15 automatic call dialer options and how they work

These are the 15 best automatic call dialing solutions for 2025

1. Harmonix AI
2. HubSpot Sales Dialer
3. RingCentral Auto Dialer
4. Five9 Predictive Dialer
5. Aircall Power Dialer
6. Zoho CRM PhoneBridge
7. Dialpad Sell
8. Salesforce Lightning Dialer
9. CallHippo Auto Dialer
10. Vonage Contact Center
11. CloudTalk Smart Dialer
12. Talkdesk Auto Dialer
13. JustCall Auto Dialer
14. Freshsales Power Dialer
15. VanillaSoft SmartCaller

Automatic dialers not only optimize communication with local clients, but also allow a company to expand its reach globally.

And what does this imply?

Thanks to the integration with VoIP and artificial intelligence, businesses can scale their operations with no geographic limits. Here's how.

What is an automatic call dialer?

An automatic dialer is an essential tool for sales and customer service teams seeking to maximize their efficiency.

This software automates calls, eliminating the wait time between one and the next, allowing agents to talk to more customers in less time.

When integrated with a CRM, an automatic dialer filters inactive numbers, prioritizes clients and automatically logs each conversation.

There are different types of dialers, each designed to suit specific needs.

The 10 Best Automatic Call Dialing Solutions of 2025

1. Harmonix AI

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Harmonix AI is not a traditional automatic dialer, but it fulfills this function and much more.

While a dialer only optimizes calls, Harmonix integrates all communication channels in one place.

All channels in one place
Harmonix AI centralizes calls, WhatsApp, video calls, emails and chats within the CRM.

All interactions are recorded automatically, avoiding manual tasks and offering a complete view of the customer.

Automation with artificial intelligence

Harmonix's AI analyzes conversations, generates automatic summaries, and captures call transcript data for deeper insight and suggests actions, helping agents prioritize leads and close more deals.

Greater productivity without extra effort
Harmonix automates CRM updates, interaction logging and follow-ups.

This reduces manual work and allows teams to focus on selling more.

Omnichannel: More data for better decisions
Many companies only use calls, missing key information from other channels.

Harmonix records and analyzes all interactions, providing more data for more effective strategies.

Key features of Harmonix AI

• Telephony and interactive voice response – Make and manage calls from the CRM
• SMS and WhatsApp messaging – Automate and log conversations
• Automated email – Fast sending of personalized emails
• Unified inbox – All messages in one panel
• Process automation – Reduction of manual tasks with AI
• Smart scheduling – Automated appointment booking

Harmonix AI not only acts as an automatic dialer, it also boosts productivity and improves customer management with artificial intelligence and omnichannel capabilities.

Book your free demo and see how Harmonix can power your call center with AI.

2. HubSpot Sales Dialer

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HubSpot Sales Dialer is a solution designed for sales teams already working within the HubSpot CRM ecosystem.

This automatic dialer allows calls to be made directly from the platform, eliminating the need to use external apps and keeping everything centralized.

Each call is automatically logged in the contact's profile, including notes, recordings (if enabled) and outcomes.

You can also schedule automatic follow-ups, activate reminders and link tasks directly with the sales pipelines.

One of its main advantages is its smooth integration with other HubSpot tools, which facilitates comprehensive management of the sales cycle.

Its intuitive interface and low adoption threshold make it ideal for teams seeking efficiency without technical complications.

Key advantages:

• Click-to-call from the CRM
• Automatic activity logging
• Scheduled and automated follow-ups
• Integration with marketing and sales workflows

3. RingCentral Auto Dialer

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RingCentral Auto Dialer is a robust business communication solution that includes advanced automatic dialing functionality.

It is designed to handle large volumes of calls efficiently, ideal for companies operating in sales, support or intensive outbound campaigns.

The tool includes intelligent routing capabilities, ensuring each call reaches the right agent based on availability, language or specialization.

It also offers real-time analytics, detailed stats by agent, campaign or group, and compatibility with key integrations like Salesforce, Zendesk or Microsoft Teams.

Its flexibility in configuration makes it a scalable option, adaptable to both small teams and large contact centers.

Strengths:

• Progressive and predictive auto dialing
• Call distribution based on custom rules
• Advanced analytics and real-time dashboards
• Integration with CRMs and business management systems

4. Five9 Predictive Dialer

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Five9 Predictive Dialer is specially designed for call centers handling high volumes of interactions.

It uses artificial intelligence algorithms to dynamically adjust the dialing speed based on team availability, minimizing downtime and increasing productivity.

