Comment on What you get when you search for “Guitar Tuner” on BingparentComments−Rebellos11yNot necessarily. It depends on the installation and does, usually, contain 2 tones. For instance - https://en.wikipedia.org/wiki/Precise_Tone_Plan - none of two frequencies used in NA's dialtone is E.−byron_fast11yAh well it always worked for me... may have been a case of "close enough for rock'n roll" though.
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Not necessarily. It depends on the installation and does, usually, contain 2 tones. For instance - https://en.wikipedia.org/wiki/Precise_Tone_Plan - none of two frequencies used in NA's dialtone is E.
Ah well it always worked for me... may have been a case of "close enough for rock'n roll" though.