Why can't my mobile phone send a message to one person, but only to others?

There may be a problem with the mobile phone system, and the solution is as follows:

1, all the numbers you can't send have been deleted, which are on your mobile phone and SIM card.

2. Open the settings.

3. Open more applications.

4. Open the message.

5. Click to end the operation.

6. Click Clear Data.

7. Restart the phone.

(1) Short Message Service (SMS for short) refers to the text or digital information directly sent or received by users through mobile phones or other telecommunication terminals. The number of characters that users can send and receive SMS at a time is 160 English or numeric characters or 70 Chinese characters.

(2) In 2065438+04, China Mobile announced that it would create a new business portal for users in the era of mobile Internet through "Unified Communications". This move is interpreted by the industry as: giving up SMS and embracing unified communication.

(3) China Mobile's "New SMS" will be charged according to the traffic. As part of the "Unified Communications" business plan, informed sources revealed that the business is expected to be unveiled in the middle and late June this year, and it is expected to be commercialized before the end of 20 15.

(Source: Baidu Encyclopedia: SMS)