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Placing hundreds of calls every day is a challenge that automated phone call software solves.
With options like Lindy’s versatile AI phone agents, Voicent’s configurable interface, and RingCentral’s enterprise-grade communications, read on to find the right tool for your business. Significant investments like these demand detailed analysis.
In this article, we’ll help you:
- Understand the auto calling software and its types
- Compare it with AI calling systems
- See how the tool works
- Compare 6 of the best automated calling software
- Dive into the legalities and compliance requirements
- Explore Lindy’s capabilities as an AI call automation tool
Let’s begin with a quick overview.
What is automated phone call software?
Automated calling software allows businesses to schedule and place calls without manual intervention.
Traditional phone call software will automatically dial the list of contacts you upload into the database, blast pre-recorded messages, or transfer the call to a live agent. They free up your agents from taking time to manually dial individual numbers.
In 2025, AI improves on these auto dialers. It adds the ability to dynamically route the calls to the best agent, provide necessary context about the caller, and the best tools even can make a call and hold conversations to gather info about your leads.
Let’s check out different automated calling systems.
Types of automated calling systems
You can categorize these systems into two kinds — auto dialer software and AI-powered voice assistants. Plus, there are varied types of auto dialers to consider. Let’s check out how they work now:
Auto dialer software
These software solutions do what their name suggests, dial numbers automatically for you. They fall into four categories based on how they automate calling.
Predictive dialers
Predictive dialers aim to maximize the agent's talk time by dialing numbers before the agent is available.
Using algorithms, the system predicts when the agent will be free and dials the next number in advance. It immediately connects to the free agent when someone answers, saving valuable time for high-volume outbound teams.
One of the biggest drawbacks of this dialer is if all agents are busy, the system will drop the call. It results in poor customer experience. It's a Telephone Consumer Protection Act (TCPA) compliance risk.
Power dialers
A power dialer dials the next number immediately when an agent is free — one call at a time per agent. The system doesn’t predict agent availability. It just moves fast.
These dialers are not ideal for large outbound campaigns. Speed and availability of agents is a limiting factor.
Progressive dialers
Progressive dialers strike a good balance between automation and control. They dial one number per available agent only when they’re ready.
There's no overlap, so you’ll have fewer dropped calls with these dialers. They are best suited for B2B sales, appointments, outbound support, and similar applications.
Preview dialers
Your agents can review the contact before dialing using CRM, contact history, and notes. These make much more sense for sensitive industries like healthcare.
These dialers are slow and aren’t truly automated. The agent still needs to press "Call" for it to start the interaction.
These dialers have proved their value over time. But there's a new, more advanced automated calling software to consider.
AI-powered voice assistants
AI-powered voice assistants, like Lindy, use Natural Language Processing (NLP), speech synthesis, and Large Language Models (LLMs) to have human-like conversations.
They can:
- Be used for inbound and outbound calls
- Understand language
- Ask and answer questions
- Use logic to persuade and solve problems
- Record information
- Take actions like book a meeting, send text messages, email links, and more
AI calling systems vs auto dialers
AI calling systems can do so much more than the auto dialers.
While auto dialers can pull up the contacts and dial them extremely quickly, they still need a human with a near-perfect script to take over the conversation.
AI calling systems are like skilled receptionists working 24/7 for you. They can gather info about leads, speak multiple languages, ask and answer questions (with info shared in a knowledge base), and they’re always available.
Here’s what comparing the two looks like:
Now that we know the differences between a traditional dialer and an AI voice agent like Lindy, let’s see how they work.
How does automated calling software work?
Now, let’s cover how automated phone call software works. Here’s how you set up your calling software:
1. Upload or sync contact list
The team member uploads a contact list or connects to a CRM like HubSpot or Salesforce.
The details include phone numbers, names, time zones, preferences, and other notes. The agent can segment the lists by campaign — reminders, lead follow-up, and more.
2. Configure call campaign
The user sets up the campaign rules:
- What type of dialer to use (predictive, power, etc.)
