Outbound sales can be a grind.
From cold calling to qualifying leads, sales reps spend hours on repetitive tasks that often yield minimal results.
But that’s changing.
AI voice agents are transforming outbound sales by automating conversations, booking meetings, and handling objections—freeing up human reps to focus on closing deals.
With natural-sounding voices and the ability to hold context-rich conversations, these AI tools are becoming essential for businesses that want to scale outreach without increasing headcount.
For small businesses especially, AI voice agents offer a powerful advantage: efficiency, consistency, and 24/7 availability.
According to Gartner, AI will handle 40% of outbound sales interactions by 2026.
Let’s explore five of the top tools that can revolutionise your outbound sales strategy.

#1 Regie.ai – AI-Powered Sales Conversations with Context
Overview:
Regie.ai is more than a voice agent—it’s a multichannel sales tool that automates calls, emails, and LinkedIn outreach. Designed for modern sales teams, Regie.ai helps you craft personalised sequences and deliver them with precision.
Key Features:
AI voice assistant for cold calling
Multichannel outbound (email, voice, LinkedIn)
Prebuilt templates + smart personalisation
Pros:
Seamless integration with sales CRMs
Reduces SDR ramp-up time significantly
Automates entire outbound sequences
Cons:
Better for B2B than B2C
Requires setup time for templates and workflows
Ideal Use Cases:
Early-stage startups with small sales teams
Agencies needing multichannel outreach
Solo founders scaling lead gen with AI
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#2 Tactful AI – Voice Agents That Qualify Leads Instantly
Overview:
Tactful AI uses real-time conversation intelligence to qualify leads, respond to FAQs, and route conversations to human reps when needed. It acts as your first point of contact for every outbound call.
Key Features:
Voice AI for outbound calls
Lead qualification and call scheduling
CRM sync and analytics dashboard
Pros:
Fast lead qualification
Works well with HubSpot, Salesforce
Can handle multiple languages
Cons:
Robotic tone in some scenarios
Works best with consistent call volume
Ideal Use Cases:
Real estate or mortgage brokers
Professional services firms
Lead generation agencies
Businesses using voice AI for lead qualification report 20–30% higher conversion rates. (Salesforce Research, 2024)
#3 Air AI – Real Conversations, AI-Powered
Overview:
Air AI is known for its ultra-human sounding voice agents. With the ability to hold 30–to 40–minute calls, it mimics real SDR conversations and adapts to objections in real-time.
Key Features:
AI voice agents are trained on your scripts.
Long-form conversations that feel human
Records and transcribes all calls
Pros:
Natural tone and pacing
Customisable to your sales process
Ideal for top-of-funnel conversations
Cons:
Higher price point
Less effective for transactional sales
Ideal Use Cases:
High-ticket consultants
Enterprise SDR teams
Agencies running qualification calls
One digital agency using Air AI boosted lead-to-call rates by 35% and reduced response time to under 30 seconds.

#4 Cognigy.AI – Enterprise-Ready AI Voice Agents
Overview:
Cognigy.AI offers an advanced voice AI platform designed for large-scale operations. It’s capable of multilingual support, deep analytics, and seamless integration with enterprise systems.
Key Features:
AI voice + chat hybrid agents
Extensive reporting capabilities
Compliance-friendly call recording and data control
Pros:
Highly scalable
Excellent NLP and intent recognition
Strong in regulated industries
Cons:
Complex setup
Better suited for large or global teams
Ideal Use Cases:
Franchise networks
Multinational sales teams
Heavily regulated industries (finance, healthcare)
#5 Saleswhale (by 6sense) – AI-Powered Lead Re-Engagement
Overview:
Saleswhale uses AI to nurture and revive cold leads through email and voice automation. It engages prospects until they’re ready to talk or opt out, keeping your pipeline warm with no manual effort.
Key Features:
Automated email + voice follow-up
Handles objections with AI-generated responses
Works with most CRMs
Pros:
Excellent for lead nurturing
Simple onboarding
High response and open rates
Cons:
Voice features are secondary to email
Better for warm leads than cold calls
Ideal Use Cases:
Reactivating old contact lists
Following up post-events or webinars
Long-term nurture campaigns
Comparison Table

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Conclusion
AI voice agents aren’t just automation tools—they’re salesforce multipliers.
They let you:
- Reach more prospects faster
- Maintain consistent messaging
- Qualify and book leads 24/7
For small businesses, this means you can punch above your weight without hiring an army of reps.
Whether you’re nurturing cold leads, booking discovery calls, or scaling outreach, AI voice agents can take the load off your team and keep the pipeline flowing.
FAQs
Q1: What is an AI voice agent for outbound sales?
A1: An AI voice agent is a software tool that uses artificial intelligence and natural language processing to make outbound sales calls, qualify leads, book appointments, and even respond to objections—all without human intervention.
Q2: Can AI voice agents completely replace human sales reps?
A2: No, they’re designed to complement sales teams. AI voice agents handle repetitive tasks and top-of-funnel outreach, while human reps focus on building relationships and closing deals.
Q3: Are these tools only for large businesses?
A3: Not at all. Many AI voice tools, like Regie.ai and Tactful AI, are optimised for small businesses and startups with limited resources but high growth targets.
Q4: How do AI voice agents improve outbound sales efficiency?
A4: They automate high-volume tasks, work around the clock, maintain consistent messaging, and respond in real-time, significantly improving outreach speed and conversion rates.
Q5: What should I consider when choosing an AI voice agent?
A5: Consider your use case (cold calling, lead qualification, nurturing), integration needs (CRM, email, analytics), voice realism, and ease of setup.
Q6: Can these tools integrate with my CRM and marketing tools?
A6: Yes, most of the top tools listed—like Regie.ai, Air AI, and Saleswhale—integrate seamlessly with popular CRMs like HubSpot, Salesforce, and marketing automation tools.
Q7: How quickly can I start seeing results from AI voice tools?
A7: With proper setup and a clear strategy, businesses often start seeing improvements in call volume, lead quality, and conversion rates within 30–60 days.
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