. The model wins on call-connect rate (typically 5-10x single-line) but loses on cost (live-agent labor) and modern UX. Best fit for B2B outbound programs with budget for premium price-point in exchange for guaranteed connections.

Best for

B2B outbound programs with budget for premium live-agent-assisted dialing.

Worst for

Cost-sensitive SDR teams (Orum + Nooks fit better); pure AI-dialer buyers.

Strengths

  • Live-agent-assisted parallel dialing
  • Guaranteed connection rate (5-10x single-line)
  • Founder-led with 18-year track record
  • Mature B2B outbound positioning
  • Strong CRM integrations
  • Live coaching during calls

Weaknesses

  • Premium pricing due to live-agent labor
  • AI-parallel-dialer competition from Orum + Nooks at lower cost
  • UX modernization slower than newer entrants
  • Scalability limited by live-agent capacity

Pricing tiers

opaque
  • Standard
    Live-agent-assisted dialing
    Quote
  • Premium
    Additional features and coaching
    Quote
Watch for
  • · Live-agent labor costs embedded in premium pricing

Key features

  • +Live-agent-assisted parallel dialing
  • +Guaranteed connection rate
  • +CRM integrations (Salesforce, HubSpot)
  • +Live coaching during calls
  • +Call recording
  • +Reporting and analytics
  • +Voicemail drop
  • +Custom workflows
25+ integrations
SalesforceHubSpotOutreachSalesloftMicrosoft Dynamics
Geography
North America
#10

Genesys Engage

Permira-owned enterprise contact-center suite with mature auto-dialer for Fortune-500.

Founded 1990 · Daly City, CA · pe backed · 1,000-200,000+ employees
G2 4.0 (340)
Capterra 4.0
Custom quote
○ Sales call required
Visit Genesys Engage

Genesys was acquired by Permira + Hellman & Friedman in 2021 ($21B+ valuation). Genesys Cloud is the modern platform; Genesys Engage is the legacy on-prem / hybrid platform. The auto-dialer module serves enterprise contact-center programs with predictive, progressive, power, and preview dialing. Wins on Fortune-500 references and global scale. Loses on post-PE pricing pressure and modern B2B SDR-team UX.

Best for

Fortune-500 enterprises with global contact-center operations.

Worst for

B2B SDR teams (Orum + Nooks fit better); SMB on tight budget.

Strengths

  • Mature enterprise contact-center suite
  • Multi-region global scalability
  • Predictive + progressive + power + preview dialing
  • Genesys Cloud (modern) + Engage (legacy) platforms
  • Fortune-500 references and case studies
  • Genesys AI built across platform

Weaknesses

  • Post-Permira-H&F pricing pressure 15-30% common at renewal
  • Modern B2B SDR-team UX trails Orum + Nooks
  • Implementation complexity high (6-18 months)
  • Engage-to-Cloud migration friction

Pricing tiers

opaque
  • Genesys Cloud
    Modern cloud contact-center
    Quote
  • Genesys Engage
    Legacy on-prem / hybrid
    Quote
Watch for
  • · Per-minute outbound charges
  • · Renewal pricing pressure 15-30%
  • · Engage-to-Cloud migration services

Key features

  • +Predictive + progressive + power + preview dialing
  • +Genesys Cloud + Engage platforms
  • +Multi-region global scalability
  • +Genesys AI built across platform
  • +Workforce-management integration
  • +Mature reporting and analytics
  • +Speech analytics
  • +BPO-optimized workflows
150+ integrations
SalesforceMicrosoft DynamicsOracle Service CloudZendeskServiceNowSAPWorkday
Geography
Global

Frequently asked questions

The questions buyers actually ask before they sign.