- Call time windows
- Retry rules (how many times to call back, when)
Some platforms also support:
- Voicemail drop (pre-recorded message if call not answered)
- Caller ID masking
- DNC (Do Not Call) list management
3. Set the call script or message
Upload a pre-recorded audio message for voice broadcasting or voicemail drop. For live calls, create a script that agents will follow or that the IVR will use.
It may include menu options — press 1 for sales, 2 for support, and so on. The agents will train themselves on these scripts.
4. Launch the campaign
The system starts dialing numbers based on the selected strategy — predictive, power, progressive, or preview dialing.
When the person answers the call, it either:
- Plays a message (automated)
- Connects them to a live agent
You can configure it to auto-skip voicemails, busy signals, and invalid numbers. If the contact doesn’t answer, you can ask the tool to leave voicemails.
5. Real-time monitoring & analytics
Managers or users can:
- View how many calls are being made
- Listen in or whisper to agents (if live)
- See answer rates, drop rates, conversion stats
Why is it important?
The software creates detailed reports on average talk time, wait time, and call outcomes, and that helps organizations optimize future campaigns.
6. Follow-ups & callbacks
The tool retries the unanswered calls based on set rules. For example, if a contact doesn’t answer, try again after 2 hours. It’ll flag the contact for manual follow-up too.
If the call is successful, the tool will trigger action — emails, SMS, or tasks for agents.
The 6 best automated phone call software: TL;DR
- Lindy: Best AI-powered phone software for custom calling workflows
- Voicent: Best auto dialer for on-premise deployments and customizability
- JustCall: Best auto dialer for sales teams with built-in CRM & multi-channel support
- RingCentral: Best auto dialer for large enterprises needing unified communications
- PhoneBurner: Best power dialer for high-volume, TCPA-compliant sales outreach
- Convoso: Best predictive dialer for aggressive outbound call center scaling
That’s the brief about the tools we’ll cover later. Next, we’ll tell you how we narrowed down on these 6 tools.
How we chose the best automated calling software
We researched and understood each of them and checked if they fit our selection criteria for this round-up.
AI-powered call automation
We prioritized platforms that go beyond auto-dialing and embrace AI-driven calling — either through advanced workflows, voice intelligence, or full conversation automation.
- Lindy can hold two-way conversations in multiple languages, book meetings, and follow up via SMS/email.
- JustCall and Convoso include light AI capabilities — AI scoring and smart routing — but still require human agents.
- PhoneBurner, Voicent, and RingCentral rely on human interaction post-dial — no real AI conversation happening.
Compliance & legal considerations
Auto-dialing without considering TCPA, GDPR, or Do Not Call (DNC) regulations is a recipe for lawsuits and fines. Tools that build in compliance protections earned top marks.
- PhoneBurner is TCPA-safe by design, avoiding predictive dialing entirely.
- Lindy doesn’t use random/sequential dialing and supports opt-in list uploads, staying on the safe side of TCPA.
- Convoso shines with auto-pacing, DNC list suppression, and consent-based call logic.
- JustCall supports opt-out flows and call recording disclosures.
- Voicent and RingCentral include DNC tools but require users to manage compliance closely.
CRM & workflow integration
Your existing CRM or workflow should plug seamlessly into the automated calling tool to keep sales and support teams efficient.
- JustCall has excellent integrations with CRMs like HubSpot, Salesforce, Pipedrive, and Zoho.
- Lindy can integrate with CRM systems via APIs and webhooks — and take real action (e.g., logging notes, updating lead stages, booking meetings).
- PhoneBurner comes with a built-in lightweight CRM or can connect with external ones.
- Voicent supports integration with Salesforce and Outlook through their developer toolkit.
- Convoso and RingCentral both integrate with enterprise-grade CRMs and call center platforms.
Scalability
Whether you’re a startup or scaling to thousands of calls per day, the dialer should grow with you.
- Convoso is purpose-built for high-volume outbound call centers, with predictive dialers and lead list automation.
- Lindy scales by spinning up unlimited AI agents, not hiring more humans — a game-changer for lean teams.
- PhoneBurner supports up to 300+ calls per rep per day.
- JustCall is suitable for small to mid-sized teams, with multi-user support.
