Scan Channels: A scan for the closest cell site near you is made, so that you can get the strongest signals possible due to your location at the moment.
Send Message: The phone then sends a short message to the cell site verifying the MIN, ESN, and the number that you have just entered to call.
Assign Channel: After verifying the above information and your number, the base assigns a message to your phone, telling it where the conversation is. Talk: The phone then gets on that channel and begins to ring.
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