There are some API's you can use to send such SMS, e.g. the Tropo API. You don't even need a phone for it, works online https://www.developergarden.com/apis/api

There are some API's you can use to send such SMS, e.g. the Tropo API. You don't even need a phone for it, works online https://www.developergarden.com/apis/apis-sdks/telekom-tropo-api/telekom-tropo-api-features-and-details/ https://www.developergarden.com/apis/apis-sdks/telekom-tropo...