- RingCentral works best in large enterprise or contact center environments with global operations.
- Voicent scales well for technically managed teams but may require infrastructure support.
Other features we considered:
- Multi-language support
- Auto scheduling & call tracking
- Analytics & reporting tools
- Pricing & affordability
- User-friendly interface
All 6 tools provide the most balanced and seamless experience on these fronts when compared to all the other offerings.
The 6 best automated phone call software for 2025
1. Lindy
Features
Lindy offers AI-powered voice agents capable of handling both outbound and inbound calls without any human intervention.
Lindy understands natural language and can have real-time two-way conversations in 30+ languages. It can send SMS and email follow-ups, and integrate with CRMs. It also has a no-code visual workflow builder that lets you easily customize a formidable AI voice assistant.
You can create multiple AI assistants for lead qualification, customer support, appointment setting, and more.
Ideal users
Growing startups, B2B SaaS teams, support-heavy businesses, or any company looking to replace or supplement human phone agents with intelligent automation can take advantage of Lindy.
Pricing
The Pro Plan starts at $49.99/month, which includes the complete suite of Lindy automations (up to 5000 tasks) and basic phone call features. You can buy new phone numbers at $10/month, and the calling charges depend on the country you’re operating in.
Verdict
Lindy is the top pick for businesses ready to move beyond traditional auto dialers. It's a fully conversational AI assistant, with 24/7 availability and the ability to scale.
2. Voicent
Features
Voicent provides downloadable on-premise or cloud-based auto dialer software. It includes predictive, power, and preview dialing, voice broadcasting, and appointment reminders. For developers, it has API access, and can easily integrate with CRMs like Salesforce.
It’s a highly configurable tool with a focus on technical customization.
Ideal users
It’s for enterprises or technical teams looking for full control over their auto-dialer setup, including offline/on-premise options. It’ll suit organizations with in-house IT or custom telephony needs.
Pricing
Voicent starts at $19/month per line, with additional license fees depending on the modules used — voice broadcast, CRM, IVR, etc.
Verdict
This tool is a solid, flexible option for technical users who want complete control. The only drawback is it lacks AI, multilingual support, or cloud-first scalability.
3. JustCall
Features
JustCall is a cloud-based VoIP and auto-dialer platform built for sales and support teams. It comes equipped with a power dialer, call recording, call scoring, AI conversation intelligence, CRM integrations (HubSpot, Salesforce, Pipedrive), SMS automation, and call tracking.
Ideal users
For small to mid-sized sales teams, remote sales reps, and B2B customer support teams that need calling, SMS, and CRM integration in a single, easy-to-use tool, JustCall works.
Pricing
JustCall starts at $29/user/month and has plans that scale based on features like AI coaching, analytics, and integrations.
Verdict
JustCall strikes a good balance between functionality and simplicity. It’s great for scaling sales teams, but still requires human agents to drive every call.
4. RingCentral
Features
With capabilities like auto dialing, call queues, IVR, voicemail drop, analytics, call routing, and integrations with Salesforce, Microsoft 365, and more, it’s built for enterprise-grade communication needs.
Ideal users
Mid-sized to large enterprises running blended call centers (inbound and outbound) with layered communications across voice, messaging, and video will find this tool valuable.
Pricing
Their prices vary based on user volume, features, and the plan you choose. They typically range from $30 to $45/user/month.
Verdict
RingCentral is a great fit for enterprises looking to unify communication channels. Its dialer features are solid, but it can’t compete with AI-first tools like Lindy in automation or flexibility.
5. Convoso
Features
Convoso specializes in predictive dialing for high-volume outbound teams. Smart call routing, lead list management, real-time dashboards, TCPA-compliant pacing, agent productivity tools, and custom scripting are some of the standard features.
It's focused on speed and scale.
Ideal users
Call centers, political campaigns, or sales ops teams managing high volumes of outbound calls who need performance visibility and smart pacing are its ideal users.
Pricing
The pricing depends on usage and agent seats and is tailored to high-volume call centers. You need to contact their team to know the pricing.
