[General] what is the value of low & high frequencies for a key in cellphone in other countries

Status
Not open for further replies.

v.s.n.kumar

Member level 1
Joined
Dec 2, 2013
Messages
38
Helped
0
Reputation
0
Reaction score
0
Trophy points
6
Visit site
Activity points
303
what is the value of low & high frequencies for a key in cellphone in other countries

Hi,
we know that in a cell every key has high & low frequency tones(DTMF). can anybody tell, whether these low & high frequencies for each key are same all over the world or not.please explain.
 

Status
Not open for further replies.
Cookies are required to use this site. You must accept them to continue using the site. Learn more…