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Answer Posted / sree
CDMA - code division multiplexiling
FDMA - frequency division multiplexing
TDMA - Time dividsion multiplexing.
the mentioned above three are the techniques used in call management practically .
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In CDMA , at a time no.of calls can be routed to last mile with limited losses in signal strength.
In FDMA , it can be used in GSM tech for encrypt & de-crypt
In TDMA , can be utlilized
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