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Comparison LabCompare 27 voice AI platforms and components across seven buying contexts, with sourced capabilities, current price captures and visible unknowns.Voice AI Price Index: prices, evidence and historyUnderstand the complete voice-agent cost stack: models, voice, transcription, telephony, subscriptions, capacity and add-ons.Know the cost before the first callEstimate monthly voice-agent costs, AI minutes, setup expenses and volume scenarios using your own transparent assumptions.AI voice agents for dentalAppointments, rescheduling and after-hours calls—with a person ready for clinical questions. Explore call flows, safe automation, integrations, tests and cost considerations.

Vendor intelligence

Cognigy

Enterprise agent workflows and Voice Gateway for existing contact-center environments.

At a glance / documented capabilities

Read the signals. Keep the scope.

All evidence ↗

Voice

Conditional
Scope & source
YesConditional · 2026-09-28

Telephony / SIP

Conditional
Scope & source
YesConditional · 2026-09-28Voice Gateway

Agent tools

Verified Yes
Scope & source
YesVerified Yes · 2026-09-28

Integrations / webhooks

Conditional
Scope & source
YesConditional · 2026-09-28Unknown

Enterprise / HIPAA path

Vendor claim
Scope & source
YesVendor claim · 2026-09-28Cognigy.AI supplier statement
Enterprise Platforms

A place in your stack.

Best for

  • Contact-center teams that need configurable carrier routing and enterprise workflow control.
  • Organizations evaluating speech-provider fallback and managed governance.

Watch-outs

  • No public unit price was established; request itemized platform, speech, carrier and support costs.
  • Compliance statements do not replace a signed agreement or a review of your deployment and subprocessors.
Visit CognigyOfficial site · no affiliate tracking
Product evidence coverage

Documented claims, not tested performance.

10 / 23 fields

Product specification

What the evidence says.

Unknown means we have not established it. It does not mean No. Compliance claims require plan and contract review.

White label

UnknownUnknown after research

No supporting statement located in the bounded official corpus; confirm scope with vendor. Unknown is not No.

Source ↗ (opens in new tab)

Client tenancy

UnknownUnknown after research

Account roles and a custom SIP domain do not establish agency-isolated workspaces or branded portal domains.

Source ↗ (opens in new tab)Source ↗ (opens in new tab)

Client billing

UnknownUnknown after research

No supporting statement located in the bounded official corpus; confirm scope with vendor. Unknown is not No.

Source ↗ (opens in new tab)

ISO 27001

Unknown

Not established by the evidence reviewed. This does not mean unsupported.

No verified source

BAA availability

UnknownUnknown after research

No supporting statement located in the bounded official corpus; confirm scope with vendor. Unknown is not No.

Source ↗ (opens in new tab)

SIP

DocumentedConditional

Voice Gateway protocol/API capabilities; SIP provider and licensed deployment required.

Source ↗ (opens in new tab)

Warm transfer

UnknownUnknown after research

Dial/bridge and Copilot handover are documented; standard consult-before-connect warm workflow not established by this source.

Source ↗ (opens in new tab)

Cold transfer

DocumentedConditional

Voice Gateway protocol/API capabilities; SIP provider and licensed deployment required.

Source ↗ (opens in new tab)

Batch calling

Unknown

Not established by the evidence reviewed. This does not mean unsupported.

No verified source

MCP tools

DocumentedVerified Yes

Open API, CLI, Extension Framework and external MCP tools documented.

Source ↗ (opens in new tab)

Webhooks

DocumentedConditional

Public REST/developer workflow and endpoint webhooks; deprecated developer MCP is not a current feature claim.

Source ↗ (opens in new tab)Source ↗ (opens in new tab)

Calendar

UnknownUnknown after research

No supporting statement located in the bounded official corpus; confirm scope with vendor. Unknown is not No.

Source ↗ (opens in new tab)

CRM

UnknownUnknown after research

No supporting statement located in the bounded official corpus; confirm scope with vendor. Unknown is not No.

Source ↗ (opens in new tab)

Bring your carrier

DocumentedConditional

Voice Gateway protocol/API capabilities; SIP provider and licensed deployment required.

Source ↗ (opens in new tab)

Bring your model

DocumentedVerified Yes

Configured provider API credentials required; standard versus custom model compatibility differs.

Source ↗ (opens in new tab)

Bring your voice

DocumentedConditional

Configured cloud/on-prem or custom speech vendors; TTS streaming provider-dependent.

Source ↗ (opens in new tab)

HIPAA / BAA

DocumentedVendor claim

Supplier compliance statement; executed scope and independent evidence not reviewed.

Source ↗ (opens in new tab)

SOC 2

UnknownUnknown after research

SOC2 stated without type in captured product text; no Type1/Type2 inference.

Source ↗ (opens in new tab)

GDPR

DocumentedVendor claim

Supplier compliance statement; executed scope and independent evidence not reviewed.

Source ↗ (opens in new tab)

Languages

DocumentedConditional

Cloud/on-prem provider configuration and custom voice endpoints are supported; model and license requirements apply.

Source ↗ (opens in new tab)Source ↗ (opens in new tab)

Voices

Unknown

Not established by the evidence reviewed. This does not mean unsupported.

No verified source

Realtime audio

Unknown

Not established by the evidence reviewed. This does not mean unsupported.

No verified source

Voice cloning

Unknown

Not established by the evidence reviewed. This does not mean unsupported.

No verified source

Architecture & connections

Understand the moving parts.

