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SmartVerse Group

Diamond Retell Partner
Partner Since
December 18, 2025
Location
София, Sofia Capital, Bulgaria
Supported Locations
Primary Customer Segment
Enterprise
Languages
English
Italian
German
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About Partner

SmartVerse Group is a Europe-based Retell AI Certified Partner that designs, builds, and operates production-ready voice agents and AI automations. We create custom, fully-personalized solutions for each client – from call flows and brand voice to deep integrations with your CRM, ERP, telephony, and payments – so your Retell agents don’t just sound right, they run end-to-end in your real workflows and drive measurable revenue and support outcomes.

Our Offers

Custom Voice AI Agents
Custom AI & Web Applications
CRM, ERP & System Integrations

Clients

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UponAI
UponAI is a full-service AI communications provider specializing in white-label voice AI solutions powered by Retell AI. We enable telecommunications providers, MSPs, resellers, agencies, and technology companies to offer advanced AI voice agents under their own brand without having to build or maintain the underlying technology. A key differentiator is our ability to connect our own session border controller, or SBC, directly into the platform. This allows UponAI to integrate Retell AI with virtually any business phone system, hosted VoIP platform, SIP trunk, PBX, contact center, or carrier environment. Our telecommunications and SIP expertise enables us to manage call routing, inbound and outbound connectivity, extension dialing, warm transfers, call overflow, after-hours coverage, and other advanced voice workflows. Our white-label platform also supports appointment scheduling, customer intake, lead qualification, multilingual conversations, CRM integrations, call analytics, recordings, transcripts, and workflow automation. Partners receive a fully branded portal, customized service offerings, technical onboarding, implementation support, and ongoing assistance. By combining Retell AI’s conversational voice technology with UponAI’s SBC infrastructure, telecommunications experience, SIP expertise, integrations, and development resources, we help partners quickly launch scalable AI voice solutions while maintaining control of their branding, pricing, and customer relationships.
Whitelabel Offering
Telephony Experts
Advanced Integrations

Revolutionize your call operation with Retell