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AI voice agents / YOUR COMPARISON
51% evidence coverage
With AI excluded: 54–100/100
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configured voice minute · VAT basis not stated
Teams with implementation support who need control over call flows and human transfers.
Own-number SIP integration is documented, but UK number provisioning and the selected carrier's regulatory requirements need verification.
The first number is earned from documented features. Unverified capabilities create the range. Product scores do not establish the quality, reliability or price of a particular plan.
| Capability & demo question | Retell AI51–100/100 documented fit |
|---|---|
Core workflowInbound telephone calls7.0 points availableAsk in the demoCall the proposed number and speak to the agent. | ✓ Supported SIP trunk integration receives calls. 7.0 / 7.0 pointsEvidence ↗ |
Core workflowEnglish voice conversations7.0 points availableAsk in the demoComplete an unscripted English exchange using the intended voice. | ✓ Supported English is a configurable agent language. 7.0 / 7.0 pointsEvidence ↗ |
Core workflowBusiness knowledge answers7.0 points availableAsk in the demoAsk a question whose answer appears in an approved business source. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–7.0 / 7.0 points |
Core workflowLive system actions7.0 points availableAsk in the demoCheck availability or retrieve a record during a call. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–7.0 / 7.0 points |
Core workflowHuman call transfer7.0 points availableAsk in the demoAsk for a person and complete the transfer. | ✓ Supported Cold, warm and agentic warm transfers are documented. 7.0 / 7.0 pointsEvidence ↗ |
Workflow depthDocumented UK number route4.0 points availableAsk in the demoShow UK number provision or a supported import/trunking route for the deployment. | ? Not verified Direct purchase is US/Canada only. A UK carrier route is not yet verified. 0.0–4.0 / 4.0 pointsEvidence ↗ |
Workflow depthInterruption handling4.0 points availableAsk in the demoInterrupt the agent mid-sentence and change the request. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–4.0 / 4.0 points |
Workflow depthKeypad or IVR handling4.0 points availableAsk in the demoUse or navigate a keypad-driven step where the workflow needs it. | ✓ Supported Warm transfer can navigate destination IVR. 4.0 / 4.0 pointsEvidence ↗ |
Workflow depthTransfer with context4.0 points availableAsk in the demoPass a summary or relevant call data to the receiving person. | ✓ Supported Whisper debrief privately briefs the receiving agent. 4.0 / 4.0 pointsEvidence ↗ |
Workflow depthNo-answer transfer recovery4.0 points availableAsk in the demoMake the destination unavailable and inspect the fallback. | ✓ Supported Agentic transfer timeout can cancel or bridge. 4.0 / 4.0 pointsEvidence ↗ |
Workflow depthControlled outbound calling4.0 points availableAsk in the demoInitiate an authorised outbound call and show recipient controls. | ✓ Supported Imported SIP numbers can originate calls. 4.0 / 4.0 pointsEvidence ↗ |
Workflow depthRecordings and transcripts4.0 points availableAsk in the demoLocate a call's recording and readable transcript. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–4.0 / 4.0 points |
Workflow depthStructured post-call results4.0 points availableAsk in the demoExtract an agreed field or disposition from the call. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–4.0 / 4.0 points |
Workflow depthPost-call webhooks4.0 points availableAsk in the demoDeliver the call result to a CRM or workflow. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–4.0 / 4.0 points |
Workflow depthSafe testing before deployment4.0 points availableAsk in the demoTest a changed agent separately from live traffic. | ✓ Supported Version tags separate deployed agent configurations. 4.0 / 4.0 pointsEvidence ↗ |
Workflow depthRecording and data controls5.0 points availableAsk in the demoShow retention or recording controls for the account. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–5.0 / 5.0 points |
Workflow depthCapacity and cost controls5.0 points availableAsk in the demoExplain concurrency, queued calls and the full per-call cost. | ✓ Supported Pricing lists 20 included concurrent calls and extra capacity. 5.0 / 5.0 pointsEvidence ↗ |
AIVoice and conversational tuning5.0 points availableAsk in the demoConfigure voice or turn-taking behaviour for the use case. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–5.0 / 5.0 points |
AIAI-assisted agent configuration5.0 points availableAsk in the demoDraft or revise the agent from a plain-language instruction. | ✓ Supported Conductor creates and refines agent configuration. 5.0 / 5.0 pointsEvidence ↗ |
AIAutomated call-quality analysis5.0 points availableAsk in the demoRun configurable evaluation criteria over completed calls. | ? Not verified Exact workflow not verified in the reviewed material; request a demonstration. 0.0–5.0 / 5.0 points |
“Not verified” means the recorded evidence does not settle this specific check. It does not mean the feature is absent. Read the scoring method.