Best AI Voice Bots for Sales Teams: Top 5 Picks

by / ⠀Blog / August 16, 2025
Sales teams are constantly under pressure to hit their sales targets faster and be more productive and efficient. That’s where AI voice bots can be beneficial. In addition to being powerful customer service automation tools, they can work well in sales environments, helping sales teams boost outreach, qualify leads, automate repetitive tasks, and scale operations cost-effectively. Here are the top 5 AI voice bot solutions for sales teams and how they can help you optimize your sales operations.

What are AI Voice Bots?

AI voice bots are AI-powered software systems that can understand spoken language and respond naturally (just as a human agent would), using technologies like automatic speech recognition (ASR), Natural Language Processing (NLP), and speech synthesis. These solutions are also known as AI voice agents, AI phone agents, and AI calling bots, to name just a few.  AI voice bots are still an emerging technology, but they are already becoming an indispensable tool for sales and customer service teams. Some of the most advanced AI voice bot solutions can interact with users in a truly natural way, handle interruptions like a human, and perform real actions beyond just providing information and answering questions. 

How can AI Voice Bots Help Sales Teams?

  • Automate cold outreach: AI voice bots can initiate and handle outbound cold calls independently, helping you automate proactive outreach quickly and effectively.
  • Book meetings automatically: AI voice bots can schedule meetings and demo calls automatically by integrating with your calendar and booking software.
  • Qualify leads and capture lead information: AI voice bots can qualify inbound and outbound leads, accurately capture lead details, and log call outcomes in your CRM.
  • Improve your sales team’s productivity: AI voice bots can handle cold calls and qualify leads, so your sales reps can focus more on building relationships and closing deals.
  • Scale without expanding your team: AI voice bots can handle thousands of outbound calls daily, helping you scale without having to hire more sales reps.
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Top 5 AI Voice Bots for Sales Teams

Let’s now take a closer look at some of the top AI voice bots for sales automation currently available on the market:

VoiceSpin

VoiceSpin allows you to build an AI voice bot that can automate inbound and outbound calls, upsell and cross-sell, qualify leads, schedule appointments, follow up with prospects, and update your CRM records. The bot can handle thousands of concurrent calls and instantly scale whenever needed. But what truly sets VoiceSpin apart is that it’s not just a standalone AI voice bot solution. VoiceSpin offers a complete contact center platform with VoIP telephony, predictive dialing, AI speech analytics, and other tools for sales teams.

Key Features:

  • Smart interruption handling
  • Support for 100+ languages and dialects
  • Contextual call hand-offs to human reps
  • Third-party integrations and API support
  • AI speech analytics with call summaries

Synthflow

Synthflow is designed for non-tech users. It allows you to build AI voice bots using a drag-and-drop interface and ready-made templates. Plus, you can either choose one of the voices from the library or clone your own voice with ElevenLabs. Synthflow’s AI voice bot can answer and make calls, qualify leads, manage appointments, update your CRM, and perform other actions. It can handle dozens or hundreds of concurrent calls based on plan and escalate calls to human reps with full context. 

Key Features:

  • No-code drag-and-drop builder
  • Ready-made templates
  • Support for 30+ languages
  • Call transfer to human agents 
  • Integrations with CRM and third-party apps

Lindy

With a no-code builder, Lindy allows you to create an AI voice bot without tech knowledge. The bot can handle inbound and outbound calls, automate sales outreach campaigns, qualify leads, book appointments, and more. After the conversation, it updates your CRM with the call details and delivers a summary straight to your team on Slack. Lindy’s AI voice bot can handle multiple calls simultaneously and escalate to human reps when needed. You can get started with a free plan to see how it works. 
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Key Features:

  • Support for 50+ languages
  • Pre-built templates
  • Third-party integrations
  • Seamless hand-off to human agents
  • Call reporting and summaries

Convin

Convin’s AI voice bot solution is built for businesses handling high call volumes and offers on-premise or private cloud deployment options. The voice bot can handle inbound and outbound sales calls, schedule appointments, qualify leads, and automatically transfer calls to human agents when the lead shows interest. It can also create an automated summary of every call, update CRM records, and follow up with prospects automatically.

Key Features:

  • Support for multiple languages
  • Smart interruption management
  • Call escalations to human agents
  • Automated post-call actions
  • Third-party integrations and APIs

Cognigy

While Cognigy isn’t voice-first by default, it allows you to build and deploy AI voice bots through its Voice Gateway. Cognigy’s solution is best suited for large enterprises with high call volumes. It can handle sales calls, upsell and cross-sell, qualify leads, schedule appointments, and perform other actions. Cognigy offers on-premise and dedicated or shared SaaS installation options. The only downside is that it’s not built for small teams – the implementation can be complex and involve IT and operations teams.

Key Features:

  • Visual flow builder
  • Routing calls to human reps
  • Support for 100+ languages
  • Integrations with third-party apps
  • Reporting and analytics tools

Wrapping up

AI voice bots handle cold calls and qualify leads, so your team can focus on closing. Voice bots are changing the game for sales teams. With the right solution, you can scale outreach and automate sales without hiring more reps.  

About The Author

Editor in Chief of Under30CEO. I have a passion for helping educate the next generation of leaders. MBA from Graduate School of Business. Former tech startup founder. Regular speaker at entrepreneurship conferences and events.

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