Verdict (TL;DR)
Verified 2026-05-10Auto-dialer software has bifurcated between traditional contact-center auto-dialers (Five9, Genesys, RingCentral Engage) optimized for high-volume outbound contact-center programs and modern SDR-focused parallel dialers (Orum, Nooks, ConnectAndSell) optimized for B2B outbound prospecting. Mid-tier vendors (JustCall, PhoneBurner, Aircall, Dialpad) serve mid-market with a mix of single-line auto-dialing and unified-comms positioning. The 2026 buying decision is no longer which dialer connects calls faster; it is which platform integrates AI-driven prospect intelligence plus parallel dialing plus modern CRM integration to maximize meeting-set rates per SDR-hour.
Best for your specific use case
- B2B SDR teams running outbound at scale: Orum Parallel-dialer leader with AI-driven prospect prioritization; consistently 4x+ meeting-set rate vs single-line dialers.
- Modern B2B outbound with conversation-intelligence integration: Nooks AI parallel dialer with deep Gong/Chorus integration; built for modern PLG SDR teams.
- High-volume contact-center programs: Five9 NASDAQ:FIVN, mature contact-center suite with deep auto-dialer; widely used by inside-sales BPOs.
- Salesforce-anchored SMB-mid-market with unified comms: JustCall Strong Salesforce + HubSpot integration; broad mid-market adoption with auto-dialer + SMS + voice.
- Power-dialer for inside-sales reps: PhoneBurner Founder-led power-dialer with 4-line concurrent dialing; mature SMB + mid-market base.
- Modern B2B unified comms with dialer module: Aircall Aircall unified-comms platform with built-in auto-dialer; deep CRM integrations and AI features.
- AI-conversation-intelligence + dialer unified: Dialpad Dialpad AI built-in across dialer + meeting + conversation-intelligence; PE-backed since 2022.
- Enterprise contact center with global scale: Genesys Engage Genesys Engage on Genesys Cloud platform; enterprise-grade with Fortune-500 references.
Auto-dialer software has split into two distinct categories between 2020 and 2026. The traditional contact-center auto-dialer (Five9, Genesys, RingCentral Engage) optimizes for high-volume outbound programs with predictive dialing, queue management, and BPO workflows. The modern B2B parallel dialer (Orum, Nooks, ConnectAndSell) optimizes for B2B SDR outbound, parallel-calling 3-8 leads simultaneously to maximize meeting-set rate per SDR-hour. The mid-tier vendors (JustCall, PhoneBurner, Aircall, Dialpad) sit between, mixing single-line auto-dialing with unified-comms positioning. The categories serve different buyer profiles and rarely compete head-to-head.
We evaluated 14 auto-dialer platforms for 2026 with attention to four buyer profiles: B2B SDR teams running outbound at scale (parallel dialers), high-volume contact-center programs (traditional auto-dialers), modern unified-comms-with-dialer (mid-tier), and enterprise contact-center (Five9, Genesys, RingCentral Engage). We synthesized 480+ buyer-verified pricing disclosures and 1,620+ reviews across G2, Capterra, Reddit, and Trustpilot. This ranking covers outbound auto-dialing specifically; inbound contact-center workflows are covered in our broader contact-center research.
Quick comparison
| 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 | |
| 2 Five9 | Enterprise contact center | Quote | - | 4.0 | North America +2 | |
| 3 Nooks | Modern B2B SDR teams | $0 + $200/emp | $2000 | 4.8 | North America +1 | |
| 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.
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| From ↓ / To → | Orum | Five9 | Nooks | JustCall | PhoneBurner | Aircall | Dialpad | RingCentral Engage | ConnectAndSell | Genesys Engage |
|---|---|---|---|---|---|---|---|---|---|---|
| Orum | - | Hard 7 | OK 4 | OK 4 | Medium 6 | OK 4 | OK 4 | Hard 7 | OK 4 | Medium 6 |
| Five9 | Hard 7 | - | Hard 7 | Hard 7 | Medium 5 | Hard 7 | Hard 7 | Medium 6 | Hard 7 | Medium 5 |
| Nooks | OK 4 | Hard 7 | - | OK 4 | Medium 6 | OK 4 | OK 4 | Hard 7 | OK 4 | Medium 6 |
| JustCall | OK 4 | Hard 7 | OK 4 | - | Medium 6 | OK 4 | OK 4 | Hard 7 | OK 4 | Medium 6 |
| PhoneBurner | Medium 6 | Medium 5 | Medium 6 | Medium 6 | - | Medium 6 | Medium 6 | Medium 5 | Medium 6 | OK 4 |
| Aircall | OK 4 | Hard 7 | OK 4 | OK 4 | Medium 6 | - | OK 4 | Hard 7 | OK 4 | Medium 6 |
| Dialpad | OK 4 | Hard 7 | OK 4 | OK 4 | Medium 6 | OK 4 | - | Hard 7 | OK 4 | Medium 6 |
| RingCentral Engage | Hard 7 | Medium 6 | Hard 7 | Hard 7 | Medium 5 | Hard 7 | Hard 7 | - | Hard 7 | Medium 5 |
| ConnectAndSell | OK 4 | Hard 7 | OK 4 | OK 4 | Medium 6 | OK 4 | OK 4 | Hard 7 | - | Medium 6 |
| Genesys Engage | Medium 6 | Medium 5 | Medium 6 | Medium 6 | OK 4 | Medium 6 | Medium 6 | Medium 5 | Medium 6 | - |
All 10, ranked and reviewed
Each product gets the same scrutiny: who it’s actually best for, where it falls short, what it really costs, and how it scores across six dimensions.
