Choose the Best Dialer for Cold Calling in 2025 (B2B Buyer’s Guide)

Introduction

In the high-stakes world of B2B sales, cold calling remains a powerful way to reach new prospects – but only if you can do it efficiently and at scale. Manually dialing one number after another simply doesn’t cut it anymore. That’s where a dialer for cold calling comes in. The right dialer can multiply your team’s calling output, boost connection rates, and ensure no lead falls through the cracks. But how do you choose the best dialer for cold calling in 2025 for your business needs?

This comprehensive buyer’s guide will walk you through everything B2B sales leaders need to know – from dialer types and key features to look for, to top dialer software options on the market. By the end, you’ll know exactly how to pick a cold calling dialer that accelerates your outbound sales and keeps you on the right side of the law. Let’s dive in.

What Is a Cold Calling Dialer and Why Does It Matter?

A cold calling dialer is an automated calling system that dials phone numbers from a list and connects your sales reps only when a live person answers. Instead of reps wasting time dialing digits, navigating voicemails, or getting busy signals, a dialer handles those tasks and frees your team to focus on live conversations. In essence, a dialer is the engine that powers high-volume outbound calling campaigns in B2B sales (4).

Using a dialer for cold calls can dramatically increase your team’s productivity. In fact, AI-powered dialers can boost call volume by up to 300% and improve connection rates through features like local presence dialing and smart call scheduling (6). Sales reps might spend only 20–30% of their day actually talking to prospects with manual dialing (8), but a good cold call dialer flips that ratio by eliminating idle time. More live conversations mean more opportunities to pitch your solution and set qualified appointments.

Equally important, modern dialers integrate with your CRM and sales stack to automatically log call outcomes and track metrics. Every call (answered or not) can be recorded, transcribed, and analyzed. This gives sales leaders visibility into what’s working and what isn’t – which cold call scripts convert, which times of day yield pickups, and how each rep is performing (3) (6). With outbound call tracking data in hand, you can continuously optimize your team’s approach. In short, a cold calling dialer is a must-have tool for B2B sales teams looking to scale outreach while maintaining quality and insight.

Cold Calling Software vs. Dialers: What’s the Difference?

It’s easy to get confused by terms like “cold calling software” versus “dialer.” In practice, a dialer is one crucial component of cold calling software (or cold calling platforms, as they’re often called). Here’s how they differ:

• Cold calling software generally refers to a broader sales engagement platform or suite that supports the entire cold calling workflow. These platforms often include a dialer plus features like lead list management, call scripting, voicemail drop, call recording, CRM integration, analytics dashboards, and sometimes even email or LinkedIn integration. In other words, cold calling software is an all-in-one solution to plan, execute, and track your calling campaigns.
  
• A dialer specifically refers to the dialing technology that automates phone calls. Dialers can be standalone – for example, a power dialer tool that you plug into your CRM – or built into larger sales platforms. The dialer’s job is primarily to place calls efficiently (often multiple calls in parallel) and route them to reps.
  

Think of cold calling software as the entire toolbox and the dialer as the power drill inside. Some companies opt for a standalone dialer integrated with their existing CRM, while others use a full cold calling platform that includes dialing along with coaching and multichannel features. If your priority is sheer calling volume, a dedicated dialer may suffice, whereas an all-in-one platform offers coaching intelligence and workflow integration beyond just dialing (4). 

Our sales experts and lead generation specialists advise: “Match tools to use case – choose dialers for volume, intelligence platforms for coaching, and integrated stacks for end-to-end outbound workflows.” (4)

In summary, cold calling dialers are the heartbeat of any cold calling software, but the software around it provides the brains and context. As you evaluate solutions, be clear whether you need just a dialer or a more comprehensive sales engagement system to support your team’s outreach.

Types of Dialers for Cold Calling (Power vs. Predictive vs. Progressive)

Not all dialers work the same way. In fact, there are a few different dialing modes designed for varying needs. Understanding these dialer types is key to choosing the right tool for your B2B sales team. At a high level, dialers fall into manual or automatic categories. 

