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Technology Stocks : The New Qualcomm - a S&P500 company

QCOM 164.42

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To: Wyätt Gwyön who wrote (1088)	8/25/1999 12:15:00 PM
From: engineer	Read Replies (1) of 13582

The carriers only know how to do circuit switched CDMA channels at the present, so the IWF handles the function of dropping the call and re-establishing the call on each packet transmission. It has a timeout algorithm which has some persistance, so that it does not redial on each packet, but rahter looks at the queue and the history and redials only on inactivity for a few seconds. This way, they give the functionality of true packet (virtually conected all the time) while still using the switch technology that they have (circuit switched for billing purposes). To get true packet means having some major rework int he switch which would take alot of time. The approach taken by 3com is quite clever in how they actually did it.

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