Build stronger customer relationships with programmable voice API
Break through the digital noise with voice interactions that feel personal and foster trust. Tata Communications Kaleyra™’s programmable voice API enables real-time dynamic conversations for frictionless support, sales outreach, and proactive engagement. From IVRs to privacy-first call masking and global outbound campaigns, seamlessly integrate voice into your interaction workflows to elevate every touchpoint throughout the customer journey.
Elevate your business communications with voice
Elevate your business communications with voice
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Boost customer satisfaction with fast, personalised voice support
Deliver fast, personalised voice support with intelligent IVR flows and real-time routing, reducing wait times and improving first-call resolution.
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Increase operational efficiency with automation
Automate voice alerts, reminders, and verifications to streamline operations and free up your agents for higher-value interactions.
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Drive more conversions with timely voice outreach
Trigger timely actions with click-to-call and voice outreach that keeps prospects engaged and ready to take the next step.
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Protect customer privacy with secure call masking
Enable secure, anonymised voice interactions using call masking, ideal for marketplaces, logistics, e-commerce, BFSI, and telehealth.
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Scale globally with confidence using robust infrastructure
Expand your reach with global coverage, backed by Tata Communications’ carrier-grade voice infrastructure and strategically placed Points of Presence (POPs) in the US and India.
Seamless voice communication across industries
Financial Services
Leverage voice automation for payment reminders, voice OTPs, and fraud alerts. Free agents with IVR for routine account-related inquiries.
Retail engagement
Personalised voice campaigns enhance marketing ROI and boost customer engagement. Automated feedback collection improves efficiency.
Enhanced care
Automated voice calls for appointment confirmations, prescription refills, and health alerts improve patient communication. Intelligent IVR reduces call loads and provides instant support.
Travel experiences
Automate support for common queries like booking confirmations, check-ins, and alerts for cancellations and delays, providing seamless service and reducing agent workload.
Unlock smarter conversations with a complete voice toolkit
Inbound & outbound calling
Initiate or receive high-quality voice calls at scale using flexible APIs for alerts, support, sales, and outreach.
Call recording
Record calls in real-time for compliance, dispute resolution, and quality monitoring, securely stored for easy access.
Smart IVR
Design intelligent, multi-level IVRs with advanced routing logic to reduce agent load and deliver faster self-service.
Call masking
Safeguard user identities with virtual numbers, enabling secure, anonymous voice interactions.
Workflow automation
Automates complex workflows across multiple communication channels for streamlined operations.
Click-to-call
Turn interest into intent with click-to-call buttons on your website or app for instant engagement.
Call Whisper
Allow supervisors to coach agents in real-time without the caller hearing.
Developer-friendly integration
Quickly build, test, and scale with REST APIs and sandbox tools to simplify deployment across any stack.
Call detail tracking
Allows performance analysis and tracking of call metrics, such as timestamps, duration, and caller ID.
Dashboard and reporting
Monitor call performance, audio quality, duration, and user behaviour with live dashboards that support faster decisions and continuous improvement.
Count on us for proven results
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A partner you can trust
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Tata Communications recognised as an Established Leader in the Juniper Research 2025 CPaaS Leaderboard
Why Tata Communications Kaleyra™ for programmable voice?
Why Tata Communications Kaleyra™ for programmable voice?
Global reach, local presence
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Deliver voice experiences to 190+ countries using a Tier-1 carrier-grade network with local number access.
Enterprise-grade reliability
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Count on 99.90% uptime and ultra-low latency via a global voice backbone and redundant architecture.
Seamless integration with expert support
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Integrate programmable voice APIs easily, backed by guidance and tailored deployment support.
Built-in security and compliance
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Protect users with call masking, encryption, fraud detection, plus cand telecom regulation compliance.
Faster time to market and scaling
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Start quickly with developer-friendly APIs, sandbox environments, and dedicated onboarding support.
Trusted by global enterprises
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Join brands across industries relying on Tata Communications for mission-critical voice communications.
