[Elecraft] Morse on the Tonight Show, Tonight, Friday the 13th
David A.Belsley
belsley at bc.edu
Sat May 14 18:15:58 EDT 2005
> You guys are missing something in the timing. Sending an SMS message
> requires far more than just keying in the receiver's phone number and
> the text itself. Once all this is keyed in and the send button is
> pressed, the cell system takes over. Much like the email system we are
> now using, the SMS message is forwarded into the SMS gateway, which
> is most likely located at some central point in the cellphone
> company's system. There are amazingly few of these due to the vast
> amount of bandwidth inside the phone companies. The next time the
> system services outgoing messages, the server will start checking for
> delivery parameters, such as if the receiving phone is available and
> ready to accept a message. When all these gates have been cleared, the
> message is forwarded to the receiver. Only then does the message come
> up for display. This can happen quickly (hundreds of milliseconds), or
> rather slowly (minutes or more) depending on the loading of the SMS
> system and the overall cell system.
Jack, what you say is true. However, you're missing the fact that the
kid was still in the process of keying in his sentence when the code
guys had finished. It would be interesting to know just how far he had
gotten, but it is clear it was not to the end.
best wishes,
dave belsley, w1euy
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