Manual dialing means a rep physically dials each number (time-consuming and prone to human error – not ideal for cold calling at scale). Modern sales teams rely on automatic dialers, which dial for the reps. Within automatic dialers, the most common types for cold calling are power, predictive, and progressive dialers (2). Let’s break down each:

• Power Dialer (aka Preview Dialer): This system calls one contact after the other only when a rep is ready. The rep typically gets a preview of the lead’s information before clicking to call, or the system dials sequentially but gives a short preview time. 

Power dialers automate the dialing of the next number as soon as you finish the last call, but always one call at a time per rep (2). This gives the agent control to review prospect details and personalize the approach before each call. 

Power dialers greatly speed up calling compared to manual dialing – no time wasted dialing or misdialing – but they don’t reach the volume of predictive dialers. They are ideal when you want quality conversations and personalization without losing too much efficiency. The downside is they are slower in terms of calls per hour than other auto-dial modes (2).

• Predictive Dialer: A predictive dialer automatically calls multiple numbers at once (for each rep) and uses algorithms to “predict” when a rep will be free to take the next call (2) (3). Essentially, it dials ahead of time and screens out no-answers, busy tones, and voicemails so that reps are fed a steady stream of live callers. 

Predictive dialers maximize agent talk time and are built for sheer volume – they’re commonly used in call centers that need to reach hundreds of sales leads per day (1) (2).

The trade-off: because the system is dialing many lines, prospects may hear a short pause before the rep speaks (as the dialer connects the call), and there’s a risk of dropped calls if no rep is free when someone answers. 

If raw speed and efficiency are top priority, predictive dialers are often considered the best dialer for cold calling (as one industry source notes, “a predictive dialer is the best dialer for cold calling… especially if speed and agent efficiency is the top priority.” (2)). Use predictive dialing for large-scale campaigns where reaching maximum prospects is more important than personalization on each call.

• Progressive Dialer: A progressive dialer is something of a middle ground. It automatically dials one contact at a time per rep (like a power dialer), but does so as soon as the agent is available, without requiring the rep to initiate the call. In other words, the system “pushes” the next call to the rep immediately when they finish the previous call (2). There’s no idle time between calls, and the agent doesn’t choose when to start dialing – the dialer handles it.

Progressive dialers ensure a smooth, continuous call flow but still only one call per rep at any moment (no parallel calls). Compared to predictive, progressive dialing results in fewer awkward silences or dropped calls, since it only calls when an agent is free and connects one-to-one. It gives a bit more control and often provides the rep the customer info as the call is being dialed. 

This is great for teams concerned about customer experience: prospects won’t be called unless an agent is ready, so you avoid prospects answering and hearing dead air. The trade-off is slightly lower volume than predictive. Progressive dialers are often used when maintaining call quality and agent preparedness is important, but you still want automation to minimize gaps (2) (for example, outreach to current customers or follow-ups where a personal touch matters).

To visualize the differences, here’s a quick comparison of these dialer types:

As you can see, each type has its strengths. Power dialers prioritize personalization and control, predictive dialers maximize efficiency, and progressive dialers balance the two. Many modern sales dialer tools offer both power and predictive modes (and allow admins to configure the pacing). There are also hybrid “parallel” dialers, which are essentially a form of multi-line power dialer: they dial a set number of lines (say 2–4) simultaneously for one rep, without the long pause of older predictive dialers (1). 

This can significantly boost connect rates while still keeping the rep in control once a call connects. Martal’s own parallel power dialer technology leverages this approach – dialing multiple numbers at once and immediately connecting the rep to a live prospect, which can yield 5x more conversations in an hour than manual dialing (4).

Bottom line: The best dialer type for your cold calling needs depends on your team size, call volume, and quality standards. Many B2B sales teams find a power dialer (or multi-line power dialer) gives the right mix of efficiency and personalization. 

If you’re running a large outbound call center, a predictive dialer might deliver the throughput you need. Often, sales leaders will start with a power or progressive mode to ensure quality, then scale up to predictive/parallel dialing as their team and lead list grow.

Key Features to Look For in the Best Cold Call Dialer

Choosing the best dialer for cold calling isn’t just about the dialing mode. You’ll want to evaluate a range of features and capabilities that can impact your team’s success. Here are the key factors and features B2B sales leaders should consider when evaluating cold calling dialers:

• CRM Integration and Automatic Call Logging: Your dialer should seamlessly integrate with your CRM (Customer Relationship Management) system or sales platform. This allows calls to be logged automatically to contact records, saving your reps the headache of manual data entry. 

