curl --request POST \
  --url https://api.precallai.com/api/v1/dialer/create \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "dialer_type": "Twilio",
  "name": "<string>",
  "phone_number": "<string>",
  "sid": "<string>",
  "auth_token": "<string>",
  "sip_termination_uri": "<string>",
  "sip_trunk_user_name": "<string>",
  "sip_trunk_password": "<string>"
}
'

{
  "dialer_type": "Twilio",
  "name": "<string>",
  "phone_number": "<string>",
  "sid": "<string>",
  "auth_token": "<string>",
  "sip_termination_uri": "<string>",
  "sip_trunk_user_name": "<string>",
  "sip_trunk_password": "<string>"
}