Peter C. Casavant email (remove spam text)
I am designing a system using a PIC micro controller chatting thru a
Cermetek CH1786LC modem.
The PIC requests a command thru the modem to a PC. The PC returns a command
of what it wants to do, then the transaction is completed. I want to put a
time out on waiting for the command, does anyone know what the maximum
latency of the phone system is, or what an appropriate time out would be
for this setup? I am limiting connection to V.22bis.
See also: www.piclist.com/techref/pots/dtmf.htm?key=telephone
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