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Illustrate the process of call initiation from landline telephone to cellular phone with neat timing diagram.
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written 6.9 years ago by
teamques10
★ 70k
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• modified 6.8 years ago |
When a cellular phone is turned ON, but not yet engaged in a call, it first scans the group of forward control channels to determine the one with the strongest signal, and then monitors that control channel until the signal level drops below a usable level.
Call initiation by a …
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