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China Mobile SIM card can't send short messages, what should I do?
2. Log in to China Mobile's online business hall and consult online customer service.
3. Go to the local China Mobile Business Office to handle SMS business.
Short message center, because the full name is short message service center (SMSC).
SMSC (short message service center)
It is a business processing system independent of wireless network. The main function is to submit, store and forward short messages.
And complete the interworking with pstn (public switched telephone network), isdn (integrated services digital network) and PSPDN (packet switched public data network).
A short message is transmitted between an extended short message entity (esme) and an MS (mobile station).
SMSC system supports SMSC mode and is controlled by license. In SMSC mode, SMSC stores and forwards short messages.
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