For example, HubSpot’s sales dialer is known as one of the best for automatic call logging (7) – every call and note is instantly recorded in the CRM. Integration ensures that call outcomes (contacted, voicemail left, meeting booked, etc.) are tracked in real-time (3). It also enables features like click-to-dial from within the CRM and follow-up task creation. 

A dialer without strong CRM integration can leave you with data silos and incomplete activity records, hampering your ability to measure results.

• Local Presence Dialing: Ever notice a strange number and ignore the call? Prospects do the same. Local presence is a feature where the dialer automatically displays a local phone number (matching the prospect’s area code) when calling. 

By using numbers that appear local to your targets, you can significantly improve answer rates because the call looks familiar or nearby (6). 

The best sales dialers in 2025 offer robust local presence management – including rotating multiple numbers to avoid spam labeling and ensuring numbers are properly registered. This feature is crucial if you’re calling nationwide or internationally and want to avoid being flagged as spam likely. Some platforms even have caller ID reputation monitoring to alert you if your number gets marked as spam so you can swap it out.

• Voicemail Drop and Call Automation: Cold calling often means hitting voicemail. Voicemail drop lets your reps save time by instantly leaving a pre-recorded voicemail message with one click, rather than speaking the same message over and over. As soon as the system detects a voicemail box, it can play your recorded message and free the rep to move to the next call. This can save hours per week. 

Additionally, advanced dialers offer automated call sequencing – for example, the ability to set call cadences (attempt 1, attempt 2 after X days, etc.) and even tie into multi-channel workflows. While dialing itself is the core, these workflow automation features differentiate the best cold call dialers. They ensure no lead is left uncalled and reduce the manual tasks for your team.

• AI Capabilities and Live Call Coaching: In 2025, the best AI dialers are incorporating artificial intelligence to make your cold calling smarter. Look for features like voicemail detection, which uses AI to instantly detect if a call reached a human or machine and can hang up or drop a voicemail accordingly (saving reps from talking into the void). 

Real-time call coaching or “conversation intelligence” is another game-changer – some dialers can analyze calls as they happen, prompting reps with suggested replies or helping managers monitor live calls for training. For instance, AI dialers often include built-in coaching features that shorten new reps’ ramp-up time (6). 

They might analyze a rep’s talk-listen ratio, detect keywords (like a competitor mention or a pricing question), and pop up tips or relevant content on the rep’s screen. AI can also help predict the best times to call each prospect by analyzing past connection rates (4), ensuring your team calls when prospects are most likely to pick up. These intelligent features can dramatically improve connect rates and call effectiveness. 

Sales teams using AI cold calling tools, including capabilities like Martal’s AI parallel dialing and AI-assisted objection handling, report generating 50% more sales ready leads and connecting with 60% more qualified prospects than with manual dialing (9). If you want a cutting-edge solution, prioritize dialers with strong AI and machine learning features.

• Reporting, Analytics and Outbound Call Tracking: Data is king in modern sales. Your dialer should provide rich analytics on call activity and outcomes. Key metrics include dials per hour, live connect rate, average call duration, calls per account/rep, call outcome distributions (voicemail vs. conversation vs. no answer), and conversion rates (meetings or sales from calls). 

The dialer should capture both the quantity of calls and the quality (e.g., was a meeting booked?). Integrated outbound call tracking software features are especially valuable for B2B companies – they allow you to attribute leads or deals back to specific calls or campaigns (3). 

For example, a sales manager might track which cold calls led to scheduled demos, or compare performance between two call scripts. Real-time dashboards and customizable reports help you spot coaching opportunities and optimize campaigns. Without good reporting, you’re flying blind. Ensure the dialer either has its own robust analytics or feeds data into your BI/CRM reporting.

• Compliance Tools (DNC, Calling Hours, etc.): Cold calling is effective but must be done legally and professionally. Top dialers include built-in compliance features to keep you on the right side of regulations. At minimum, the system should support scrubbing against the National Do Not Call (DNC) list and your internal DNC list, so you don’t accidentally dial restricted numbers (4). 

Many dialers let you automatically block calling to certain area codes or time zones outside permitted hours (for example, not calling prospects before 8am or after 9pm in their local time) (4). 