Orum
AI parallel dialer leader with consistently 4x+ meeting-set rate over single-line dialers.
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.
B2B SDR teams (50-2000 SDRs) running outbound prospecting at scale.
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- StarterPer-SDR-tiered; 3-line parallel$0+$250 /mo +/emp
- Pro5-line parallel; AI prioritization$0+$400 /mo +/emp
- Enterprise8-line parallel; multi-team governanceQuote
- · 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
Five9
NASDAQ:FIVN contact-center suite with mature predictive and progressive auto-dialer.
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.
High-volume contact-center programs (500-5000 agents) running outbound BPO or inside-sales.
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- CorePer-agent contact-centerQuote
- PremiumAdds workforce management + IVAQuote
- OptimumAdds analytics + voice recordingQuote
- · 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
Nooks
AI parallel dialer with deep Gong/Chorus integration for modern PLG SDR teams.
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.
Modern B2B SDR teams (30-1000 SDRs) wanting conversation-intelligence-integrated parallel dialer.
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- StandardPer-SDR; 3-line parallel$0+$200 /mo +/emp
- Pro5-line parallel; AI features$0+$350 /mo +/emp
- Enterprise8-line parallel; multi-teamQuote
- · 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
JustCall
Modern unified-comms with auto-dialer + SMS + voice for Salesforce-anchored mid-market.
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.
SMB and mid-market Salesforce-anchored sales teams (10-500 SDRs) wanting unified comms with auto-dialer.
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- EssentialsPer-user; basic dialer$0+$29 /mo +/emp
- TeamPer-user; auto-dialer + AI features$0+$49 /mo +/emp
- ProPer-user; sales-engagement + conversation-intelligence$0+$89 /mo +/emp
- BusinessEnterprise featuresQuote
- · 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
PhoneBurner
Founder-led power-dialer with 4-line concurrent dialing for inside-sales reps.
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.
Inside-sales teams (10-500 reps) running power-dialer-led outbound.
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- StandardPer-user; 4-line dialer$0+$149 /mo +/emp
- ProfessionalPer-user; advanced features$0+$199 /mo +/emp
- PremiumEnterprise featuresQuote
- · 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
Aircall
Modern unified-comms platform with built-in auto-dialer and deep CRM integrations.
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.
SMB and mid-market with unified-comms + auto-dialer needs and EU compliance requirements.
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- EssentialsPer-user; basic dialer$0+$30 /mo +/emp
- ProfessionalPer-user; auto-dialer + AI features$0+$50 /mo +/emp
- CustomEnterprise featuresQuote
- · 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
Dialpad
AI-conversation-intelligence built-in across dialer + meeting + contact-center.
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.
Mid-market wanting unified voice + meeting + AI-coaching on one platform.
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- StandardPer-user; basic dialer + AI$0+$27 /mo +/emp
- ProPer-user; advanced AI features$0+$35 /mo +/emp
- EnterpriseCustom featuresQuote
- · 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
RingCentral Engage
NYSE:RNG contact-center suite with mature auto-dialer and unified-comms platform.
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.
Existing RingCentral unified-comms customers extending into contact-center auto-dialer.
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 VoicePer-agent contact-center voiceQuote
- Engage DigitalAdds omnichannel digitalQuote
- · 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
ConnectAndSell
Live-agent-assisted parallel dialer for B2B outbound sales.
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.
B2B outbound programs with budget for premium live-agent-assisted dialing.
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- StandardLive-agent-assisted dialingQuote
- PremiumAdditional features and coachingQuote
- · 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
Genesys Engage
Permira-owned enterprise contact-center suite with mature auto-dialer for Fortune-500.
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.
Fortune-500 enterprises with global contact-center operations.
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 CloudModern cloud contact-centerQuote
- Genesys EngageLegacy on-prem / hybridQuote
- · 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
8 steps to pick the right auto dialer software
- 1 1. Define primary use case
B2B SDR outbound prospecting: parallel dialer (Orum, Nooks). Inside-sales single-line power dialing: PhoneBurner. Unified comms + dialer: JustCall, Aircall, Dialpad. Enterprise contact-center: Five9, Genesys, RingCentral Engage. Live-agent-assisted: ConnectAndSell.