Its predictive approach significantly reduces the number of missed calls and improves the connection rate with real customers.

It also provides tools for recording, performance analysis and regulatory compliance, making it suitable for both sales and customer service.

Among its strongest features is its ability to integrate with leading CRM platforms, adapt to complex campaigns and optimize agent management in real time.

Highlighted features:

• Predictive dialing with smart algorithms
• Conversation analysis and key metrics
• Compliant with standards like TCPA and GDPR
• Smooth integration with Salesforce, Oracle and more

5. Aircall Power Dialer

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Aircall Power Dialer is a solution specially designed for sales teams that need to maximize their phone efficiency.

This automatic dialer allows loading contact lists, making sequential calls and minimizing wait time between interactions.

One of its great strengths is the native integration with the most used CRMs, such as Salesforce, HubSpot, Zoho and Pipedrive.

This ensures each call is logged in real time, along with notes, tags and outcomes.

Aircall also offers additional features like pre-recorded voice messages, call assignment and advanced reports, allowing managers to measure agent and campaign performance.

Highlighted features:

• Automated call sequence
• Real-time integration with popular CRMs
• Call monitoring and recording
• Performance analysis and exportable reports

6. Zoho CRM PhoneBridge

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Zoho CRM PhoneBridge is an automatic dialing tool designed specifically for users of the Zoho ecosystem.

It allows making and receiving calls directly from the CRM, logging interactions without manual input and linking each call with the corresponding contact or opportunity.

This integration supports multiple VoIP telephony providers, giving it great flexibility for businesses with their own phone infrastructure.

PhoneBridge also facilitates the management of inbound and outbound calls, showing contextual notifications and enabling agents to act immediately with access to full customer info.

Main benefits:

• Click-to-call from Zoho CRM
• Automatic call and note logging
• Compatible with over 50 VoIP systems
• Unified workflow and higher productivity

7. Dialpad Sell

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Dialpad Sell is a business communication platform powered by artificial intelligence, designed to transform how teams sell over the phone.

Its auto dialer includes features like real-time transcription, conversation analysis and contextual suggestions during the call.

This not only improves efficiency, but also the quality of the sales pitch.

Dialpad analyzes every interaction and generates automatic reports on key topics, objections and improvement opportunities.

Integration with CRMs like Salesforce ensures perfect traceability without manual tasks, enabling a smart, data-driven sales experience.

Best of Dialpad Sell:

• Real-time transcription and analysis
• AI-powered auto dialing
• Personalized insights by conversation
• Smooth integration with sales platforms

8. Salesforce Lightning Dialer

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Salesforce Lightning Dialer is the auto dialing solution developed by Salesforce, ideal for teams already working within this CRM.

It allows calls to be made directly from contact, account or opportunity records, without installing external apps or switching platforms.

Calls are logged automatically, follow-up reminders can be scheduled and personalized flows can be activated based on each call’s outcome.

Being integrated with all Salesforce automation features, the sales process becomes more fluid, consistent and traceable from the first contact.

Key advantages of Lightning Dialer:

• Calls from the CRM without switching tabs
• Automatic logging of commercial activity
• Customizable and scalable workflow
• Ideal for B2B sales with multiple interactions

9. CallHippo Auto Dialer

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CallHippo Auto Dialer is one of the most accessible and versatile automatic dialing solutions on the market.

Specially designed for startups and small businesses, it offers an ideal mix of functional power and ease of use.

This auto dialer includes VoIP technology, allowing calls from anywhere in the world without complex physical equipment.

Its real-time analytics system helps sales teams evaluate performance, measure conversions and optimize each interaction.

The interface is very intuitive, reducing the learning curve, and its flexible pricing model makes it a great choice for growing businesses needing a scalable tool.

Main advantages:

• Multichannel VoIP automatic dialing
• Control panel with key stats and metrics
• Integration with CRMs like Salesforce, HubSpot and Zoho
• Pricing tailored for expanding companies

10. Vonage Contact Center

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Vonage Contact Center is an advanced communication solution designed for companies that prioritize high-level customer service and operational efficiency.

More than just an Automatic Call Dialer, Vonage combines VoIP telephony features with a powerful suite of analytics and automation.

This tool enables intelligent call routing based on agent availability, customer priority or interaction history.

It also offers detailed and customizable reports that help improve processes, train teams and elevate the customer experience.

Vonage also integrates with the main CRMs on the market, including Salesforce and Microsoft Dynamics, facilitating a consistent workflow across support, sales and management teams.