If you use prerecorded voicemails or AI voices, ensure the platform requires prior express consent in compliance with laws like the U.S. Telephone Consumer Protection Act (TCPA) (4). 

The best dialers will also help with call recording consent where required and provide features like automatic abandonment messages if using predictive dialing (to meet FTC rules) (4). Compliance isn’t just about avoiding fines – it builds trust. 

Showing that you respect opt-outs and legal boundaries can actually increase prospect trust during outreach. So choose a dialer that makes compliance easy, with features to automatically honor “do not call” flags and document your adherence to telemarketing laws.

• Scalability and Reliability: Any dialer you pick should align with your current needs and future growth. Consider whether the dialer can scale up to more reps, higher call volumes, or additional phone lines if your team grows. Cloud-based dialers (Dialer-as-a-Service) are usually easy to scale – you can add users or minutes without hefty new hardware. Check the provider’s call capacity and uptime stats. 

You want a dialer with high reliability (no one wants outages when your team is in the middle of call blitz). Also evaluate call quality – does the provider offer high-definition voice, minimal latency, and global coverage if you need international calls? 

Read reviews or test the dialer to ensure calls are clear and connections stable. A “best dialer” for cold calling isn’t worth much if it drops calls or crashes in peak hours. Outbound call tracking software is only as good as the calls being tracked, so reliability is key to maintaining a smooth operation.

• User Experience and Support: Finally, don’t overlook ease of use and vendor support. Your sales reps should find the dialer interface intuitive – from uploading call lists to navigating the call controls and logging outcomes. A short learning curve means your team hits the ground running with minimal training. 

Many popular cold call dialers (like PhoneBurner and others) are praised for being intuitive and easy to set up, which reduces friction for adoption. Also, consider the level of customer support and onboarding the vendor provides. B2B sales leaders often appreciate having responsive support to troubleshoot issues or provide best practices. Given that cold calling is mission-critical, ensure the vendor offers timely support (and maybe a dedicated success manager if you’re a large account). Good training resources, documentation, and community forums are a bonus that can help your team fully leverage the dialer’s capabilities.

Pro tip: Make a features checklist based on the above and rank what matters most to your sales process. For example, if you already use a CRM heavily, tight integration and automatic logging might be top priority. 

If you have a small team but need to maximize their output, local presence and multi-line dialing could be critical. Knowing your must-haves will help you quickly narrow down which dialer software fits best.

Now that we’ve covered what to look for, let’s examine some of the best dialers for cold calling in 2025 and see how they stack up.

Best Dialers for Cold Calling in 2025: Top 7 Solutions for B2B Sales

There are dozens of dialer tools and sales engagement platforms out there, but only a select few stand out as top-tier options for B2B cold calling. Below, we highlight 7 of the best dialers for cold calling in 2025. These recommendations focus on solutions that can serve B2B sales teams and deliver high performance. 

Each of these dialers has unique strengths, so consider which aligns with your needs and the features we outlined above.

1. Martal Group – AI-Powered Cold Calling Platform & Service

At Martal, we combine cutting-edge AI technology with human expertise to deliver cold calling that actually works. We’re not just a dialer software, we’re a fully managed sales engagement platform powered by an experienced outbound team.

We’ve reimagined cold calling as a strategic part of a full omnichannel sales approach. Our experienced sales executives combine agentic AI, power dialers, and signal-driven prospecting to ensure every outreach is data-backed, ICP-focused, and results-driven.

Here’s how we make cold calling work for you:

• AI-Enhanced Sales Engagement – Our AI SDR Platform, leverages billions of public and private data points to design omnichannel campaigns perfectly aligned with your business profile.
  
• ICP Messaging Optimized in Real Time – Trained on over 40 million sales emails, our AI crafts messaging tailored to your ideal customer profile. Campaigns are continuously adjusted and optimized for maximum engagement based on real-time market feedback.
  
• Signal-Driven Prospecting – We build highly targeted lead lists using firmographic and technographic data along with 3,000+ buying intent signals, ensuring outreach is focused on prospects most likely to convert.
  
• Autodialer + Powerdialer – Our integrated dialing system maximizes connection rates by bypassing unanswered calls and connecting directly to decision-makers, reducing wasted effort and increasing live conversations.
  
