[Asterisk-Users] can't get caller id?

Mark Spencer markster at digium.com
Tue Nov 25 07:53:47 MST 2003


> DTMF is used in some places. Japan uses FSK, but a rather different
> message format. There isn't a whole lot of global standardisation in CLI!

Not only that but I believe they use different frequencies, and utilize a
parity bit as well.

Mark




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