[Asterisk-Users] Asterisk Indications
Christopher Lee
chris at datachaos.com.au
Sun Jan 25 19:38:33 MST 2004
> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-
> admin at lists.digium.com] On Behalf Of Vic Cross
> Sent: Monday, 26 January 2004 9:31 AM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] Asterisk Indications
>
> On Sun, 25 Jan 2004, Steve Underwood wrote:
>
> > Actually, nothing would use a 17Hz tone - it doesn't pass through a
> > 300-3400Hz channel very well :-)
>
> It's not a 17Hz tone. Australian (and others) tones are single-frequency
> tones that are amplitude-modulated at a second, much lower, frequency.
> The "x*y" notation in indications.conf is supposed to reflect this: for
> example, 400*17 would be a 400Hz tone amplitude-modulated at 17Hz.
So does that mean the second frequency is 400-17 = 383Hz ? I've tried
400+383, but it didn't sound right.
> I posted a few days ago that nothing seems to happen when I specify the
> modulation frequency in my indications.conf -- all I get is the constant
> 400Hz tone. I will try some of the other combinations mentioned and see
> if they produce something more suitable.
I've now settled on my ring tone as being 400+425.
Regards,
Chris Lee
More information about the asterisk-users
mailing list