• Proven Omnichannel Lead Generation Outreach – By coordinating cold calls with email and LinkedIn campaigns, we boost visibility, engagement, and conversions while avoiding channel fatigue. Each touchpoint reinforces the others to accelerate pipeline growth.
  

Our unique advantage in omnichannel sales 

Partnering with us means combining cutting-edge AI technology with expert human sales execution. By leveraging data, intent signals, and ICP-driven targeting, we ensure your outreach reaches the right prospects, at the right time, through the right channels.

• Dedicated SDR Team + AI Platform – Get a full-service outbound team that handles everything from lead research to outreach execution. Let us take the workload off your plate so your internal team can focus on closing deals. Start scaling your outbound today.
  
• Omnichannel, Coordinated Outreach – Cold calls are just one part of the mix. We integrate calls with email and LinkedIn campaigns to create a consistent, high-touch prospect experience. See how a multi-channel strategy can boost your engagement rates.
  
• Data-Driven & Targeted – Every campaign is informed by firmographics, technographics, and intent signals, ensuring outreach is focused on high-potential prospects. 

Why Martal is Great for B2B Cold Calling

We have a strong track record across 50+ industries as a top B2B lead generation agency (5). By leveraging our AI-powered dialer and omnichannel approach, we can fill your pipeline fast. In fact, clients have seen pipeline growth 4–7× faster than traditional methods and up to 80% cost reduction versus hiring in-house teams (4). 

Because our solution is fully managed, it’s perfect for sales leaders who lack the bandwidth or expertise to run large cold calling operations on their own (4). You also get strategic guidance and training through Martal Academy as part of the engagement, ensuring alignment with your sales goals.

Explore how our AI Cold Calling Software can boost your connect rates and streamline outreach.

Martal’s Dialer and Services at a Glance: 

• AI-Powered Cold Calling Platform: Our proprietary dialer features parallel dialing and real-time AI prompts, connecting reps immediately to live prospects for maximum efficiency.
• Signal-Driven, Outbound Prospecting: Each call is backed by intent signals and ICP targeting to ensure outreach is focused on high-quality leads, not random lists.
• Omnichannel Integration: Cold calls are synchronized with email and LinkedIn outreach, creating an orchestrated sequence that boosts engagement and meeting bookings.
• Award-Winning Expertise: Martal is recognized globally for its excellence in B2B cold calling, trusted by over 2,000 brands worldwide.

If you want to accelerate your sales pipeline with expert-led outbound calls, more live conversations, and booked meetings, see how our full-service Cold Calling Solutions make it effortless. 

2. Orum – Parallel Dialer with AI Conversation Intelligence

Orum is designed for high-volume outbound teams seeking speed and efficiency. Its standout feature is parallel dialing, allowing reps to call multiple prospects simultaneously, connecting with live answers almost instantly. This approach significantly boosts call volume and connect rates, though teams need careful lead management and bandwidth to handle the rapid influx of conversations.

Key Features:

• Parallel dialing (up to 10 lines)
• AI voice detection and voicemail drop
• Automated objection handling prompts
• Conversation analytics with “Pulse” and “AI Scorecards”
• CRM integrations (e.g., Salesforce)
  

Ideal For:
Large B2B or SaaS sales teams that prioritize maximizing calls per hour and maintaining conversation quality at scale.

3. PhoneBurner – Best Power Dialer Software for Sales Teams

PhoneBurner offers a reliable and straightforward power dialer, enabling reps to efficiently work through call lists. While it focuses on core dialing efficiency rather than advanced AI or predictive features, it’s highly effective for steady, consistent outreach.

Key Features:

• One-click power dialing and voicemail drop
• Built-in CRM or integrations with existing CRMs
• Automatic follow-up emails after calls
• Local caller ID and automatic time zone detection
• TCPA compliance, DNC filtering, and SOC 2 certification

Ideal For:
Small to mid-sized sales teams or SMBs that want a dependable, easy-to-use dialer with minimal setup and strong domestic call quality.

4. Salesloft – Sales Engagement Platform with Integrated Dialer

Salesloft combines a dialer with a multi-channel sales engagement platform, integrating calls, email, and social outreach into a single workflow. Its dialer emphasizes quality and integration rather than sheer call volume, which may limit high-speed dialing needs.

