>In terminal mode type in AT #CID (including the space) tell me if you get
 >an error message. That's what my message above was in reference to. I have
While reading this, I went to command mode (+++) then I tried:
AT#CID=1
  and
AT #CID=1
Received the OK message doing it either way.
Apparently, your particular model is not equipped with this feature.
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