Highlighted features:

• Automatic dialing with intelligent routing
• Real-time call recording and analysis
• Advanced integration with CRMs and business tools
• Ideal for high-demand, multichannel contact centers

11. CloudTalk Smart Dialer

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CloudTalk is a cloud-based telephony solution ideal for sales and support teams that need to optimize productivity.

Its smart auto dialer enables continuous sequences without unnecessary pauses, significantly increasing agent efficiency.

This tool integrates with popular CRMs like Salesforce, Pipedrive and HubSpot, and also offers real-time analytics, call recording and key metrics to improve commercial performance.

Main features:

• Automatic dialer based on dynamic lists
• Live call recording and monitoring
• Cross-platform CRM integration
• 100% cloud-based setup

12. Talkdesk Auto Dialer

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Talkdesk is much more than a contact center: it is an AI-powered platform offering a powerful auto dialer for sales and customer service teams.

Its predictive dialing technology adjusts the call rate based on agent availability and response volume, optimizing every second of the sales process.

With Talkdesk, teams gain not just speed, but intelligence, thanks to its analytics and automation capabilities.

Strengths:

• Configurable predictive and progressive dialer
• Artificial intelligence to prioritize contacts
• Native integration with Salesforce and other tools
• Custom reports for each campaign

13. JustCall Auto Dialer

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JustCall is a VoIP solution with a practical approach to automating outbound calls.

Its Automatic Call Dialer allows you to create contact lists, launch chained calls and log all interactions automatically within the CRM.

It is especially useful for sales teams conducting large-scale prospecting without losing traceability or time.

It also offers SMS features, recordings, call transcription and real-time supervision.

Highlighted advantages:

• Bulk dialing from personalized lists
• Integrated CRM with automatic logging
• Tracking and analytics functions
• Compatible with multiple languages and time zones

14. Freshsales Power Dialer

Freshsales, part of the Freshworks suite, offers a Power Dialer that speeds up outbound sales calls without leaving the CRM.

With its Automatic Call Dialer, agents can make fast, uninterrupted sequences, increasing the number of effective contacts per day.

This tool also allows call recording, real-time note-taking and task automation after each call, all from an intuitive and simple interface.

Key aspects:

• Automated dialing integrated in the CRM
• Full tracking of the sales cycle
• Post-call task and alert automation
• Native integration with other Freshworks solutions

15. VanillaSoft SmartCaller

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VanillaSoft is specifically designed for outbound sales and telemarketing, with a powerful smart automatic dialer that prioritizes leads based on defined criteria.

Its SmartCaller system combines progressive dialing with AI, allowing agents to optimize time and focus on contacts with the highest conversion potential.

It also automates call flows, logs results in real time and generates detailed performance reports.

Featured functions:

• Smart prioritization of outbound calls
• Automated workflow between calls
• Result analysis and campaign reports
• Ideal for SDRs and inside sales teams focused on measurable sales conversation impact.

4 Types of Automatic Call Dialers

There are different types of automatic dialers, and each is designed to suit the specific needs of each team, campaign or commercial strategy.

Choosing the right dialer can make a big difference in efficiency, focus and the results of outbound calls.

Below, we explain the four main types you should know:

1. Preview Dialer

This type of Automatic Call Dialer allows agents to view relevant contact information before the call is made.

This includes data such as purchase history, past interactions, location, job title, among others.

It is especially useful in consultative sales, where personalizing each conversation can be decisive for moving through the sales funnel.

It is also very valuable for support departments that need to understand the customer context before offering a solution.

This approach ensures more human, informed and relevant contact, improving the customer experience and increasing the conversion rate.

2. Progressive Dialer

The progressive dialer automates the dialing of numbers sequentially, launching a new call as soon as an agent finishes the previous one and is available.

This system ensures there is no unnecessary downtime, without overwhelming agents with multiple simultaneous calls.

That is why it is an excellent option for small or medium teams seeking a steady, orderly flow of contacts.

Also, by keeping control in the hands of the system and not the agent, it allows for standardization of work pace, consistent interaction quality and reduced risk of missed or unattended calls.

3. Power Dialer

The Power Dialer is ideal for high-volume campaigns where the goal is to maximize the number of contacts made in the shortest time possible.

This dialer works by automatically calling a list of numbers one after another, with no pauses between calls, and only transfers the call to the agent when there is a response.

This type of Automatic Call Dialer significantly increases productivity by eliminating wait times and allowing agents to focus solely on answering.

It usually includes features like recording, note-taking and automated follow-up that facilitate post-call management.

