More Proactive SIMs

AT&T inspired me to explore a little more.

David Allen Burgess
Telecom Experts

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After my encounter with proactive SMS from an AT&T SIM, I decided to start checking other SIMs as well. I know nearly all SIMs support proactive features, but I am interested to see just how many SIMs actually use them. So I have set up my test bench to test the SIMs I have.

The SIMs

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David Allen Burgess
Telecom Experts

I have worked in telecom since 1998, in both SIGINT and in commercial equipment. I also do expert work in legal cases, see http://telecom-expert.com.