chetnik
24-04-2003, 02:26 PM
hello,
can some confer if the the 12khz tone is how phone calls are charged (by the phone sending a 12khz tone down the line every 30 secs or more if a long distance call) i know most networks use 12khz tones to get the charge rate but, and if so is it software based or hardware based? on a GSM network..
cheers chetnik....
can some confer if the the 12khz tone is how phone calls are charged (by the phone sending a 12khz tone down the line every 30 secs or more if a long distance call) i know most networks use 12khz tones to get the charge rate but, and if so is it software based or hardware based? on a GSM network..
cheers chetnik....