Why is there a +86 before the received SMS number? What does this mean?

This is more important, because the setting of the caller ID area is in it. If it is not set properly, the caller ID area will not be displayed. Let's have a look.

"Prefix filtering" refers to the number or symbol before the normal number. For example, if you receive a text message, there will be a +86 in front of your mobile phone number. If it is not filtered out, the area cannot be displayed in the communication record, but it can be identified after filtering. In addition, add 1795 1 before the IP phone. If 1795 1 is not added to the filter, it will not be recognized. As shown in the figure:

/c？ word = % CA % B2 % C3 % B4 % 3B % CA % D5 % B5 % BD % 3B % B5 % C4 % 3B % B6 % CC % D0 % C5 % 3B % BA % C5 % C2 % EB % 3B % C7 % B0 % 3B % BB % e 1% 3B % D3 % D0 % 3B % 2B % 3B 86 & amp； URL =/Ben candy % 2 ephp % 3 ffid % 3d 79% 26id % 3d 6572 & amp； b = 16 & amp； A = 0 & User = Baidu