How does PHS send letters?

Analysis:

If it is a short message between PHS and PHS, just enter the other PHS mobile phone directly.

If a message is sent between PHS and a mobile phone, PHS can directly input the other party's mobile phone, and the mobile phone sends a message to PHS, and the mobile phone inputs the PHS number 106*** (local area code). For example:10601012345678.

106 (required for every mobile phone), 0 10 (Beijing area code), * * * * * * * (PHS number.