Key Features:

• Power dialing within multi-touch sequences
• Voicemail drop, call recording, and sentiment insights
• Live Call Studio for manager coaching
• AI-driven call analytics and CRM sync

Ideal For:
B2B teams running structured outbound cadences and multi-channel outreach who value integrated workflows and data tracking.

5. Dialpad – AI-Powered Cloud Phone System & Dialer

Dialpad is a cloud phone system with a built-in AI sales dialer. Its AI features, including live transcription and real-time coaching, provide on-call guidance, but its predictive dialing capabilities are limited compared to specialized parallel dialers.

Key Features:

• Power dialer and automatic call logging
• AI Voice Intelligence (transcription, sentiment, assist cards)
• Local presence and voicemail drop
• CRM integrations (Salesforce, HubSpot)
• Full VoIP phone system (call routing, SMS, video)

Ideal For:
Tech-forward sales teams or startups that want an all-in-one phone and dialer solution with AI-assisted calling.

6. Kixie – Multi-Line Power Dialer with Sales Automation

Kixie combines multi-line dialing with automation, connecting reps quickly while maintaining call personalization. While effective for volume, it supports fewer simultaneous lines than some high-speed parallel dialers.

Key Features:

• Multi-line PowerCall dialer (2–3 lines)
• SMS and voicemail drop from the same dashboard
• ConnectionBoost for automatic redials
• CRM integrations (HubSpot, Zoho, Pipedrive)
• Call analytics and coaching

Ideal For:
Small to mid-sized B2B teams seeking flexible dialing with automation, high connection rates, and CRM integration.

7. HubSpot Sales Hub Dialer – Best CRM with Integrated Dialer

HubSpot’s dialer is fully integrated with its CRM, offering convenience and automated call logging. It is best suited for moderate call volumes, as it doesn’t include predictive or parallel dialing for high-speed cold calling.

Key Features:

• Click-to-call directly from CRM
• Automatic logging and call recording
• Voicemail drop and local presence
• Integration with sequences and task automation
• Conversation intelligence for Enterprise users
  

Ideal For:
Teams already using HubSpot CRM who want an all-in-one solution for managing calls, emails, and follow-ups without adding a separate dialer.

These are just a handful of the best dialers for cold calling in 2025. Other notable mentions include tools like CloudTalk (AI voice features and integrations), Mojo Dialer (popular in real estate for triple-line dialing), and VanillaSoft (a sales CRM with a focus on progressive dialing). The ideal choice depends on your team’s size, goals, and how much of the sales process you want the software to handle.

Conclusion: Accelerate Your Cold Calling with the Right Dialer

Cold calling in B2B sales is evolving rapidly – from manual dialing and gut-driven timing to AI-assisted dialing and data-driven targeting. Choosing the best dialer for cold calling can make a night-and-day difference in your team’s results. 

The right dialer will empower your sales reps to spend more time talking to real prospects, ensure every call is logged and learnable, and keep your outreach compliant with regulations. Whether you opt for a nimble power dialer, a high-octane predictive dialer, or an all-in-one sales engagement platform, be sure it aligns with your goals and integrates with your sales process.

As a sales leader, you also don’t have to go it alone. Tools are important, but strategy and execution are key as well. That’s where Martal Group can help beyond just software. We combine an AI-powered parallel dialer with a proven omnichannel strategy and a team of experienced outbound SDRs to deliver fully managed cold calling campaigns. If you’re looking to supercharge your outbound results in 2025, it may be time to leverage both cutting-edge tech and expert talent.

Ready to boost your B2B cold calling success? We invite you to book a free consultation with Martal’s team. We’ll assess your current outreach approach and show how our AI-driven dialer platform and sales experts can fill your pipeline with qualified leads faster than ever. With the right dialer and approach in place, you can transform cold calling from a grind into a predictable revenue engine for your business.

Don’t let your competitors out-call or out-connect you. Equip your team with the best dialer for cold calling, stay adaptive with AI and data insights, and watch your B2B sales soar. Here’s to more conversations and more conversions in 2025! 🚀

References

1. Kixie
2. NiCE
3. Nextiva
4. Martal Blog – 2025 Guide to AI Cold Calling Software
5. Martal Cold Calling Services
6. Koncert
7. CRO Club
8. Forbes
9. HubSpot