asterisk users - May 2006 - CallerID from cell phone not being rewritten

I'm having a problem with my dialplan.  I'm trying to rewrite the
CallerID
Name variable so that when a call comes in, it shows what queue the call is
going to:

exten => 1234,n,Set(CALLERID(name)=Queue1)

This works fine for most calls, but when I call from my cell phone my name
appears and it doesn't get rewritten for some reason.  Has anyone else
experienced this behavior?

Thanks,
Kyle
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