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Wed Nov 30, 2016 15:48
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kjetilho: my colleagues were complaining that our sms-gateway took too long to send messages (approx. 25 seconds), so I started looking at how to improve it.
first step was to take advantage of the tunables available:
delaytime = 1
[FalcomTango]
baudrate = 115200
send_delay = 0
especially delaytime makes a lot of difference, 5 seconds on average.
next step was to upgrade to the beta version, which improves this quite a bit! thanks, Keke.
it will still wait for a quite long time between/after each command, on average 100 ms, which adds up. I reduced the poll interval to 25 ms but increased the number of timeouts correspondingly except in the case where it just checks for unexpected output from the modem.
Patch
at this stage sending an SMS takes ~8 seconds. the last step is to replace the FalcomTango modems with more modern modems which respond *much* more quickly to each command. :)
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Wed Nov 30, 2016 15:27
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kjetilho: no idea about that card. the last modem I bought was the Huawei e3372, which works well once it has been reconfigured to speak serial.
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