Verdict
Convoso can handle serious outbound calling. It’s extremely effective in maximizing connect rates but still relies on human agents, and that may not be ideal for teams looking to cut labor costs or boost automation.
6. PhoneBurner
Features
It’s a powerful auto dialer designed to help sales reps make 300+ calls/day. It has a power dialer, voicemail drop, CRM, call recording, lead prioritization, call disposition tracking, and TCPA-safe dialing. The UI is simple and geared toward reps making high-volume calls.
Ideal Users
Sales reps, real estate agents, recruiters, and small businesses looking to scale outbound calling without the risks of a predictive dialer.
Pricing
Standard plan starts at $165/user/month and goes up to $215/user/month for the premium plan. There are no per-minute fees. It includes unlimited calling and access to all core features.
Verdict
It’s a solid choice for power dialing without the hassle of dropped calls or compliance issues. But you’ll still need human agents to carry the conversation — no AI or automation.
How does AI improve automated calling?
AI makes automated calling faster and more targeted. Instead of just dialing numbers in bulk, AI-powered systems can prioritize higher-intent leads, personalize call scripts using CRM data, and even adjust the timing of calls based on past engagement patterns.
For example, an AI dialer can route warm leads to your top-performing reps or auto-send a follow-up SMS if a call goes unanswered. It can also analyze previous call outcomes to suggest better call times or script variations that improve conversion.
Unlike traditional auto-dialers, which rely heavily on manual inputs and agent availability, AI agents can handle repetitive tasks autonomously.
With Lindy, you can deploy AI agents that make calls based on your CRM, answer basic queries, capture responses, and update your systems — all without involving a human rep unless needed. Humans are still part of the loop for more complex workflows, but AI helps scale your calling efforts without hiring and onboarding at the same pace.
So instead of building a 20-person call team for outreach, you can launch an AI agent to pre-qualify leads and pass the warm ones to your small sales team. Or use it to call existing customers and collect feedback, update contact records, or schedule appointments.
What can you use call automation software for?
Phone call software solutions like Lindy are flexible and capable and can help your business in many ways.
They can be excellent for:
- Marketing campaigns
- Sales and lead nurturing
- Training and on-call support
- Appointment reminders
- Surveys
- Feedback and suggestions
The ability to create unique workflows for different applications makes automated AI voice agents an asset. With such power, there’s always a question of their legality.
Is using an auto dialer legal?
Yes, but only if you comply with the regulations. The Telephone Consumer Protection Act (TCPA), a federal law enacted to protect consumers from spammy, unwanted calls and robocalls, governs the legality of the auto-dialing software.
What is TCPA?
The Telephone Consumer Protection Act (TCPA) sets rules for how businesses can contact consumers via phone, SMS, and fax. It applies to:
- Robocalls
- Auto-dialed calls
- Pre-recorded messages
- Text messages sent by automated systems
The Federal Communications Commission (FCC) enforces TCPA compliance.
TCPA restrictions you need to know
Important definitions:
- Express consent: Verbal or written permission
- Express written consent: Signed agreement (can be electronic) that includes clear opt-in language
GDPR & privacy laws
If you're contacting EU-based leads, the General Data Protection Regulation (GDPR) applies. It classifies phone numbers as personal data, meaning outbound calls (especially automated ones) must follow strict rules.
To stay compliant, you need a lawful basis for calling — typically explicit opt-in consent for marketing calls, or legitimate interest for transactional ones, like appointment reminders. Consent must be freely given, clearly documented, and easy to revoke.
You need to:
- Be transparent about how you use contact data
- Limit data collection to what's necessary
- Provide opt-out options on every call
- Securely store call logs and personal data
- Respect user rights (access, correction, deletion)
Users can request human intervention if your system automates decisions like eligibility or scoring.
Fines for non-compliance can reach €20 million or 4% of global revenue — so it’s essential to use GDPR-aware tools and processes.
To stay compliant with TCPA, let’s look at the best practices.
Best practices to stay TCPA compliant
We’ve listed 8 best practices that help you comply with TCPA norms. Here’s what you should do:
1. Always Get Consent (Opt-In)
- Use clear opt-in forms with language.
