Sales and service are two important parts of a business. If those aren’t satisfactory, it can impact sales, growth, and the overall reputation of your brand. An AI voice agent takes away some of this burden by handling calls with human-like conversations. This blog talks about these agents work, their natural language abilities, multilingual support, and key business benefits. When you read further, you’ll also learn how to build your own AI agent and discover the top AI voice tools for 2025. Plus, see why Spyne’s AI-powered solutions are the perfect fit for dealerships.
What is an AI Voice Agent?
An AI voice agent is like a smart phone assistant for your business. This agent listens to a conversation when someone calls, understands what they’re saying, and replies with the right answer. They replicate real people with their answers and tone so that customers feel like they’re chatting with an actual employee. It can talk to customers, answer questions, set up meetings, and even help with sales. Additionally, AI has no limit, so it never gets tired, never forgets what to say, and is always polite.
Many businesses now use voice agents to help with support and sales. These voice AI agents help you handle basic customer calls, transfer them to the correct team, and even follow up with potential customers after a call. So, no matter what the size of your company or team is, an AI phone agent saves time and makes sure no customer is left waiting. It’s like adding a full-time helper to your team, without needing to hire more people.
5 Steps to Build an AI Voice Agent for Your Company
To build an AI voice agent for your business, you need to decide what it should do, pick the right tool, and make sure it works well with your current systems. It’s easier than it sounds.
1. Decide What Your Voice Agent Should Do
The first step is to think about the tasks you want the voice agent to look after. This will help boost productivity and speed up your response times.
- Should it answer calls all the time or just help after hours?
- Do you want to book meetings or send updates?
- Will it help sales or just handle support?
2. Pick the Right Platform
You need to decide what’s best for your business. So, you should choose between a pre-programmed AI voice agent service or a tool that lets you build your workflow according to your needs.
- Quick setup with easy-to-use and one-click sync options.
- More control with custom solutions.
- Make sure it fits your business size and needs.
3. Set Up Responses and Rules
Teach your voice AI agent how to reply to common questions. It should interact with your customers as a human would.
- Add answers to FAQs.
- Create steps for scheduling and lead follow-ups.
- Set rules for sending calls to real call agents.
4. Integrate it with Your Existing Tools
Your AI call agent should work with your CRM and phone system. You should be able to transfer data easily without any interruptions or double-entry.
- Link it with tools like Spyne.
- Log calls and messages.
- Automate things like follow-ups and updates.
5. Test and Improve Regularly
Once your call agent is live, make sure to keep checking how it works so you know where to improve. Additionally, you can even ask for customer feedback and check their response rates.
- Listen to call samples and use them for training purposes, too.
- Ask your team and customers for feedback.
- Continue to improve how your voice AI agent speaks and assists.
How an AI Voice Agent Sounds Human and Speaks Naturally
How do you know an AI voice agent is good for you? Well, it wouldn’t just answer calls, it would interact with customers like a real person and understand different ways people talk. It can hold natural conversations and even switch between languages. Here’s how it works.
1. Understands the Real Meaning Behind Words
Instead of reacting to standard and pre-set phrases, a voice agent understands what people actually mean and responds to them in the same tone.
- “Can I check my bill?”
- “I have a question about charges.”
- “Need help with my last invoice.”
These example phrases all mean the same thing, and the voice AI agent understands the intent.
2. Talks in a Natural, Friendly Way
A smart AI phone agent doesn’t sound robotic. You wouldn’t even know you’re talking to a robot as it pauses naturally, changes tone, and even adds small expressions to show relatability.
- “Let me check that for you.”
- “Your order was shipped yesterday. Want the tracking number?”
This keeps callers engaged, builds trust, and takes away the impersonal feeling.
3. Handles Interruptions and Changes Smoothly
Real conversations aren’t perfect. They don’t follow a set script, so there are bound to be some hurdles along the way. A good AI caller can adjust mid-way.
- “Wait. Can you check my order first? The tracking link isn’t opening.”
- “Sure! It was shipped yesterday. Would you still want to update your address like you said earlier?”
