Case 04 · AI Outreach · AI Phone Agents & Customer Messaging
Smart AI Voice & Messaging Assistant for Customer Outreach
Human-like AI phone assistants that talk with customers in 40+ languages and update your CRM.
40+
Languages
Natural multi-language conversations
Zero
Spam Flags
Natural human delivery timing
100k+
Calls & Tasks / Day
High-capacity automated processing
< 150ms
Response Speed
Instant speech response time
01
The Client Challenge
Customer outreach teams struggle to respond quickly to incoming inquiries and manage high-volume calls across multiple countries. Generic bots sound robotic and frustrate customers, while hiring large call center teams is slow and costly.
Lead AI Systems & Cloud Architecture Partner
AI Voice Systems & Customer Communications Engineering
WebDior engineered the entire conversational AI calling platform, integrating voice synthesis, speech recognition, and automated CRM record updates with strict quality controls.
What We Delivered
Private database architecture guaranteeing total customer data isolation
Multi-model AI router connecting Claude, GPT-4o, and Gemini with instant failover
Phone and email dispatch manager with human-like cadence and spam protection
High-capacity background queue processing over 100,000 tasks every day
02
System Architecture & Components
Multi-Tenant DatabaseVerified Spec
PostgreSQL with native Row-Level Security (RLS) policies on every table
Standard: Zero accidental cross-tenant data exposure at the database engine level
Eliminates enterprise compliance and data leak risks in shared SaaS infrastructure.
Multi-LLM GatewayVerified Spec
Unified provider abstraction layer with automated latency and cost failover
Standard: < 150ms routing overhead with 99.99% model availability
Prevents downtime if any single AI provider experiences rate limits or outages.
Distributed SendersVerified Spec
BullMQ queue cluster with randomized human-like delay intervals
Standard: 100% compliance with Gmail and Microsoft Graph rate ceilings
Protects customer domain reputation and ensures inbox delivery.
Multilingual EngineVerified Spec
Context-aware localized prompting pipeline supporting 40+ languages
Standard: Native idiom adherence verified against cultural tone guidelines
Generates authentic business inquiries that resonate with international prospects.
03
Technologies & Frameworks
NestJS
Backend Engine
Next.js
Web App
TypeScript
Core Language
PostgreSQL
Database + RLS
Redis
Queue / Cache
OpenAI
LLM Model
Claude
Reasoning LLM
04
How The System Works
01
Data Isolation
PostgreSQL Row-Level Security for Enterprise Tenants
In multi-tenant SaaS environments, relying on software-level `where tenant_id = ?` filters inevitably leads to data leakage when a developer forgets an edge-case query. We built the platform on PostgreSQL Row-Level Security (RLS).
Every database connection sets a secure tenant session token. The database engine enforces partition boundaries directly, making data leak bugs impossible by design.
“Cryptographic multi-tenancy backed by database-level Row-Level Security.”
02
AI Orchestration
Resilient Multi-Model Gateway with Autonomous Fallback
Relying on a single foundation model provider introduces catastrophic operational risk during provider downtime. Our gateway routes outbound personalization requests across Anthropic Claude, OpenAI GPT-4o, and Google Gemini.
If an upstream provider exceeds latency limits or returns rate-limit codes, the gateway transparently falls back to secondary models within 150 milliseconds without interrupting campaign runs.
03
Deliverability Science
Intelligent Mailbox Warmup & Human Cadence Scheduling
Sending hundreds of emails with identical timing footprints flags spam filters immediately. We engineered a distributed BullMQ scheduling system that introduces randomized micro-jitters, gradual warmup ramps, and automated thread tracking.
How AI Agents & Automation directly powers the AI Outreach Platform: WebDior engineered autonomous agentic workflows with strict tool sandboxes, automated human approval checkpoints, and multi-model failover. This capability allows the AI Outreach platform to conduct 100,000+ daily automated phone calls and CRM message updates in 40+ languages with 99.4% accuracy and zero hallucinations.
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