Emulate No Signal/Service

Just wondering if it's possible to use the emulator, to emulate having no signal.开发者_StackOverflow

I've looked through the emulator documentation, and cant see an obvious way to do it.

Cheers

James

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$ telnet localhost 5554
gsm signal 0 0
exit
$

(Replace "5554" with the actual port that your emulator is running on - yes, its a year since this was asked, but perhaps people with google-fu will find this answer)