4. Understands Different Languages and Accents
Whether someone speaks fast, slow, or with an accent, a voice AI agent can follow along.
- Recognizes common phrases in multiple languages.
- Adjusts tone and pace.
- Makes AI voice calls smoother for everyone.
5. Remembers the Flow of the Chat
A good voiceagent remembers what was said earlier and keeps it going from there without any interruptions or reminders.
- “How old is he?” (Refers to the last person who was talked about in the conversation).
- “Book a table at The Ivy for two at 7 PM.”
It understands the place, time, and number of guests, just like a real call agent would.
How an AI Voice Agent Has Multilingual Abilities
AI voice agents can understand many languages by learning how people talk. They listen, adjust, and reply naturally, no matter the accent, tone, or where someone is calling from.
1. Detects and Responds in Any Language
There’s no need for callers to choose a language from a menu. A smart voice AI agent listens and replies in the same language, right from the start.
- No language menu: Simply start talking, and it automatically picks up the language you’re speaking in.
- Switch mid-call: It adapts if someone changes languages.
- Real flow: Keeps things natural without confusion.
2. Understands Accents and Local Terms
The AI voice agent service has the ability to translate and understand how people really speak in different regions. This means it has dialect knowledge and knows the local slang people use, too.
- Gets slang, local words, and casual talk.
- Handles both U.K. and U.S. English differences.
- Makes the AI voice call feel natural.
3. Helps Businesses Go Global
With a voice AI agency, you don’t need to hire agents for every language. One tool can handle it all and still ensure you reach multiple audiences.
- Talk to more customers without new hires.
- Work across time zones with one setup.
- Offer 24/7 support with AI phone agents.
4. Acts Like a Live Translator
Even if your team only speaks English, AI voice sales agents can speak to anyone. An AI call bot doesn’t have any language limitations, and it definitely doesn’t let miscommunication come between a good sales opportunity.
- Speaks on both sides of the conversation.
- Keeps both the caller and the team on the same page.
- Helps teams expand fast using voice agents AI.
5. Saves Time and Money
With tools like an AI voice agent free trial or low-cost options, even small businesses can get started.
- Many of the best AI voice agents offer flexible plans.
- No need to hire language experts.
- Transparent AI voice agent pricing keeps it budget-friendly.
6 Key Ways Businesses Can Use an AI Voice Agent
AI voice agents help businesses by handling customer service tasks, making work easier, and offering support all day and night, so teams can focus on what really matters.
1. Faster Customer Support
Voice AI agents quickly answer common questions, reducing wait times. They solve simple issues and pass tough calls to real call agents when they aren’t able to handle more complex issues.
2. Boosting Sales Efficiency
With AI calling, agents make outbound calls, qualify leads, and schedule callbacks from one dashboard. This lets sales teams focus on serious prospects.
3. Easy Appointment Scheduling
An agent voice books and manages appointments, sends confirmations, and reduces cancellations by sending regular reminders based on recent customer activity.
4. Faster Order Processing
Voice agents AI take orders, provide tracking updates, and process refunds. Additionally, this is usually done within minutes, so customers don’t wait, get updates fast, and are satisfied.
5. 24/7 Availability to Solve Queries and Answer Questions
AI phone agents provide support anytime, handling many calls while freeing real agents for complex tasks. They also take over after normal business hours, so customers can get answers whenever they need.
6. Better Business Insights
AI voice call tools can help track and analyze calls. This helps businesses improve service and sales efforts.
6 Reasons Why You Should Invest in an AI Voice Agent for Your Business
Investing in AI voice agents can save your business time and money. They help your team work smarter, cut costs, and give customers a better, faster experience every time they call.
1. Problem: Missed Calls Cost Valuable Sales
Customers expect help at any time, but missing calls means losing potential leads.
The Solution:
AI phone agents don’t stop after hours, so they can answer calls instantly 24/7, so no opportunity slips away.
2. Problem: Long Wait Times Frustrate Customers
Nobody likes waiting on hold and then never being answered. Slow responses hurt your reputation.
