curl --request PUT \
  --url https://api.voice-mate.com/v1/sip-trunks/{sid} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "termination_uri": "<string>",
  "sip_username": "<string>",
  "sip_password": "<string>"
}
'

{
  "status": "success",
  "sip_trunk": {
    "sid": "sip_1d31b6c1-dcea-425a-a3e1-3a9227a95381",
    "name": "production",
    "termination_uri": "my-company.pstn.twilio.com",
    "created_at": "2025-03-01T23:52:56.297986Z",
    "updated_at": "2025-05-03T10:43:50.326335Z",
    "sip_username": "myuser",
    "sip_password": "mypassword"
  }
}