It is ideal for processes such as cold prospecting, lead recovery or mass surveys, where volume is more important than personalization.

4. Predictive Dialer

The predictive dialer uses advanced algorithms to dial several numbers at once and connect only those calls answered by a person, not by voicemail or an inactive line.

This system accurately predicts when an agent will be available and launches calls just before, maximizing the team’s efficiency.

It is the preferred option for large sales teams or call centers needing to rapidly scale their operational capacity.

Thanks to artificial intelligence, the predictive dialer can adjust its behavior in real time based on response rate, team availability and workload.

The result: more useful calls in less time, without compromising contact quality.

Want to boost productivity and automate your sales workflow? Start with a free demo.

5 Advantages of Automatic Dialing Software

1. Increases call volume and agent productivity

With an automatic dialer, agents can make up to three times more calls per day, eliminating downtime and boosting efficiency.

2. Improves customer experience

By connecting calls faster and displaying previous info on screen, agents can offer quicker, more personalized responses that improve your net promoter score.

3. Enhances your data management and analysis

All calls are logged automatically in the CRM, allowing better tracking, performance analysis, and long-term customer retention.

4. Expands your global reach

Companies can manage international calls without worrying about high costs, thanks to integrated VoIP telephony.

5. Reduces costs and improves your ROI

By eliminating manual tasks and optimizing team resources, companies reduce operational costs and achieve faster return on investment.

3 Hidden Benefits of Implementing an Automatic Call Dialer

When talking about software to automate calls, most people think of efficiency or increased contact volume.

However, there are less visible but equally strategic benefits a good Automatic Call Dialer can bring.

1. Reduction of agent burnout and turnover

One of the most important, but often underestimated, impacts is the improvement in agent work quality.

By eliminating repetitive tasks like manual dialing or list tracking, the auto dialer lets agents focus on what really adds value: the customer conversation.

This optimization not only increases productivity, but also reduces burnout, stress and staff turnover, resulting in lower training costs and greater operational continuity.

2. Real-time strategy adjustments

Thanks to live data collection, many automatic dialers allow supervisors to adjust campaigns while they are in progress.

This means scripts can be changed, contacts prioritized or even call schedules reconfigured based on detected behavior, enabling a continuous cycle of continuous improvement.

This dynamic adaptability makes the Automatic Call Dialer a tool not only for execution, but also for commercial intelligence.

3. Reduction in abandonment and better connection

When a dialer is not well configured or the team lacks sufficient capacity, the result is missed calls and user frustration.

Modern predictive dialers solve this with algorithms that balance workload with dialing pace.

This reduces customer wait time, avoids empty calls and increases real connection rate with available, receptive people.

Discover Harmonix’s AI features in action, schedule your free demo today.

What Should an Automatic Call Dialer Offer in 2025?

In an increasingly digital and competitive environment, it's no longer enough for a dialer to simply make calls.

Today, companies need complete solutions that offer automation, analytics and adaptability.

Omnichannel integration for a 360º view of the customer

A modern call dialer should not be limited to the phone channel.

Today's reality demands tools that integrate WhatsApp, SMS, email, social media and more.

This omnichannel capability allows all interactions to be logged in one place, giving agents complete context in every call.

Thus, communication becomes more fluid, personalized and effective.

Artificial intelligence applied to every call

The incorporation of AI into dialing systems is what makes the difference in 2025.

AI not only speeds up tasks, it also analyzes conversation content, detects keywords, emotions and behavioral patterns.

With this information, the software can suggest concrete actions, such as prioritizing a contact, scheduling a follow-up or even changing the campaign approach.

Incorporating tools like WhatsApp Business into your auto dialer strategy also allows sales and support agents to maintain fluid, personal communication across platforms, giving teams a unified contact history.

Integrated legal compliance

Automatic dialers must comply with regulations such as gdpr, ensuring robust data protection across all channels, TCPA or other local laws, especially regarding auto calls, consent and call recording.

Therefore, it is essential that the software includes features like consent management, data anonymization and role-based access control, ensuring compliance with measures like two factor authentication and user access control.

Advanced analytics and real-time dashboards

Data-based decision-making is essential.

A next-generation Automatic Call Dialer offers customizable dashboards with key metrics: success rate, average conversation time, optimal contact hours, among others.

This information not only helps measure team performance, it also allows current campaigns to be optimized and future actions to be planned with greater precision.

Ready to revolutionize your contact center? Request your free demo now.

How to Choose the Best Auto Dialing Software for Your Company

Team Size and Call Volume Requirements

Before selecting any Auto Dialing Software, it's crucial to evaluate the size of your sales or support team and the daily volume of outbound calls.

