I have an 1841 running 12.4(15)T1 in which we just installed a new HWIC-3G-GSM. When the router boots the HWIC reports "SIM read failure". I've tested it with three known good SIMs from two different supported providers (Cingular and Wataniya). I'm running firmware v126.96.36.199 which supports both of our tested service providers (http://cisco.com/en/US/products/hw/routers/networking_solutions_products_generic_content0900aecd80601f7e.html#~rest-of-world).
I'm fairly new to the Cisco world (just passed my CCNA last week) but I reviewed all the documentation I could find on the Cisco site and I can't find a cause for this issue.
Is the card defective or could this be user error?
Attached is output from the router for the HWIC-3G-GSM. NOTE the SIM chip was installed when this output was taken and yes it is a working SIM. I'm using that very same SIM in a different vendor's data card to post this message to the forum.