Does not operate for me! Then trying to get and speak to support is actually a disheartening nightmare because they don't know what you are trying to convey to them and vise versa. 2 moments Chatting with them and problem not solved! SIM is actually a joke in my experience! https://techchronicle.net/exploring-the-world-of-text-messaging-providers-voip-api-cpaas-sip-trunking-and-twilio-byoc/