The Solution:
Voice agents AI handle simple questions immediately, reducing hold times and keeping callers happy.
3. Problem: Human Agents Get Stuck on the Basics
Repetitive questions waste your team’s time and energy, so why can’t they be automated?
The Solution:
With AI calling, your call agents focus on important tasks while the agent voice handles routine calls.
4. Problem: Growing Businesses Struggle to Keep Up with Calls
Hiring more staff is costly, slow, and the additional employees can cause strain on your company’s resources.
The Solution:
AI call agents handle unlimited calls at once, scaling support without extra hires.
5. Problem: Customer Service Can Be Inconsistent
People have good days and bad days, so your agents might not be able to give their best every day. Customers notice this.
The Solution:
An AI voice call interacts with customers in a polite, accurate, and consistent manner, regardless of the time of day.
6. Problem: Businesses Miss Valuable Insights
Without good data, your success depends on guessing, and that’s not good for your long-term reputation and brand visibility.
The Solution:
Voice phone agents track and analyze calls, helping you understand customers and improve sales.
6 Best Practices of an AI Voice Agent for Your Business in 2025
To get the most out of your AI voice agent, it’s important to keep things simple, personal, and secure. These best practices help your system run smoothly and keep customers happy.
1. Design Natural, Human-Like Conversations
Even though they’re talking to a chatbot, customers want to feel like they’re talking to a helpful assistant, not a robotic system. So, make conversations feel smooth and easy.
- Use clear, simple language that matches how people really speak.
- Allow the system to remember details throughout the call.
- Avoid forcing yes/no answers; keep responses flexible.
2. Design Your Call Flows for Efficiency and Convenience
A well-designed call flow helps customers find answers quickly and efficiently, without confusion. This way, they spend less time searching for answers and more time on your products and services.
- Keep responses short and to the point.
- Let customers switch topics without restarting the call.
- Route complex calls to a human only when needed.
3. Provide Easy Access to Human Help
Sometimes a real person is needed, so transfers to human agents should be quick and simple. Customers should not be kept waiting, and the selected employee should already have a background check on the customer’s issue.
- Offer instant transfer options for urgent questions.
- Detect frustration and escalate automatically.
- Share call history to avoid repeating information.
4. Personalize Calls with CRM Integration
Integration with CRM systems helps employees remember returning customers and their details for a better experience. Additionally, customers feel seen and that their queries are valid.
- Greet customers by name and recall past interactions.
- Access order history or tickets instantly.
- Save call notes for human agents to review later.
5. Keep Security and Compliance Top Priority
Security should be your business’s top priority. You shouldn’t do anything that compromises the safety of customer information. Protect customer data to build trust and comply with legal requirements.
- Follow privacy regulations like GDPR and HIPAA.
- Use voice or two-factor authentication for safety.
- Encrypt recordings and restrict data access.
6. Regularly Update and Improve Your System
Keep your voice agent up to date and sharp with fresh information and user feedback.
- Add new answers and update scripts often.
- Collect user feedback to spot issues.
- Monitor performance to make improvements.
10 Best AI Voice Agents to Boost Your Customer Service in 2025
AI voice agents boost customer service with natural calls, lead qualification, appointment booking, and CRM sync. This list talks about top providers like Spyne for the automotive sector, Retell AI for support teams, and Lindy for enterprises.
1. Spyne
Spyne’s AI voice agent helps used car dealers handle inbound and outbound calls, qualify leads, book appointments, and sync everything with CRMs. It’s part of a full voice AI agent suite for car sales.
Key Features:
- CRM sync for fast follow-ups.
- Auto lead follow-up with AI customer insights.
- Instant appointment booking.
- 24/7 customer interactions and call recording with conversational AI.
- Customer sentiment analysis.
- Real-time dashboard and analytics.
Pros:
- Purpose-built for dealerships.
- Automates sales and service calls.
- Syncs with inventory in real time.
- Reduces wait times.
- Integrates with existing workflows.
- Excellent onboarding and support.
Cons:
- Limited to the automotive industry.