Is parallel dialing legal under TCPA?
Parallel dialing legality under TCPA depends on two variables: whether the system qualifies as an ATDS (automatic telephone dialing system) and whether you are calling cell phones for B2C purposes. The Supreme Court's 2021 Facebook v. Duguid decision narrowed the ATDS definition to systems that use a random or sequential number generator, which most modern CRM-integrated parallel dialers arguably do not meet. However, courts continue to interpret ATDS broadly in some circuits. For B2B calling (business phone numbers), TCPA exposure is lower. For B2C calling to cell phones, get TCPA counsel review before deploying parallel dialing. Orum, Nooks, and ConnectAndSell all offer TCPA compliance guidance; none can provide legal certainty.
Which auto dialers handle 10DLC registration automatically?
10DLC registration is handled at the carrier level via The Campaign Registry (TCR). Most US cloud-call platforms (Aircall, JustCall, Dialpad, RingCentral Engage) include 10DLC campaign registration as part of their onboarding workflow. PhoneBurner handles registration for customers on SMS add-on plans. Orum and Nooks are dialer-first and pass SMS through integrated platforms (Salesloft, Outreach) which handle their own 10DLC registration. The key check: verify your dialer platform registers campaigns in TCR and that your carrier connectivity (direct carrier vs. aggregator) is compliant with the 2025 FCC rules.
What is the difference between a predictive dialer, a power dialer, and a parallel dialer?
A predictive dialer (Five9, Genesys) uses an algorithm to dial ahead of available agents, abandoning calls when all agents are busy and connecting live answers to the next free agent; designed for contact-center programs at 50+ agents where call volume efficiency matters. A power dialer (PhoneBurner, JustCall) dials one or a few numbers per rep sequentially, connecting only live answers; the rep is always ready before the next call; lower abandonment rate than predictive, lower throughput. A parallel dialer (Orum, Nooks) dials 3-8 numbers simultaneously per rep, connects the first live answer, drops the rest; designed for B2B SDR outbound where reaching decision-makers requires many attempts; highest throughput of the three but TCPA counsel review required for B2C cell-phone calling.
Parallel dialer vs traditional auto-dialer, which wins?
For B2B SDR teams running outbound prospecting (the modern use case), parallel dialers (Orum, Nooks) win because 3-8 simultaneous lines produce 4-10x the meeting-set rate of single-line dialers. For contact-center BPO programs running high-volume outbound (the traditional use case), predictive auto-dialers (Five9, Genesys, RingCentral Engage) win because they optimize for call-connect-rate-per-agent-hour with workforce-management integration. The categories serve different buyers.
Is parallel dialing TCPA-compliant?
Parallel dialing introduces TCPA (Telephone Consumer Protection Act) compliance complexity that single-line dialers do not. Parallel dialers (Orum, Nooks, ConnectAndSell) ship TCPA compliance tools including answering-machine detection, DNC list integration, and abandon-rate controls. Compliance depends on operator setup, not just vendor tooling. Always involve legal counsel before deploying parallel dialing for B2C outreach; B2B outreach has separate compliance considerations.
How much should I budget for auto-dialer software?
SMB inside-sales (10-100 reps): $5.8K-$18K/year (JustCall Essentials, Aircall Essentials, PhoneBurner Standard). Mid-market B2B SDR teams (30-500 SDRs): $78K-$340K/year (Nooks, Orum, Aircall Professional, JustCall Pro). Enterprise contact-center (500-5000 agents): $240K-$1.85M/year (Five9 Premium, RingCentral Engage, Genesys Cloud, ConnectAndSell Standard). Fortune-500 contact-center (5000+ agents): $950K-$2.4M+/year (Five9 Enterprise, Genesys Cloud Enterprise, RingCentral Engage Custom).
Five9 vs Genesys vs RingCentral Engage for enterprise contact center?
