SMSC mobile phone card number

SMSC(ShortMessageServiceCenter) is responsible for relaying, storing or forwarding short messages between base stations and mobile stations (me); The protocol from ME to SMSC can send short messages from or to mobile stations, and the protocol name follows GMS03.40 protocol.

Android phones can enter * # * # 4636 # * * in the phone dial panel to enter the test, and then select the phone information to find the SMCC below. If you directly enter +86 13800220500 and press "Update", you will be prompted: updateerror. You must convert the SMS center number to PDU format before entering it, and then press "Update".