STT

Amazon Transcribe · Deepgram Flux · Google · Microsoft Azure · Nuance · Speechmatics · Custom

LLM

OpenAI · Anthropic · Google Gemini

TTS

Amazon Polly · Deepgram · ElevenLabs · Google · Microsoft Azure · Nuance · Custom

TELEPHONY

Voice Gateway / SIP trunks

Integrations

Open API · MCP Server endpoint

Cognigy.AI platform (opens in new tab)Cognigy Voice Gateway technical capabilities (opens in new tab)Cognigy endpoint reference (opens in new tab)
Research outcomes / sources / limitations

Evidence you can inspect.

A documented feature, a supplier claim and an unanswered question are different kinds of evidence.

Buyer-relevant evidence114 / 114 applicable P0 fields researched

35 strong-source resolved · 45 unknown after research

Evidence coverage details
Strong-source resolved
35
Vendor-claim only
7
Conditional
27
Other sourced outcomes
0
Unknown after research
45
Conflicting evidence
0
Not applicable
0
Not researched
0

P1: 157 / 157 researched · Relevant P2: 27 / 27 researched.

Checked 2026-09-28. P0 means buyer-critical. Research coverage measures the work completed, not product quality, trust, or a benchmark score. A researched field can still be Unknown.

Inspect detailed evidence, sources and research gaps

September 2026 remains the historical baseline. A new research date does not mean a feature launched that day. Unknown after research and not researched are separate states.

Official documentation establishes what the supplier documents. No paid calls, independent product benchmarks or compliance audits were performed in this research pass. Coverage measures research work, never product quality.

Buyer intelligence / September 2026 baseline

The operating decision.

Price structure

Custom / sales-led

V3.3 evidence review · Enterprise contract; complete public numeric schedule unavailable

custom-sales-ledVerified Yes · 2026-09-28

Sales-led enterprise component deployment; no public complete rate table in captured product documentation.

Human fallback

Unknown — no established fallback mode

UnknownUnknown after research · 2026-09-28

No individually verified capability establishes this selection. Conditional support and vendor claims do not satisfy Strict Must-have.

Documented transfer is not a staffed human service. Verify who answers, when they answer and what happens if they do not.

Try it yourself

Unknown — no independently checked public demo entry is attached.

External signals

No dated external signal in this record. Missing evidence is not a negative review.

Underlying model context: the documented stack above does not establish an exact benchmark checkpoint or its deployed settings. Public model results cannot become a Cognigy score.

Append-only price history

Every capture leaves a trace.

A new check creates a new snapshot. Deltas appear only for the same currency, unit, model and scope.

Checked datePrevious → currentDeltaEvidence
No earlier capturePrice not disclosed

Tracked: Numeric rate undisclosed · No numeric rate verified in inspected official product material

First captureCognigy.AI platform (opens in new tab)
Price not disclosedCustom quote / current rate unresolved

Tracked: Numeric rate undisclosed · V3.3 evidence review · Enterprise contract; complete public numeric schedule unavailable

Evidence improvedCognigy.AI | Agentic AI Platform for CX | NiCE Cognigy (opens in new tab)
Custom quote / current rate unresolvedCustom quote / current rate unresolved

Tracked: Numeric rate undisclosed · V3.3 evidence review · Enterprise contract; complete public numeric schedule unavailable

Evidence improvedCognigy.AI | Agentic AI Platform for CX | NiCE Cognigy (opens in new tab)
Custom quote / current rate unresolvedCustom quote / current rate unresolved

Tracked: Numeric rate undisclosed · V3.3 evidence review · Enterprise contract; complete public numeric schedule unavailable

Evidence improvedCognigy.AI | Agentic AI Platform for CX | NiCE Cognigy (opens in new tab)carriers (opens in new tab)Voice Gateway Parameter Details (opens in new tab)Knowledge AI (opens in new tab)

New research observations preserve earlier captures. “Evidence improved” records what we learned; it does not claim the market changed on that date. September 2026 is the historical baseline.

Cost estimator

Price the actual workflow.

Complete cost cannot be established from this reference. Exact licensed components, speech/model/carrier pass-through and enterprise minimum require a quote. · Carrier and speech-provider subscription costs may apply

Carry the current source into your estimate, then enter the model, voice, carrier and fixed fees your configuration needs.

Estimate Cognigy costs

Alternatives by category

Other enterprise platforms to inspect.

Alphabetical alternatives within the same category. An editorial starting point, not a performance ranking.

PolyAIEnterprise Platforms

Contact centers comparing a managed voice-agent deployment with maintaining a custom stack.

Compare
SierraEnterprise Platforms

Businesses able to define a measurable resolution and its commercial value.

Compare

Evidence archive

Inspect the record.

Cognigy.AI platformreviewed

Cognigy describes enterprise agent workflows with API and integration tooling and advertises GDPR, SOC2 and HIPAA compliance. The inspected product material provides a demo/contact path without a public unit rate.

v2-cognigy-product · vendor-claim · Captured 2026-09-27

Inspect official source ↗
Cognigy Voice Gateway technical capabilitiesreviewed

Voice Gateway supports SIP, outbound REST calls, carrier trunk configuration, SIP REFER/INVITE transfers and custom speech APIs. It supports speech-provider fallback; receiving SIP REFER is not supported.

v2-cognigy-voice · official · Captured 2026-09-27

Inspect official source ↗
Cognigy endpoint referencereviewed

Cognigy documents a Voice Gateway SIP endpoint and an MCP Server endpoint that exposes AI agent tools for discovery and execution. MCP server exposure does not establish support for every external MCP client workflow.

v2-cognigy-mcp · official · Captured 2026-09-27

Inspect official source ↗

Evidence describes documented scope, not a tested platform score. Unknown means a conclusion has not been established; API connectivity does not establish a native integration. Read our research methodology →

Commercial transparency

Public affiliate terms and an approved tracking link have not been verified.

Partner eligibility and commercial terms are unverified.

Visit CognigyOfficial site · no affiliate tracking