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To: slacker711 who wrote (258)	1/27/2000 4:29:00 PM
From: Eric L	of 332

Slacker, << 1) I kind of assume that when you talk about SIM's being incorporated into CDMA2000 you are talking about 3xrtt....it seems like they might be already too late to do it for 1xrtt. >> I was really talking about SIMs (or USIMs or UIMs) "potentially" being incorporated in IMT-2000 using cdma2000 for IMT-MC (in other words, in the 3G ITU standardized release of cdma2000 rather than in any nonstandardized implementation or release of cdma2000 or any migratory step from cdmaOne to cdma2000). Boy, that was a mouthful. Based on the December 10, ITU release, my understanding is that the ITU "hopes" to complete the required IMT-2000 specifications by the end of the year 2000 so IMT-2000 networks can be deployed in 2001. Is that your understanding? It would then seem that SIMs (or USIMs or UIMs) would be too late for initial implementations of 1xrtt but not necessarily later ones, and it is even possible that a SIM could be incorporated into an initial implementation (but I have no visibility on that). << 2) Would there be any problems with a rollout of SIM's in CDMA since it would be likely done piecemeal? Basically the scenario I can see playing out is that operators are likely only to start a CDMA2000 (3x) rollout in selected areas. At this point you would have phones which are non SIM (IS-95/1xrtt) and SIM (3xrtt) attempting to communicate with basestations that might or might not be upgraded >> I see this as potentially possible. I am reviewing some publicly available documentation on this now and trying to sort out what is current from what is not and also trying to distinguish between what a USIM is as compared to a UIM and a R-UIM. When I think I have this sorted out in my pea brain, I'll post on it. I hope I have not made this post too convoluted. I'm sure I have. - Eric -

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