# Telnyx Voice Media Go

> Play audio files, use text-to-speech, and record calls. Use when building IVR systems, playing announcements, or recording conversations. This skill provides Go SDK examples.

- Skill: `team-telnyx/telnyx-voice-media-go-3` (Agent Skill)
- Install (CLI): `npx skillmds@latest add team-telnyx/telnyx-voice-media-go-3`
- Raw SKILL.md: https://api.skillmd.com/api/skills/team-telnyx/telnyx-voice-media-go-3/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: team-telnyx (https://skillmd.com/u/team-telnyx)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/team-telnyx/telnyx-voice-media-go-3

---


<!-- Auto-generated from Telnyx OpenAPI specs. Do not edit. -->

# Telnyx Voice Media - Go

## Installation

```bash
go get github.com/team-telnyx/telnyx-go
```

## Setup

```go
import (
  "context"
  "fmt"
  "os"

  "github.com/team-telnyx/telnyx-go"
  "github.com/team-telnyx/telnyx-go/option"
)

client := telnyx.NewClient(
  option.WithAPIKey(os.Getenv("TELNYX_API_KEY")),
)
```

All examples below assume `client` is already initialized as shown above.

## Play audio URL

Play an audio file on the call.

`POST /calls/{call_control_id}/actions/playback_start`

```go
	response, err := client.Calls.Actions.StartPlayback(
		context.TODO(),
		"call_control_id",
		telnyx.CallActionStartPlaybackParams{},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.Data)
```

## Stop audio playback

Stop audio being played on the call.

`POST /calls/{call_control_id}/actions/playback_stop`

```go
	response, err := client.Calls.Actions.StopPlayback(
		context.TODO(),
		"call_control_id",
		telnyx.CallActionStopPlaybackParams{},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.Data)
```

## Record pause

Pause recording the call.

`POST /calls/{call_control_id}/actions/record_pause`

```go
	response, err := client.Calls.Actions.PauseRecording(
		context.TODO(),
		"call_control_id",
		telnyx.CallActionPauseRecordingParams{},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.Data)
```

## Record resume

Resume recording the call.

`POST /calls/{call_control_id}/actions/record_resume`

```go
	response, err := client.Calls.Actions.ResumeRecording(
		context.TODO(),
		"call_control_id",
		telnyx.CallActionResumeRecordingParams{},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.Data)
```

## Recording start

Start recording the call.

`POST /calls/{call_control_id}/actions/record_start` — Required: `format`, `channels`

```go
	response, err := client.Calls.Actions.StartRecording(
		context.TODO(),
		"call_control_id",
		telnyx.CallActionStartRecordingParams{
			Channels: telnyx.CallActionStartRecordingParamsChannelsSingle,
			Format:   telnyx.CallActionStartRecordingParamsFormatWav,
		},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.Data)
```

## Recording stop

Stop recording the call.

`POST /calls/{call_control_id}/actions/record_stop`

```go
	response, err := client.Calls.Actions.StopRecording(
		context.TODO(),
		"call_control_id",
		telnyx.CallActionStopRecordingParams{
			StopRecordingRequest: telnyx.StopRecordingRequestParam{},
		},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.Data)
```

## Speak text

Convert text to speech and play it back on the call.

`POST /calls/{call_control_id}/actions/speak` — Required: `payload`, `voice`

```go
	response, err := client.Calls.Actions.Speak(
		context.TODO(),
		"call_control_id",
		telnyx.CallActionSpeakParams{
			Payload: "Say this on the call",
			Voice:   "female",
		},
	)
	if err != nil {
		panic(err.Error())
	}
	fmt.Printf("%+v\n", response.Data)
```

---

## Webhooks

The following webhook events are sent to your configured webhook URL.
All webhooks include `telnyx-timestamp` and `telnyx-signature-ed25519` headers for verification (Standard Webhooks compatible).

| Event | Description |
|-------|-------------|
| `callPlaybackStarted` | Call Playback Started |
| `callPlaybackEnded` | Call Playback Ended |
| `callSpeakEnded` | Call Speak Ended |
| `callRecordingSaved` | Call Recording Saved |
| `callRecordingError` | Call Recording Error |
| `callRecordingTranscriptionSaved` | Call Recording Transcription Saved |
| `callSpeakStarted` | Call Speak Started |