AI-Driven Live Call Transcription and
Ringless Voicemail (RVM) Architecture

The Call Confident modernizes telecommunications by integrating AI-powered live transcription and specialized RVM systems to improve sales outreach efficiency and data capturing, enabling businesses to scale their communication strategies.

Industries

TELECOM, AI SERVICES, SALES AUTOMATION

Services

AI TRANSCRIPTION, SIP MANAGEMENT, MEDIA PROXYING

Tools We Used

MediaMTX (RTSP/HTTP), Nvidia Riva AI, WebSockets, Asterisk, SIP Trunks (Piratel, Commio, Wavecall)

Challenges

Converting live media streams into highly accurate text with sub-second latency for real-time feedback.
Navigating complex carrier-level restrictions to facilitate reliable ringless voicemail (RVM) delivery.
Managing heterogeneous SIP providers and protocol translations for seamless global connectivity.
Ensuring enterprise-grade data privacy and secure media handling during high-volume transcription sessions.

Our Solution

01- GPU-Accelerated AI Ingestion

Implemented Nvidia Riva AI for high-performance, GPU-accelerated transcription of live media.
Optimized neural models for specific telecom audio frequencies and accents.
Reduced transcription latency to under 300ms for near-instant text availability.

02- Advanced SIP & Media Proxying

Integrated MediaMTX for robust media proxying and bridge architecture.
Custom SIP header manipulation for compliant RVM delivery across diverse carriers.
Implemented session orchestration logic for stable and scalable stream handling.

03- Secure Distributed Data Flow

Designed encrypted transmission tunnels for transcript snippets via secure WebSockets.
Built a centralized media gateway for comprehensive real-time monitoring and auditing.
Implemented automated data masking for sensitive customer information during processing.

Results

Sub-second accuracy for real-time call transcription, improving agent performance.
99.9% RVM delivery rate achieved through compliant SIP orchestration.
Full observability into media flows via a centralized gateway and monitoring stack.
Enhanced data privacy through end-to-end encryption and automated PII masking.

Client Experience

The Call Confident's platform transformation enabled a new level of telecommunications intelligence:

Drastic improvement in sales conversion rates through real-time AI guidance.
Reduced operational overhead for managing complex SIP infrastructures.
Scalable foundation for future AI-driven voice features and analysis.

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AI-Driven Live Call Transcription and Ringless Voicemail (RVM) Architecture