How to make the mobile phone send text messages to others without displaying the number?

Download a palm treasure multi-party calling software, which can be used without recharging. When you dial the other party's number, the system will automatically send a receipt message. The Ip public address is the main calling number, and the other party will think that you are calling from a public phone! This kind of call costs about 10 cents per minute, and the charges are different at different time periods. And you went online to download a security housekeeper, which has the following functions: Flash message, which automatically jumps out for the other party to read after sending, and automatically deletes after reading. Leave no trace.