Here is a neutral and interesting 1-paragraph summary of the provided text: In the DACH region, which includes Germany, Austria, and Switzerland, buying a Twilio number can be challenging due to national regulations that determine who is allowed to acquire a telephone number and under what conditions. To purchase a Twilio phone number in this region, developers must meet specific requirements such as providing identification documents, proof of address, and regulatory bundles. However, alternative options are available, including mobile numbers from other EU countries with fewer restrictions, which can be used for communication across national borders without additional costs or roaming charges.