If the system is too complex for a small team, it may result in unnecessary costs and unused features. 

On the other hand, if your team is large and the software is too basic, you may experience delays, inefficiencies and poor performance tracking.

Choose a dialer that scales properly with your current needs and offers room for future growth.

Integration Requirements

A good Auto Dialing platform should integrate seamlessly with your existing tools, especially your CRM.

Without proper integration, your team will have to switch between applications, leading to duplicated work and fragmented data. 

Look for software that allows real-time data synchronization, automatic call logging and workflow automation inside the tools you already use.

The more native and bi-directional the integration, the smoother your operations will be.

Type of Call Campaigns

Not all Auto Dialers are created equal. The best option depends on the type of calling campaigns you run most frequently.

• If your campaigns are highly personalized or involve complex sales, a preview dialer is more suitable.
  
  
• For steady calling with moderate pace, go with a progressive dialer that matches availability with calls.
  
  
• For high-volume, aggressive outreach, a predictive dialer maximizes efficiency by placing multiple calls simultaneously.
  
  

Each dialing method aligns with a specific commercial objective. Choose one that supports your sales strategy, not just your contact list.

Global Coverage Needs

If your company operates across different countries or time zones, global calling capabilities become essential.

Look for Auto Dialing Software that supports VoIP, international numbers and local caller IDs to ensure smooth communication with prospects or clients worldwide.

Having this flexibility not only improves customer experience, but also allows you to expand into new markets without increasing infrastructure costs.

Budget and Scalability

Cost matters, but so does the ability to scale as your business grows.

Choose an Auto Dialer that offers flexible pricing plans, allowing you to start small and expand usage as needed. Avoid solutions that require expensive upgrades or new infrastructure every time your team or call volume increases.

Scalability and transparent pricing are key to keeping your operations efficient and future-proof.

Frequently Asked Questions (FAQs)

What is a CRM with an Auto Call Dialer system?

A CRM with an Auto Call Dialer is a platform that integrates automatic calling features directly into your customer relationship management system. This means your team can place outbound calls without dialing manually, saving time and reducing errors.

These systems allow agents to access customer profiles, previous interactions and real-time notes all from the same screen. 

The combination of CRM data with auto-dialing creates a more efficient workflow, where each call is automatically logged, follow-ups are scheduled, and key insights are captured without extra effort.

In short, it’s a powerful tool for scaling outbound communication without increasing workload.

Which Auto Call Dialer is best for my CRM?

The best Auto Call Dialer for your CRM depends on factors like your call volume, team size, existing CRM platform and your automation needs.

If you're looking for a tool that does more than just dial, Harmonix AI is one of the most complete solutions. 

It integrates seamlessly with CRMs like Salesforce, HubSpot or Zoho, and adds layers of artificial intelligence to automate tasks, summarize calls and prioritize opportunities based on real-time insights.

Other strong options include HubSpot Sales Dialer, Aircall, or Five9, depending on your preferred ecosystem and budget.

What are the challenges of using Auto Call Dialers?

Although Auto Call Dialers can significantly boost productivity, there are a few challenges to be aware of.

A poor configuration may result in unattended calls, longer wait times or even compliance issues if local telemarketing laws are not followed. Additionally, if the system isn’t integrated properly with your CRM, valuable customer data might get lost or go untracked.

The key is to choose a solution that automates responsibly, ensures call monitoring, and provides clear reporting so teams remain efficient and compliant.

How does an Auto Call Dialer work?

An Auto Call Dialer automates the process of dialing a list of phone numbers. It identifies when agents are available and starts calling automatically, reducing idle time and maximizing talk time.

Once a call is answered, it connects the agent instantly. Some dialers offer predictive dialing, which can call multiple numbers at once and only connect calls that are answered by real people.

Combined with CRM integration, this ensures that every call is tracked, recorded and optimized for performance, eliminating manual steps while improving consistency.

Why is sales analysis important when using Auto Call Dialers?

Sales analysis is essential to understand what’s working and what’s not in your call strategy.

Auto Dialers produce a wealth of data: from call duration, answer rates and time between touches, to conversion rates and customer feedback. 

Analyzing this data allows your team to refine scripts, improve timing and identify which leads are more likely to convert.

When paired with AI, like in Harmonix, the system can even detect patterns, objections or emotions in calls, helping your team sell smarter, not harder. In competitive environments, this level of insight is what turns activity into actual revenue.

No risk, just results, try Harmonix with a free demo and see the impact.

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