Zadarma
Powerful Cloud Telephony for Global Businesses
Zadarma offers a feature-rich VoIP platform designed for businesses that want flexibility, scalability, and professional communication without high costs. Set up your cloud PBX in minutes, manage international teams, and serve customers worldwide — all from a single interface.
Key features:
- Virtual phone numbers in 110+ countries
- Free cloud PBX with IVR, call routing, and analytics
- Integration with CRMs: HubSpot, Zoho, Bitrix24, and more
- AI Voice Agent and AI-speech recognition and analytics
- Apps for desktop, mobile, and browser-based calling
- AI-powered voice agents and call tracking
- Full control via web interface and API
Ideal for remote teams, support centers, and growing companies looking to modernize their phone systems.
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Telavox
Collaborate with colleagues. Engage with customers. Any channel. Any device. Anywhere. Telephony, PBX, messaging, meetings, and contact center in one simple platform. Reach out and engage with customers and colleagues. Empower your workforce with the right tools. One app for both customer engagement and collaboration with colleagues. Agents can work remotely without compromising a great customer experience. Get work done with one simple app for calling, messaging and meetings. Avoid distractions and collaborate in real-time. Use smart features to let colleagues know when you're available, and when you're not. Stay connected, stay productive. Fixed and mobile telephony, and PBX. All your voice communication needs in one place. Any device, any platform. Regardless of where a call happens - over cellular, PSTN or the internet - the experience and features are the same.
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InstaVoice
With innovative mobile services offered to carriers in 46 countries around the world, InstaVoice has been transforming the voice landscape. The InstaVoice app is a birth-child of creativity, knowledge and experience, from the inventors of Voice SMS, built on the premise of providing a sturdy and reliable voicemail application for consumers around the world. Listen, reply to, and manage unlimited voicemails for all your linked numbers in a unique chat-like user interface. Say good riddance to ‘Your-voicemail-is-full’ messages! With unlimited storage, you can access all your voicemail messages from the past - even if you switch carriers. Get free Missed Call Alerts for all your linked numbers, even when if your phone is switched off or unreachable. Your missed calls appear in the “Missed Calls” tab and you can call back or respond with a voice or text message, directly from the app.
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Aircall
Aircall is an AI-powered customer communications and intelligence platform that unifies phone, messaging, and call center operations. Designed for sales and support teams, it enhances every interaction with features like AI Voice Agents, real-time conversation coaching, and integrated WhatsApp messaging. With powerful analytics, call recording, and shared inboxes, teams gain clarity and can resolve customer issues faster. The platform is easy to set up, offering quick number claiming, seamless integrations, and customizable workflows. Trusted by over 21,000 companies worldwide, Aircall helps businesses improve connection rates, boost CSAT scores, and streamline onboarding. By combining automation with human-first AI, Aircall reduces busywork so teams can focus on building better customer relationships.
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