I'm gonna butt in on this thread here a bit...I'm looking to have my handsets ring in a UK tone.
I found this somewhere searching for tone sequences and it seems to have what I'm looking for, but I don't know what to do with the info I found.
Is this helpful::
[general]
country=uk
[uk]
description = United Kingdom
ringcadence = 400,200,400,2000
dial = 350+440
specialdial = 350+440/750,440/750
busy = 400/375,0/375
congestion = 400/400,0/350,400/225,0/525
specialcongestion = 400/200,1004/300
unobtainable = 400
ring = 400+450/400,0/200,400+450/400,0/2000
callwaiting = 400/100,0/4000
specialcallwaiting = 400/250,0/250,400/250,0/250,400/250,0/5000
creditexpired = 400/125,0/125
confirm = 1400
switching = 400/200,0/400,400/2000,0/400
info = 950/330,0/15,1400/330,0/15,1800/330,0/1000
record = 1400/500,0/60000
stutter = 350+440/750,440/750