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To: 49thMIMOMander who wrote (9698)	3/6/2001 2:22:28 PM
From: Eric L	Respond to of 34857

<< I do not think anyone can underestimate the need for testing, verification and rewriting code, the cooperation needed to go from switched ciruit to packet networks, switches, controllers,etc,etc.. >> Amen. The Korean and Japanese CDMA operators have this behind them. Verizon and Sprint have it ahead of them. VoiceStream seems pretty far along. Late to data for lack of WAP GSM-1900 handsets, but maybe this is a blessing. VoiceStream will surprise a lot of people in the US, when they crank up data, I think. << P.S. Spent one summer job in one of the most "diverse" switches in Finland, equipment spanning at least 4 generations (long time ago but invaluable experience) >> I'm sure. I visited some BAM/NYNEX switches when they were first starting to overlay CDMA. VoiceStream has something of an advantage (same as Sprint PCS on the CDMA side). The oldest GSM equipment in the US (other than Sprint's now used by Voicestream) is 1996 and everything here is GSM Phase 2 or later (no GSM Phase 1 baggage at all). Everything came up with OTA, and voice roaming, and SMS from day one. A good portion of VoicStreams's stuff has been installed in the last 2 years. They are pretty state of the art. << Must be fun and busy out in the roaming wireless world. >> Roaming the tough part. The CDMA guys now finding that out, and scratching their heads. Dr. Jacobs says however it just takes some multi-mode phones (he doesn't say SIM because he hates that word). - Eric -