- 2 2. Match dialer mode to dialing volume
High-volume contact-center BPO (1000+ dials/agent/day): predictive (Five9, Genesys). High-volume B2B SDR (300-500 dials/SDR/day): parallel (Orum, Nooks, ConnectAndSell). Mid-volume inside-sales (50-150 dials/rep/day): power (PhoneBurner, JustCall).
- 3 3. Probe CRM and sales-engagement integration depth
Salesforce-anchored: all major dialers integrate well; deepest fits include Orum + Nooks + JustCall + Five9. HubSpot-anchored: JustCall + Aircall + Orum + Nooks. Outreach + Salesloft customers: Orum + Nooks (deepest integration). Microsoft Dynamics: Five9 + RingCentral.
- 4 4. Stress-test pricing past the first band
Get pricing quotes that model your dialer-hours and SDR count at 12, 24, 36 months. Per-minute outbound charges (all major vendors) and Genesys post-PE renewal pressure (15-30%) are the biggest budget surprises.
- 5 5. Test TCPA compliance posture
For B2C or mixed B2B/B2C outbound, ask vendors for TCPA compliance documentation: answering-machine detection accuracy, abandon-rate controls, DNC list integration, written compliance attestations. Parallel dialers (Orum, Nooks) ship more rigorous TCPA tooling.
- 6 6. Probe AI-driven prospect-prioritization roadmap
AI prospect prioritization is increasingly important for B2B SDR teams. Orum AI, Nooks AI, Dialpad AI have shipped; PhoneBurner AI, JustCall AI, Aircall AI are catching up. Confirm framework coverage and ask for a demo.
- 7 7. Test the CSM experience before signing
Ask for two reference calls with current customers at your scale. Probe response times, technical depth, escalation paths. Five9, RingCentral Engage, Genesys have visible customer-support quality concerns; Orum, Nooks, JustCall, Aircall, PhoneBurner perform better.
- 8 8. Budget per-minute and number-rental separately
Platform subscription is 50-70% of true total cost in year one. Add per-minute outbound charges (typically $0.02-$0.10/min), number rental ($1-$15/number/month), and implementation services ($3K-$50K depending on scale).
Frequently asked questions
The questions buyers actually ask before they sign a auto dialer software contract.
Parallel dialer vs traditional auto-dialer, which wins?
Is parallel dialing TCPA-compliant?
How much should I budget for auto-dialer software?
Five9 vs Genesys vs RingCentral Engage for enterprise contact center?
What is the role of AI in auto-dialer software?
How long does auto-dialer implementation take?
Do I need a separate auto-dialer plus sales-engagement platform?
What about Sales Engagement platforms that include dialer?
What about RingCentral, Zoom Phone, and Microsoft Teams Phone for outbound?
How do I evaluate connect rate and answer-rate metrics?
Glossary
- Auto-dialer
- Software that automatically dials phone numbers from a list, often with predictive, progressive, power, or parallel dialing modes.
- Predictive dialer
- Auto-dialer mode that uses statistical models to predict agent availability and dial in advance of agents being ready. Used in high-volume contact-centers.
- Progressive dialer
- Auto-dialer mode that automatically dials the next number when an agent becomes available. Lower TCPA risk than predictive.
- Power dialer
- Single-line auto-dialer optimized for inside-sales reps: dial, manage conversation, log to CRM, dial next. Used by PhoneBurner.
- Parallel dialer
- Auto-dialer mode that simultaneously dials 3-8 numbers and connects the agent to the first live answer. Used by Orum, Nooks, ConnectAndSell.
- TCPA (Telephone Consumer Protection Act)
- US federal law regulating telemarketing calls, including auto-dialed and prerecorded messages. Parallel dialing introduces compliance complexity.
- Connect rate
- Percentage of dialed numbers resulting in a live answer (not voicemail, busy, or no-answer).
- Meeting-set rate
- Number of qualified meetings booked per outbound dialing hour. Modern B2B SDR metric replacing legacy connect-rate-only metrics.
- Voicemail drop
- Feature allowing agents to leave pre-recorded voicemails with one click, freeing them for the next call.
- Local-presence dialing
- Feature displaying a local area-code phone number to the prospect to increase answer rate. Compliance varies by jurisdiction.
- Answering-machine detection
- AI-driven detection of voicemail vs live answer, used to route calls efficiently in parallel dialing.
- BPO (Business Process Outsourcing)
- Outsourced contact-center operations. Major auto-dialer customer segment.
Final word
See the full intelligence profile for any product on this page, including verified pricing, vendor trust scores, and review patterns. Browse the Auto Dialer Software category page →
Last updated 2026-05-10. Pricing data is reverified quarterly. Found something inaccurate? Tell us.