Pricing: Spyne offers customizable, flexible, and budget-friendly plans for all dealership sizes. Free trial available.
2. Lindy
Lindy is a flexible voiceagent that takes or makes calls, summarizes conversations, and syncs with Slack or CRMs.
Key Features:
- Natural voice during calls.
- Integrated Slack alerts.
- Call summaries.
Pros:
- Easy drag-and-drop setup.
- Sounds human on calls.
- Can update data during a call.
Cons:
- No free calling on the free plan.
Pricing: Starts free, paid plans from $49.99/month.
3. Vapi
Vapi is a fast AI calling tool made for developers in the industry. It lets you build your own AI phone agent using APIs and plug-in models.
Key Features:
- API-first setup.
- Real-time call handling.
- Model flexibility.
Pros:
- Handles millions of concurrent calls.
- Plug in your own tools.
- Lightning fast response.
Cons:
- It may not be beginner-friendly.
Pricing: Starts at $0.05/min + $2/month/number.
4. ElevenLabs
ElevenLabs brings your AI call agents to life with voices that sound emotional, natural, and expressive. It prioritizes maintaining human sentiment with AI.
Key Features:
- Voice cloning.
- Emotional tones.
- Multilingual support.
Pros:
- Sounds very human.
- Great for branding.
- Works well with Lindy or Vapi.
Cons:
- Requires other tools to make actual calls, so it cannot run independently on its own system.=
Pricing: A free plan is available, with paid plans starting at $5/month.
5. Deepgram
Deepgram is known for powering the “hearing” part of voice AI agents, offering accurate, real-time speech-to-text capabilities.
Key Features:
- Domain training.
- Real-time call transcription.
- Audio streaming.
Pros:
- Super accurate even in noise
- Works fast
- Customizable for industry terms
Cons:
- May not be able to handle full calls alone.
Pricing: Free credits, pay-as-you-go from $0.004/sec.
6. OpenAI Whisper
Whisper is a free, OpenAI voice agent tool for turning speech into text with support for multiple languages.
Key Features:
- Free calling tools.
- Multilingual abilities to connect with diverse buyers.
- Customizable based on the industry.
Pros:
- No vendor lock-in.
- Works well with accents
- Completely free.
Cons:
- May require a complex setup process and self-hosting.
Pricing: Free; API usage billed separately.
7. Bland AI
Bland helps teams build expressive AI voice agents with tone, age, and emotion adjustments.
Key Features:
- Voice styling.
- Emotion control.
- API-first setup.
Pros:
- Highly customizable voices to fit the business’s preference.
- Feels natural in delivery
- Scales well for enterprise.
Cons:
- No built-in logic or routing.
Pricing: A free trial is available, but the provider does not provide its pricing information online. Contact their team for more details.
8. Synthflow AI
Synthflow’s call developing platform makes it easy to build a working voice AI agency solution without writing code.
Key Features:
- No-code workflow builder.
- Real-time analytics.
- Multiple CRM integrations.
Pros:
- Fast to deploy.
- Tracks call drop-offs and success.
- Syncs with CRMs like HubSpot.
Cons:
- There may be a considerable price jump after the provider’s basic plan.
Pricing: Starts at $29/month; next tier is $450/month.
9. Retell AI
Retell AI’s software gives you AI phone agents that handle calls and generate smart post-call summaries and insights.
Key Features:
- Post-call analysis.
- Batch calling.
- CRM sync.
Pros:
- Real-time dashboards.
- Tracks the action taken during the call, not just the discussion.
- Great for sales and support teams to work together.
Cons:
- Usage-based pricing can grow fast.
Pricing: From $0.07–$0.31/min, $10 free credits.
10. JustCall
JustCall is a voice AI agent platform that helps businesses handle calls, qualify leads, and automate follow-ups, so your AI call agents stay productive.
Key Features:
- Real-time answering.
- Lead qualification.
- Call summaries and action items.
Pros:
- Manages inbound/outbound AI phone agents.
- Auto-updates CRMs and internal tools.
- Reduces missed calls and follow-up delays.
Cons:
- Access to the full voice agent features requires a paid plan.
