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didlogic provides global voice infrastructure for AI voice agents: local and toll-free numbers in 130+ countries, SIP trunking, and direct carrier connections. Connect your Retell agents to real phone networks through a self-service portal in minutes, with no per-channel fees and no long-term contracts. Built on 15+ years of telecom operations across 12 Points of Presence worldwide.

Yanna is the instant document sender for Retell. One function lets your agent auto-fill and send the right document during the call—no DocuSign, no forms, no setup. Fast, simple, built for Retell devs.

Sympana Connector is a plug-and-play integration that connects GoHighLevel (GHL) directly with Retell AI, enabling businesses to run fully automated Voice AI systems without third-party automation platforms or backend coding. It manages outbound calling, inbound call handling, appointment flows, timezone intelligence, and complete CRM syncing—all directly inside GHL. Sympana is fully HIPAA-compliant and GDPR-compliant, ensuring safe and secure handling of sensitive customer data.

Relyable is a testing and monitoring platform for AI voice agents. It helps teams simulate real conversations, catch issues early, and track live performance, all in one place. With automated test calls, analytics, and instant alerts, Relyable makes deploying reliable AI agents faster and easier.

Poku Labs specializes in building human-in-the-loop tools for AI agents. We upgrade your agent by enabling real-time communication to a human when it needs help. We unlock high-stakes use cases that most AI agents can’t reliably handle alone.

Knotie-AI Pro is the all-in-one platform for AI Voice agencies, offering everything from white-label dashboards to marketing collateral and instant deployment. We don't just provide software—we help you build and scale your entire AI Voice business. Our platform integrates seamlessly with Retell AI, enabling agencies to deliver professional solutions while accelerating their growth.

Cloudonix is Communications Platform (CPaaS) that add super powers to your Retell voice agents. Providing seamless connectivity to service providers, on-premise or cloud communications systems, programmable voice APIs and full call-control APIs - functions such as transfers, conference calling, human in the loop coaching, and more are simple to implement.

Call Supplai is a white-label AI voice solution built for agencies, BPOs, and service providers looking to launch their own branded voice AI platform — without touching a line of code. Powered by Retell AI, it enables partners to offer intelligent, voice-first automation to clients for lead qualification, appointment booking, routing, and more.

Coval empowers developers to build enterprise voice AI in record time. Our all-in-one platform seamlessly combines conversation simulation, customizable evaluation metrics, and production monitoring to help you ship reliable agents faster and continuously optimize their performance.

Senso transforms fragmented knowledge into high quality conversational experiences. Our Response Quality Score helps organizations identify knowledge gaps and update content to improve resolution rates, sentiment, and handle time. When integrated with Retell, Senso provides agents with access to the most accurate and up-to-date knowledge. By auditing calls and fixing gaps to maintain consistency, Senso enables organizations to confidently deploy voice interactions that can handle complex queries with precision.

ChatDash is a white-label client dashboard platform tailored for Voice AI agencies. It empowers agencies to offer their clients professional, branded dashboards equipped with essential tools for managing AI interactions.

Cekura helps Conversational AI companies with automated QA. From pre-production simulation and evaluations to production call monitoring, to assisting customers in setting up the CI/CD pipeline, we help in QA across the agent lifecycle.

LLAMADA IP is a telecommunications VoIP provider offering inbound numbering in over 50 countries, along with international call termination services. With a global reach and expertise in seamless VoIP integration, LLAMADA IP ensures reliable, two-way communication compatibility with Retell, providing dependable connectivity tailored to diverse markets.

Jambonz is an open-source CPaaS designed for communications service providers. It enables seamless connectivity to custom telephony systems via SIP trunking. Pricing: Hosted version: $8.00 per concurrency; Self-hosted version: Free.

Hamming automatically tests and continuously monitors AI voice agents built on platforms like Retell. Our voice agents will call your voice agent and find bugs.