What are SMS messages sent by?
SMS gateway can be simultaneously addressed to multiple mobile telephones, whereas text messages sent in the usual manner between mobile telephones can only be sent to a single recipient. SMS gateway domains for other carriers (US-based): SMS gateway domains for Canadian carriers: SMS gateway An SMS gateway allows a computer to send or receive Short Message Service (SMS) transmissions to or from a telecommunications network. Most messages are eventually routed into the mobile phone networks. Many SMS gateways support media conversion from email and other formats. Several mobile telephone network operators have true fixed-wire SMS services. These are based on extensions to
SMS spoofing SMS, requiring anonymous SMS service providers to send a follow-up message to the recipient stating that a spoofed SMS has been sent to them, and operate a complaints helpline. It is illegal to send anonymous SMS messages in Australia. If a user can prove that their SMS sessions have been spoofed, they should contact both law enforcement and their cellular provider, who should be able to track where the SMS messages were actually sent from. A user may also modify the phone's settings so that only messages from authorized numbers are allowed. This is not always effective since hackers could