[asterisk-dev] DAHDI / indications: US tone as stutter on India, Mexico, and the Philippines

[Tzafrir Cohen]

Hi,

A while ago we noticed while testing that if you set the tonezone of a
DAHDI phone to Mexican ("mx"), a phone with a message waiting eventually
gives a US dialtone after the stutter tone is over. This is because in
zonedata.c:

          .country = "mx",
...
                        { DAHDI_TONE_DIALTONE, "425" },
...
			{ DAHDI_TONE_STUTTER, "!350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100,350+440" },

As you can see, it ends with the tones 350+440, the same as the US
dialtone. I suspect that this is copy&paste from the "us" definition.

A quick look at the file shows that the India (in) and Philipines (ph)
definitions have the same issue. It's the same in indications.conf.

Asterisk's indications.conf gives [1] as a reference to some country's 
indications data. That file does not have information about voicemail
indication tone for Mexico.

Is this a problem or is this the expected behaviour? A quick search
found no results.

[1] http://www.itu.int/ITU-T/inr/forms/files/tones-0203.pdf

-- 
               Tzafrir Cohen
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