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---
name: sinch-api-sip-trunks
description: List or create SIP trunks via Sinch Elastic SIP Trunking API
---
# Elastic SIP Trunking — Trunks
List or create SIP trunks using the Sinch Elastic SIP Trunking API. Trunks are the top-level resource for SIP connectivity. Uses OAuth2.
**IMPORTANT: Execute this command directly. Do NOT generate script files. Perform the API call immediately.**
## Input
- `--action` / `-a`: list or create - optional, default list
- `--name` / `-n`: Trunk name (for create) - required if action=create
- `--host-name` / `-h`: SIP hostname for the trunk (for create) - optional
- `--format` / `-f`: Output format (table or json) - optional
Arguments: $ARGUMENTS
## Instructions
**Execute these steps directly - do not write code or scripts:**
0. If $ARGUMENTS empty: ask "List trunks or create one?" and for create get name, hostname. Otherwise parse.
1. Validate: --action (list|create), for create require --name. Get CONVERSATION_PROJECT_ID, CONVERSATION_KEY_ID, CONVERSATION_KEY_SECRET. Base: https://elastic-trunking.api.sinch.com/v1. If missing, report "Sinch API is not configured."
2. If list: GET https://elastic-trunking.api.sinch.com/v1/projects/{projectId}/trunks with OAuth2. Display table (id, name, hostName, createTime) or JSON.
3. If create: POST .../trunks with body { name, hostName }. Return trunk id and hostname. Note: use trunk-specific hostname (e.g. {trunk-hostname}.pstn.sinch.com) for SIP INVITEs, not generic trunk.pstn.sinch.com.
4. "✅ Trunks listed" or "✅ Trunk created". Handle 401, 400, 404. Handle all errors gracefully.
## Examples
```
/sinch-api-sip-trunks
/sinch-api-sip-trunks --action=create --name="Production" --host-name=sip.example.com
```
## API Reference
- **Base URL**: https://elastic-trunking.api.sinch.com/v1
- **List**: GET /projects/{projectId}/trunks
- **Create**: POST /projects/{projectId}/trunks
- **Documentation**: https://developers.sinch.com/docs/elastic-sip-trunking/