Last updated: August 18, 2025 (IST) • Version: 1.1

Features that make Voice AI enterprise-ready

Built for developers, trusted by operations — with security, compliance, and scale baked in.

Explore Features See API

1. Feature Matrix (At a Glance)

Capability Status Scope Notes
Warm Call Transfer GA Inbound & Outbound Context handoff, barge-in preserved; audit trail retained.
Knowledge Base GA Docs/FAQ/Policies Retrieval with guardrails; cache & eviction controls.
Calendar Integration GA Google/Outlook 2-way sync, invite creation, timezone awareness.
Batch Calling GA Campaigns Retry policy templates; pacing & compliance limits.
Call Analysis GA Realtime + Post STT, sentiment, keyphrases, QA scorecards.
Custom Tool Integration GA REST/Webhooks Tool calling with schema validation & timeouts.
WhatsApp Integration Beta Session + Notify Bridge voice↔WhatsApp for hybrid journeys.
Multilingual GA 11+ India, Global Regional accents & code-switching tuned.
Voicemail Detection GA Outbound AMD/voicemail heuristics; auto follow-ups.
Pre-Integrated Services GA CRM/Cloud/Payments Deploy faster with vetted connectors.
Indian Telephony GA TRAI compliant Carrier-grade routing, DLT registration support.
Status labels are indicative; confirm with your Viantrix success team for workload eligibility.

2. Seamless Warm Call Transfers

Agent-to-Agent

Pass context, case IDs, and caller intent without repeating. Barge-in and interrupt preserved across the hop.

Policy-Aware Routing

Route based on skill, language, availability, or escalation rules; audit trail retained.

3. Connected Knowledge Base

Real-Time Answers

Retrieve from manuals, policies, and FAQs with source citation; stale cache eviction.

Guardrails

Response constraints, redaction, and tool whitelisting to keep answers compliant.

4. Smart Calendar Scheduling

2-Way Sync

Create, reschedule, and cancel events; handle timezones and invitees automatically.

Reminders

Voice-triggered scheduling with SMS/Email/WhatsApp reminders.

5. Scalable Batch Calling

Pacing & Retries

Parallelism tuned for carrier limits; adaptive retry windows to maximize answer rates.

Live Dashboards

Monitor connect rate, AHT, conversion, and sentiment in real time.

6. AI-Powered Call Analysis

STT & Sentiment

Accurate transcriptions with language/dialect models; per-turn sentiment tagging.

QA Scorecards

Keyword detection, policy checks, and auto-summaries for coaching.

7. Custom Tool & API Integration

REST & Webhooks

Define tools with JSON schemas; enforce timeouts and circuit-breakers.

Pre-built Connectors

CRM, ticketing, payments, analytics — deploy quickly without heavy lift.

8. Voice + WhatsApp, Unified

Hybrid Journeys

Continue calls over chat for confirmations, documents, and follow-ups.

Enterprise Messaging

Template approvals, opt-in tracking, and consent logging.

9. Multilingual, Local & Global

  • Indian languages: Hindi, Bengali, Marathi, Tamil, Telugu, Kannada, Malayalam, Gujarati, Punjabi, Odia, Assamese.
  • Global coverage: English, Arabic, Spanish, Portuguese, and more.
  • Dialects: Tuned for accent variance and code-switching.

10. Intelligent Voicemail Detection

AMD & Heuristics

Detect machines vs. humans fast; skip messages or drop a branded voicemail.

Automated Follow-Ups

Trigger retries, WhatsApp, or SMS with dynamic windows.

11. Pre-Integrated Services — Ready to Go

CRM
  • Salesforce
  • HubSpot
  • Zoho
Support
  • Zendesk
  • Freshdesk
  • ServiceNow
Cloud & Analytics
  • BigQuery
  • Snowflake
  • Redshift

Connector availability varies by region and plan.

12. Native Indian Telephony Connectivity

  • TRAI-compliant routes and DLT registration guidance.
  • Carrier-grade QoS; CLI/brand ID support where available.
  • Regional routing and data residency options.

13. Developer APIs — Quick Start

Create an outbound call (REST) 
{
  "to": "+91XXXXXXXXXX",
  "from": "Viantrix",
  "workflow": "batch_campaign",
  "language": "hi-IN",
  "tools": ["crm_lookup", "kb_search"],
  "policy": { "retries": 2, "voicemail_action": "skip" },
  "callback_url": "https://yourapp.example.com/webhooks/calls"
}

See full API & SDK docs for authentication, errors, and webhooks.

14. Reliability & Compliance Snapshot

Area Default Notes
Uptime Target 99.95% Per region; see Status for current.
Encryption TLS 1.2+/AES-256 TLS 1.3 preferred; KMS-managed keys.
IAM SSO/SAML/OIDC RBAC, MFA for privileged roles.
DR Targets RPO ≤ 15m / RTO ≤ 4h Workload & tier dependent.
Attestations SOC 2 / ISO 27001* *Roadmap; confirm availability for your region.

15. Frequently Asked Questions

How do warm transfers preserve context?

We pass session variables (caller intent, KB citations, tool outputs) through a secure bridge so the next agent can continue seamlessly.

Which calendars are supported?

Google Calendar and Microsoft Outlook are supported out-of-the-box with 2-way sync and invite management.

Do you support on-prem or VPC isolation?

Yes. Speak with our team for VPC peering or on-prem strategies aligned to your data residency requirements.

Enterprise Voice AI Without Limits

Start with our developer tier or get a tailored deployment plan.

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Some figures on this page are illustrative placeholders. Replace with verified metrics prior to publication.