Wuhan Telecom always receives short messages from Shandong Telecom.

Wuhan electric signal has always been the short message reception of Shandong Telecom service, and the card number is the second number of the card that has been used. The former user was located in Shandong, which caused the second user to receive a short message from Shandong Telecom. Secondary numbering means that after the old users stop using or abandon the mobile phone number, the number is taken back by the telecom operator, and after a period of vacancy (silent period), it is put on the market again and provided to other users.