I am looking for cadence of tones in telephonic lines in Mexico, line busy, dial tone, ...
Thanks. Sorry for my English.
Roque.
Cadence/Tone Telephone in Mexico?
Nov 08, 2004
2 Replies
Did you mean DTMF (dual tone multi frequency) touch tones? I would assume they are the same in Mexico as they are in US since the system has been in use since 1960s. Here is a nice read on the subject:
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You could also post in another newsgroup, comp.dcom.telecom.tech to see if someone from Mexico can actually 100% confirm that.
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Thanks but it is not exactly the information than I looking for. I'm looking for solved questions which, frecuency of dial tone, busy tone (ex. tuu-tuu-tuu)...
Roque
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