- Keep records of the consent for legal protection.
2. Respect Opt-Outs
- Give users an option to opt-out when they choose to.
- Remove unsubscribed contacts from future campaigns immediately.
3. Avoid Random or Sequential Dialing
- Ensure your system pulls from CRM data or uploaded lists, not number generators.
4. Be Transparent
- Identify your business at the start of the call.
- Provide a callback number and the reason for the call.
5. Time Your Calls
- Only call between 8 AM and 9 PM (local time) for the recipient.
- Don’t call repeatedly — limit retries per day.
6. Use AI to Personalize Calls
- TCPA doesn’t regulate the tone of the call, but robotic-sounding pre-recorded messages increase complaints.
- Using AI voice assistants (like Lindy) that respond naturally can reduce hangups, increase engagement, and sound more human.
7. Scrub Against the National DNC List
- Use software that integrates Do Not Call list suppression before launching campaigns.
8. Label Informational vs. Marketing
- Marketing calls require stricter consent than purely transactional ones, for example, delivery updates, and appointment reminders.
AI voice assistants offer clear advantages over traditional auto dialers. So, let’s see how you can set up and use Lindy as your phone call software.
How to get started with Lindy AI’s automated calling system
Lindy is customizable with no-code, drag-and-drop workflows, which makes it easy to set up and work with. Lindy has a Phone Calling Guide to refer to if you're stuck. Here’s a step-by-step process to set up your own AI phone agent:
Step 1: Sign up & set up workflows
You get a 7-day free trial with 400 credits (up to 400 tasks) as soon as you sign up. Complex tasks require more than one credit. You need not enter any credit card details to explore the free trial.
You can start with the pre-made template for phone calling and customize it to match your business needs. Or you could create your own automated phone calling workflow from scratch.
Step 2: Purchase a dedicated phone number (optional)
Lindy gives you basic phone call features (up to 30 calls a month) with the Pro Plan and unlimited phone calling with the Business plan (recommended). You can purchase numbers at $10/month/number without requiring an API or third-party app to make them work. You’ll also pay per minute at a rate based on your country.
Not only that, but you can make international calls with support for more than 100 countries and 30+ languages. The call charges depend on your AI model, the country you’re calling from, and the talk time.
Step 3: Upload your knowledge base
All you do is put your knowledge into a document (your knowledge base), like your FAQs. Prompt Lindy to go through the document and answer the questions accurately. The better knowledge it has, the better it’ll answer the questions raised by the person on the other side.
That’s it. This is a huge benefit over auto dialers as you need to train the staff extensively. You can even personalize the AI agents with custom prompts that suit your niche. The LLM can also understand more so even if an answer isn’t 100% covered in your knowledge base, the AI can add more context naturally.
Step 4: Launch calls & track analytics
After you set the workflow, thoroughly test the AI agent. Check if it performs optimally. Then, integrate it with your CRMs, email, internal communication channels, and launch calls.
Lindy can be set up to record and analyze the data gathered in each call. Your team can then use those insights to improve your operations further.
Try Lindy: Your new automated calling system — and way more
Lindy removes some of the limitations of typical automated phone call software. Its conversational AI is engineered for adaptability, combining efficient support with deep understanding.
Here's how Lindy goes the extra mile:
- Instant response: Lindy doesn’t need to wait for agents to end a call to answer the next one. It can handle concurrent calls with ease, provide lightning-fast resolutions, and boost satisfaction.
- Always-on: Lindy is available 24/7, ensuring incoming calls never face frustrating delays.
- Conquering language barriers: With fluency in over 30 languages, Lindy expands your reach and opens new markets.
- Plays well with others: Lindy natively integrates with many popular business tools (like Stripe and Gmail) for optimized workflows and maximum efficiency.
- Scales to meet your needs: You can quickly add new Lindy agents to handle large volumes of calls. They can team up to tackle the most demanding scenarios.
- Much more than just an AI phone call agent: There’s a huge variety of Lindy functions, from content creation to coding. Check out the top Lindy use cases.
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