Vendor intelligence
Telnyx
Voice-agent infrastructure combining a carrier network with hosted speech and model services.
Read the signals. Keep the scope.
A place in your stack.
Best for
- Developers who want carrier and AI usage on a coordinated stack.
- Teams prepared to inspect per-call rounding and model-specific data handling.
Watch-outs
- The $0.05 voice engine is not a complete phone-call price.
- Short calls can cost more than simple minute estimates because of 60-second engine rounding.
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
Current product and plan support for white Label was not established by the reviewed official sources.
Source ↗ (opens in new tab)Source ↗ (opens in new tab)Source ↗ (opens in new tab)Client tenancy
Current product and plan support for client Workspaces was not established by the reviewed official sources.
Source ↗ (opens in new tab)Client billing
Stored recordings, fraud warning injection and AI specialist teams do not establish these complete user-facing capabilities or reseller program terms.
Source ↗ (opens in new tab)Source ↗ (opens in new tab)ISO 27001
Not established by the evidence reviewed. This does not mean unsupported.
No verified sourceBAA availability
Telnyx describes a Business Associate Addendum for eligible customers.
Source ↗ (opens in new tab)SIP
Current product and plan support for sip was not established by the reviewed official sources.
Source ↗ (opens in new tab)Source ↗ (opens in new tab)Warm transfer
Warm acceptance consult passes context before bridging. Only ai_assistant_start single-caller conversations; other paths differ.
Source ↗ (opens in new tab)Cold transfer
Current product and plan support for cold Transfer was not established by the reviewed official sources.
Source ↗ (opens in new tab)Batch calling
Not established by the evidence reviewed. This does not mean unsupported.
No verified sourceMCP tools
Assistant portal can configure an MCP server and invoke its enabled tools.
Source ↗ (opens in new tab)Webhooks
Custom dynamic variables and tools can use a customer webhook endpoint.
Source ↗ (opens in new tab)Calendar
No scoped current connector or documented integration path was established. Generic API feasibility and navigation mentions are not Native integration evidence.
Source ↗ (opens in new tab)Source ↗ (opens in new tab)Source ↗ (opens in new tab)CRM
Official AI Assistant Integrations section lists HubSpot connector and account authorization; confirm actions/permissions.
Source ↗ (opens in new tab)Bring your carrier
Current product and plan support for byo Telephony was not established by the reviewed official sources.
Source ↗ (opens in new tab)Source ↗ (opens in new tab)Bring your model
Selectable models or MCP management clients do not establish customer-hosted model support.
Source ↗ (opens in new tab)Source ↗ (opens in new tab)Bring your voice
Selectable built-in voices do not establish arbitrary customer TTS credentials or endpoints.
Source ↗ (opens in new tab)Source ↗ (opens in new tab)HIPAA / BAA
HIPAA guidance requires BAA, eligible services, Telnyx-hosted AI models and retained data on Telnyx infrastructure; third-party integrations require separate coverage.
Source ↗ (opens in new tab)SOC 2
Supplier explains reports and NDA access. Audit scope names Programmable Voice, Messaging, Wireless and Video; do not extend automatically to every model provider.
Source ↗ (opens in new tab)GDPR
Vendor security claims; no independent report reviewed. Voice AI processing locality is not a blanket EU-only guarantee.
Source ↗ (opens in new tab)Languages
Multilingual transcribers include auto-detection options; support depends on model/language choice.
Source ↗ (opens in new tab)Voices
Not established by the evidence reviewed. This does not mean unsupported.
No verified sourceRealtime audio
Voice cloning
Not established by the evidence reviewed. This does not mean unsupported.
No verified sourceArchitecture & connections
Understand the moving parts.
STT
Deepgram · Azure · AssemblyAI · xAI · Soniox · NVIDIA Parakeet · Omi Health · Cohere · Reson8
LLM
OpenAI · Anthropic
TTS
Telnyx · AWS · Azure · ElevenLabs · Inworld
TELEPHONY
Telnyx · SIP / own carrier
Integrations
Unknown — provider details not established by reviewed evidence.
Evidence you can inspect.
A documented feature, a supplier claim and an unanswered question are different kinds of evidence.
Evidence coverage details
- Strong-source resolved
- 62
- Vendor-claim only
- 4
- Conditional
- 19
- Other sourced outcomes
- 0
- Unknown after research
- 29
- Conflicting evidence
- 0
- Not applicable
- 0
- Not researched
- 0
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.
The operating decision.
Price structure
Component stack
V3.3 evidence review · Voice AI engine component; token, carrier, recording and number costs separate
Reviewed current public offer; retain original billing scope and units.
Human fallback
Unknown — no established fallback mode
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 Telnyx 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.
Tracked: $0.05 / minute · Voice engine: orchestration + hosted STT/TTS
Tracked: $0.05 / minute · V3.2 evidence review · PAYG
Tracked: $0.05 / minute · V3.3 evidence review · Voice AI engine component; token, carrier, recording and number costs separate
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.
Price the actual workflow.
Complete cost cannot be established from this reference. 60-second call rounding, token usage and carrier destinations require more than aggregate minutes. · LLM token usage, carrier from $0.0032/min, recording/storage and number charges
Carry the current source into your estimate, then enter the model, voice, carrier and fixed fees your configuration needs.
Alternatives by category
Other full platforms to inspect.
Alphabetical alternatives within the same category. An editorial starting point, not a performance ranking.
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CompareSmall businesses looking for reception plus follow-up tools in one subscription.
CompareEvidence archive
Inspect the record.
Telnyx Voice AI pricingreviewed
The voice engine is $0.05/minute including orchestration and hosted STT/TTS. LLM tokens and telephony are additional. Engine usage rounds each call to 60-second increments. PAYG has no subscription minimum; committed plans begin at $500/month.
Inspect official source ↗Telnyx Voice AI agentsreviewed
The product page describes a voice-agent runtime with model selection, tools, knowledge retrieval and tracing. Its $0.05 label covers STT, TTS and orchestration; the pricing page separately adds LLM and carrier usage.
Inspect official source ↗Telnyx HIPAA architecturereviewed
PHI workflows require a BAA and HIPAA-eligible services. AI handling PHI must use Telnyx-hosted models and storage. A general compliance badge does not establish every possible model configuration is covered.
Inspect official source ↗Telnyx receptionist deploymentreviewed
The vendor says existing numbers can port to Telnyx or remain with an existing provider connected over SIP. Receptionist workflows include routing and booking.
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 →
No verified affiliate enrollment or tracking link.
Partnership terms not verified.