curl --request PATCH \
  --url https://{api_endpoint}/api/v1/channels/phone/{config_id}/numbers/{number} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone_number": "<string>",
  "description": "<string>",
  "agent_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "environment_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}