# FreJun Teler Voice / Calls API

**Canonical:** https://apis.io/apis/frejun-teler/frejun-teler-voice-calls-api/  
**Provider:** FreJun Teler — https://apis.io/providers/frejun-teler/  
**Base URL:** https://api.frejun.ai  
**Documentation:** https://frejun.com/docs/teler/

FreJun Teler Voice / Calls API is one of 12 APIs that [FreJun Teler](https://apis.io/providers/frejun-teler/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include voice-calls. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.

Place outbound calls and read call state. A **call** (`cs_`) is the top-level session; each party on it is a **leg** (`cl_`).

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/v1/voice/calls/initiate` | Initiate a call |
| GET | `/api/v1/voice/calls` | List calls |
| GET | `/api/v1/voice/calls/{call_id}` | Retrieve a call |
| GET | `/api/v1/voice/calls/{call_id}/legs` | List call legs |

## Machine-readable artifacts (8)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/frejun-teler/refs/heads/main/openapi/frejun-teler-voice-calls-api-openapi.yml
- **Documentation** — https://frejun.com/docs/teler/
- **APIReference** — https://api.frejun.ai/redoc
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/frejun-teler/refs/heads/main/authentication/frejun-teler-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/frejun-teler/refs/heads/main/conventions/frejun-teler-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/frejun-teler/refs/heads/main/errors/frejun-teler-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/frejun-teler/refs/heads/main/data-model/frejun-teler-data-model.yml
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/frejun-teler/refs/heads/main/asyncapi/frejun-teler-webhooks.yml

## Other FreJun Teler APIs (11)

- [FreJun Teler Events API](https://apis.io/apis/frejun-teler/frejun-teler-events-api/)
- [FreJun Teler Secrets API](https://apis.io/apis/frejun-teler/frejun-teler-secrets-api/)
- [FreJun Teler SIP / Calls API](https://apis.io/apis/frejun-teler/frejun-teler-sip-calls-api/)
- [FreJun Teler SIP / IP Access Control Lists API](https://apis.io/apis/frejun-teler/frejun-teler-sip-ip-access-control-lists-api/)
- [FreJun Teler SIP / Trunks API](https://apis.io/apis/frejun-teler/frejun-teler-sip-trunks-api/)
- [FreJun Teler Utilities API](https://apis.io/apis/frejun-teler/frejun-teler-utilities-api/)
- [FreJun Teler Virtual Numbers API](https://apis.io/apis/frejun-teler/frejun-teler-virtual-numbers-api/)
- [FreJun Teler Voice / Apps API](https://apis.io/apis/frejun-teler/frejun-teler-voice-apps-api/)
- [FreJun Teler Voice / Call Controls API](https://apis.io/apis/frejun-teler/frejun-teler-voice-call-controls-api/)
- [FreJun Teler Voice / Calls (legacy) API](https://apis.io/apis/frejun-teler/frejun-teler-voice-calls-legacy-api/)
- [FreJun Teler Voice / Operations API](https://apis.io/apis/frejun-teler/frejun-teler-voice-operations-api/)

## Tags

voice-calls

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/frejun-teler/frejun-teler-voice-calls-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/frejun-teler/.