Pricing: Starts at $49/month; custom pricing for teams.
Choosing the Best AI Voice Agent for Your Business: 6 Key Factors to Test
Testing the best AI voice agents requires checking the features thoroughly and also identifying how they perform in real situations, how natural they sound, and how easy they are to use and scale.
1. Natural Voice Quality
A great AI phone agent should sound lifelike, with a clear tone, smooth pacing, and the ability to handle emotional cues. Robotic voices that follow a preset script lack emotional value, which reduces trust and satisfaction.
2. Real-Call Functionality
Effective AI call agents must manage real conversations and handle complex customer problems. They should excel in lead qualification, appointment booking, or support. Additionally, they should handle interruptions effectively, follow logical reasoning, and escalate when necessary.
3. Simple Setup and Integration
An AI voice agent service should offer quick setup, easy CRM and telephone integration, and customizable workflows to fit different business needs. While testing, monitor the time it takes to set up, note which integrations occur smoothly, and assess the chat software‘s customization options.
4. Response Accuracy
The voice AI agent should understand user intent, respond clearly, and handle follow-ups or changes smoothly, even in unexpected situations. It should work well in real-world situations, and it’s essential to understand that customer interactions can have their speed bumps, so it should respond accordingly.
5. Call Clarity and Speed
For smooth AI calling, the system should prioritize low-latency audio, minimize lag, and work across various conditions without drops or delays.
6. Cost Efficiency
Evaluating AI voice agent pricing helps determine how valuable the auto attendant phone system will be for you. Testing should include trying the AI voice agent free version to weigh performance vs. cost.
How Spyne Provides the Best AI Voice Agent for the Automotive Industry
Spyne’s Retail AI voice agent is built to boost car dealerships. It automates cold calls, follow-ups, and lead handling with natural conversations, CRM sync, and 24/7 support that drives real results.
1. Designed for Dealerships
Spyne’s conversational AI voice agent is built keeping the automotive industry’s needs in mind. It understands how car buyers speak, what they ask, and how to respond, making it the best AI voice agent for handling leads, scheduling test drives, and managing support calls for dealerships.
2. AI Cold Calling That Fills the Funnel
With AI cold calling, Spyne reaches out to potential leads automatically. We introduce offers, create interest, and qualify potential buyers before your team can get involved. It helps fill your pipeline without exhausting your staff.
3. Instant Follow-Ups That Keep Buyers Engaged
Our AI phone agents boost your automotive digital marketing and follow up with every lead automatically, sending reminders, confirming appointments, and keeping conversations going. This way, you don’t have to run after buyers; your AI call agents do the heavy lifting.
4. Fast CRM Sync and Workflow Automation
With our automotive CRM, it’s easier to log calls, update records, and trigger follow-ups without human intervention. This means your AI caller always speaks with full context and acts fast.
5. Available 24/7 in Any Language or Accent
Spyne.ai keeps your outreach global. Whether it’s a local buyer or someone calling in from another country, our automotive chatbots handle the conversation fluently, thanks to multilingual support and natural-sounding voices.
6. Actionable Call Summaries and Sales Insights
Each AI phone agent’s automotive chat is tracked and analyzed. Spyne shows you what happened during every call, what the lead cared about, and what action was taken, so your sales team can close faster.
7. Built for All Budgets with Transparent Pricing
Spyne offers flexible AI voice agent pricing, with free trials for smaller teams and scalable plans for larger dealerships. Your business can always rely on our automotive answering service solutions to grow with you without any additional fees or hidden costs. Spyne’s AI voice agent free options allow you to test before committing.
Conclusion
AI voice agents help businesses save time, reduce costs, and never miss a sales opportunity. They help businesses every step of the way, whether it’s scheduling appointments or handling multilingual calls. However, all voice agents are unique and hence, built for different industries.
This blog also talked about Spyne’s AI-powered voice agent for dealerships. Ours is the only one that combines cold calling, automation, CRM integration, and full support, tailored for car retailers. So, if you’re ready to transform your call strategy, book a demo with us today!