FAQ
Frequently asked questions.
Common questions about Telepath—what it is, how it works, and how to get started.
- Telepath is carrier-to-agent infrastructure for Voice AI teams. It connects SIP phone carriers (Twilio, Telnyx, Vonage, Bandwidth, SignalWire, and others) to real-time AI voice agents (OpenAI Realtime, ElevenLabs Conversational AI, or any custom WebSocket endpoint) with ~12ms gateway processing and per-call observability across carrier lag, gateway, and model response layers.
- Telepath works with any SIP carrier that can be configured to route calls to a SIP URI. Tested and documented carriers include Twilio, Telnyx, Vonage, Bandwidth, SignalWire, Plivo, Flowroute, and Sinch. You bring your own carrier relationship; Telepath does not provide phone numbers or origination services. See the Carrier Configuration guide.
- Telepath has native integrations with OpenAI Realtime API and ElevenLabs Conversational AI. It also supports any custom WebSocket endpoint that accepts audio and returns audio, giving you full flexibility to build your own AI agent. See the AI Provider guide.
- Telepath adds approximately ~12ms of gateway processing per call. The dashboard shows a per-call latency breakdown so you can see exactly how much time is spent in each layer: carrier lag, Telepath gateway processing, and AI model response time. See the Carrier Optimization resource for more detail.
- Telepath charges $0.025 per transport minute. The Starter plan includes 5 concurrent voice channels and a $10 signup credit. Additional channels are available at $5 per channel per month on the Growth plan. Enterprise plans with custom pricing, dedicated infrastructure, and SLAs are available for high-volume teams. Carrier and AI model costs are billed separately by those providers. See the Pricing page.
- No. By default, Telepath does not store audio. Carrier audio and AI agent responses are streamed in real time and not retained. Telepath stores call metadata, SIP traces, and packet metrics for observability purposes. See the Security guide for more on data handling.
- Create an account at dashboard.telepathvoice.com, then follow the Quickstart guide. You can have a connection live in under 10 minutes. A $10 signup credit is included so you can test without entering a payment method.
- Telepath supports G.722 (wideband, recommended for AI voice) and G.711 PCMU/PCMA (for legacy carrier compatibility). G.722 provides double the audio frequency range of G.711 at the same 64kbps bandwidth, which improves AI speech recognition. Telepath automatically negotiates the best available codec and can transcode between formats. See the Codec & VAD guide.
- No. Telepath is transport infrastructure, not a carrier. You bring your own phone numbers and SIP carrier relationship. Telepath connects your carrier’s SIP trunk to your AI agent.
- Telepath provides per-call latency breakdowns (carrier lag, gateway processing ~12ms, AI response time), SIP traces, packet loss and jitter metrics, codec negotiation results, and call disconnect reasons. All data is accessible via the Dashboard, REST API, and Webhooks.
What is Telepath?
Which carriers does Telepath support?
Which AI providers does Telepath support?
How much latency does Telepath add?
How is Telepath priced?
Does Telepath store call audio?
How do I get started?
What audio codecs does Telepath support?
Does Telepath provide phone numbers?
What observability data does Telepath provide?
Still have questions?
Email [email protected] or explore the full documentation for guides, API reference, and troubleshooting.