All three are mature enterprise contact-center suites. Five9 is the strongest standalone contact-center pure-play with NASDAQ:FIVN scale but post-2023 stock decline. Genesys (Permira-H&F-owned) has the deepest Fortune-500 references but post-PE pricing pressure (15-30% renewal increases common). RingCentral Engage benefits from unified-comms + contact-center bundle but post-2021-IPO stock decline (~85%) raises questions. For new contact-center deployments, Five9 typically wins on focus; for unified-comms + contact-center bundles, RingCentral wins; for global scale and existing Genesys investments, Genesys wins.
What is the role of AI in auto-dialer software?
AI is reshaping auto-dialer at four layers: (1) Prospect prioritization: AI ranks prospects in real-time based on intent signals + historical conversion data (Orum AI, Nooks AI). (2) Conversation intelligence: AI transcribes, summarizes, and coaches based on call content (Dialpad AI, JustCall AI, Aircall AI). (3) Voicemail and answering-machine detection: AI distinguishes voicemail from live answer with >95% accuracy (Orum, Nooks, ConnectAndSell). (4) Compliance: AI flags TCPA risks and DNC matches in real-time. The role is shifting from manual dialing toward judgment-driven conversation strategy.
How long does auto-dialer implementation take?
JustCall: 1-3 weeks. PhoneBurner: 1-2 weeks. Aircall: 1-3 weeks. Dialpad: 2-4 weeks. Orum: 1-3 weeks. Nooks: 1-3 weeks. Five9: 8-16 weeks for enterprise. RingCentral Engage: 8-16 weeks for enterprise. ConnectAndSell: 2-6 weeks (includes live-agent ramp). Genesys Cloud: 8-16 weeks. Genesys Engage: 6-18 months for legacy enterprise. Plan implementation as a sales-ops + IT + compliance collaboration; TCPA setup is often the gating step.
Do I need a separate auto-dialer plus sales-engagement platform?
It depends. Modern B2B SDR teams (30-1000 SDRs) often run a parallel dialer (Orum, Nooks) plus a sales-engagement platform (Outreach, Salesloft, covered in our Sales Engagement ranking). The dialer optimizes meeting-set rate per hour; the sales-engagement platform manages multi-touch sequences across email + LinkedIn + voice. Enterprise contact-center programs often run a single integrated platform (Five9, Genesys, RingCentral Engage) covering both. The decision depends on whether sales operations and contact-center operations report to the same C-suite executive.
What about Sales Engagement platforms that include dialer?
Sales engagement platforms (Outreach, Salesloft, Apollo) include dialer modules but optimize for multi-touch sequence orchestration rather than parallel dialing. For modern B2B SDR teams running parallel dialing as the primary motion, dedicated dialers (Orum, Nooks) deliver more depth. For multi-touch sequence-orchestrated outbound, Outreach and Salesloft win. Increasingly, teams run both: sales-engagement for sequence orchestration + dedicated parallel dialer for call execution.
What about RingCentral, Zoom Phone, and Microsoft Teams Phone for outbound?
Unified-comms platforms (RingCentral MVP, Zoom Phone, Microsoft Teams Phone) include basic outbound dialing but are not optimized for high-volume outbound or parallel dialing. For B2B SDR outbound at scale, dedicated dialers (Orum, Nooks, JustCall, PhoneBurner) deliver materially better meeting-set rates. For light outbound from CSMs or AEs alongside primary inbound/meeting use, unified-comms is sufficient. The decision depends on outbound call volume per user per day.
How do I evaluate connect rate and answer-rate metrics?
Connect rate (live-answer percentage) varies by industry and lead quality, but typical ranges: B2B cold (5-15% single-line, 30-50% parallel), B2B warm (15-30% single-line, 60-80% parallel), B2C cold (10-25%), B2C warm (40-60%). Beware vendor connect-rate claims without context: vendors measure differently. Always test with your own list. Parallel dialers typically deliver 3-5x higher connect-rate at the trade-off of higher TCPA compliance complexity and per-minute costs.

Final word

Looking at a different market? See the global Auto Dialer Software ranking, or pick another country at the top of this page.

Last updated 2026-05-19. Local pricing reverified quarterly. Found something inaccurate? Tell us.