technical info on telephone lines ?making a public payphone

Status
Not open for further replies.

hm_fa_da

Full Member level 5
Joined
Sep 16, 2003
Messages
287
Helped
10
Reputation
20
Reaction score
4
Trophy points
1,298
Activity points
3,217
hi all ;

can you help me find a complete document on how to use telephone line ??

i mean i want to design a public payphone and want to know more about answer pulse , during call pulse , and how much max mA can i use from line power ?....


thanks ...
 

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