Multi-tenant cloud
Fastest path to production. Shared infrastructure in India-region availability zones with logical isolation per workspace.
Deployment
Run VARTA where your compliance team is comfortable
Multi-tenant cloud for speed, dedicated VPC for isolation, on-premise for sovereignty — the same engine and the same call flows in all three.
- 99.9%Uptime SLA
- Multi-AZIndia-region default
- 3-tierHigh availability
- 10,000+Concurrent calls
Options
Three deployment models
Dedicated VPC
Your own isolated environment with dedicated capacity, private networking to your systems and customer-managed keys.
On-premise / sovereign
For regulated deployments that cannot leave the building. The full pipeline, including in-region or local models.
Resilience
What happens when something breaks
Voice has no retry button. The architecture assumes failure at every layer.
01 Tier 1 — Redundant components
Every service runs at N+1 across at least two availability zones. No single instance carries live traffic alone.
02 Tier 2 — Provider failover
ASR, model and TTS providers are abstracted. If one degrades, traffic reroutes without dropping the conversation.
03 Tier 3 — Graceful degradation
In the worst case the agent falls back to cached and retrieved responses, captures the intent and files the task. The call still ends well.
Live observability
Per-turn latency, provider health and concurrency visible in real time, with alerting into your own channels.
Versioned rollouts
Call flows are versioned. Roll a change to 5% of traffic, compare containment, then promote or revert.
Disaster recovery
Cross-region backups with a documented RPO and RTO, and a restore drill performed twice a year.
Bring your architecture review
We will walk your infrastructure team through the topology, failover paths and DR drill results.