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MRCP ASR

ASR for VoiceXML IVR Platforms

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Modernize the ASR. Keep your IVR for now.

Meet Voicegain MRCP ASR. A future-proof neural-network STT that talks MRCP and supports both speech grammars and large vocabulary STT. Keep your IVR for now and migrate to Conversational AI on your timeline.

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Trusted by companies building amazing voice AI products

Why Voicegain MRCP

Three reasons enterprises are switching to Voicegain MRCP.

01

Keep current VoiceXML IVR App.

Native support for SRGS, grXML, JSGF, and built-in grammars. MRCPv1 and v2. Your VoiceXML application doesn't change a line.

02

Quick and easy deployment.

Deploy using Docker Compose. Just point the ASR IP to Voicegain. CPU & GPU based VMs. K8s for large scale deployments.

03

Flexible Licensing Options

Based on number of Ports. Call-home or Air-gapped License server. Tier 1 - Grammar based ASR. Tier 2 - Large Vocabulary STT.

Compatibility

Works with a wide variety of VXML IVR platforms.

Voicegain MRCP is a standards-compliant MRCPv1 and MRCPv2 server, packaged with our deep-learning based ASR/STT engine. If your platform speaks MRCP, it can speak Voicegain.

Genesys

Avaya

Cisco

Aspect(Voxeo)

Syntellect

FreeSWITCH

Asterisk

Dialogic

92%

In Grammar accuracy

12,500

Ports of MRCP ASR

5

Number of VoiceXML Platforms

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The Shift

Legacy MRCP vs. Voicegain MRCP.

Legacy MRCP ASR

An aging ASR that is approaching EOL.

✗

Grammar-based ASR has now reached EOL

Legacy Vendors are no longer maintaining their current grammar-based ASR offerings. EOL in 2027/28.

✗

No easy upgrade path

New ASR requires gRPC as the way to access - a protocol that On-premise VXML platforms do not support

✗

Cloud-only option

MRCP gateways from STT Vendors require you to send sensitive audio beyond the firewall, breaking compliance

✗

Decade-old acoustic models

Accuracy of old grammar-based STT models is very poor. It has not kept pace with modern large vocabulary STT engines.

✗

Rip-and-replace pressure

Vendors are pushing you to replace the entire IVR stack and ASR- entirely instead of just the speech layer

Voicegain MRCP

A Modern STT that supports old and new.

✓

Support both grammar-based and Large Vocabulary

Our modern STT models natively support both grammar-based and large voocabulary STT.

✓

Drop-in replacement with MRCPv1 or v2

Your VoiceXML IVR app doesn't need to change a line of code. All you need to do is to point the ASR resource to the new IP address.

✓

Deploy in Your VPC or Datacenter

Same VXML Platform, Same IVR Application. Your network end-to-end. No forced cloud migration.

✓

Deep-learning STT, trained on call audio

89% broad benchmark accuracy. Hundreds of thousands of hours of training data. 1B+ minutes transcribed in production.

✓

Path forward, not rip-and-replace

Upgrade your speech engine now with a simple docker compose deplpyment. Modernize to conversational AI on your timelines.

Why Voicegain

Support your IVR today. Move to Conversational tomorrow.

The same Voicegain ASR that can support a grammar-based app also supports Conversational AI Agents. You're not buying a dead-end product.

Today

Replace your legacy ASR.

Drop in replace Voicegain MRCP ASR. Keep your existing speech IVR with no changes to App logic. Extends the life of your IVR.

When you're ready

Add large-vocabulary STT.

Use the same model for conversational interactions where grammars don't fit. Real-time captioning, voice bots, call analytics.

Eventually

Build Gen AI Voice Agents.

Use the Voicegain AI Voice Agent Platform. Bring your own LLM. Same network, same STT models, on your timeline.

Pricing

Two ways to license MRCP ASR

Match your procurement model. Both options ship with our deep-learning ASR included.

Standard

Call-home licensing

  • Per concurrent port, per month
  • Volume discounts at scale
  • Custom model training included for enterprise
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Regulated & secure

Air-gapped licensing

Per-port licensing with no external license callbacks. For datacenters with no outbound internet — government, healthcare, finance.

  • Per concurrent port, per month
  • Zero outbound network dependencies
  • Fully self-contained deployment
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FAQ

Common questions about the AI Voice Agent Platform

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Is Voicegain a drop-in replacement for Nuance Recognizer?

+

Yes — point your IVR's ASR resource at the Voicegain MRCP server instead of Nuance. Your application, call flow, and grammars stay exactly as they are.

Can Voicegain MRCP run fully on-premises?

+

Yes — Voicegain MRCP supports call-home or fully air-gapped licensing for datacenters with no outbound internet connectivity.

What grammar formats do you support?

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Native support for SRGS, grXML, JSGF, and built-in grammars, across both MRCPv1 and MRCPv2.

What languages do you support?

+

Voicegain's ASR supports a broad set of languages, with deep-learning models trained on hundreds of thousands of hours of call audio.

What happens when we're ready to move beyond grammar-based IVR?

+

The same Voicegain ASR that powers MRCP also supports gRPC, WebSockets, and large-vocabulary streaming — and connects directly to the Voicegain AI Voice Agent Platform when you're ready for Gen AI voice bots.

Trust & compliance

The certifications your procurement team will want.

HIPAA

Full compliance with healthcare regulations.

SOC 2 Type 2

Audit complete on all 5 criteria of SOC 2.

PCI DSS

Complies with Level-2 v4.0 PCI guidelines.

E2E-Encryption

Secure solutions from call start to finish.

Customer stories

In their words.

“We needed Casey running in our VPC for HIPAA. Voicegain was the only vendor who could give us both a healthcare payer-grade agent off the shelf, deployed inside our own infrastructure. Three weeks in, Casey was handling 70% of our overflow eligibility line.”

[Customer Name]
VP, Member Services

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“We needed voice AI in our VPC for compliance. Voicegain was running in production faster than our cloud POC ever got out of pilot — and the on-prem option closed the deal with our regulated clients.”

[Customer Name]
CTO

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Voice AI under
Your Control

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