[asterisk-dev] Need your help to use TDM(Hardware) in Asterisk

[Viswanathan]

Dear Developers,
          Currently Asterisk has full control from user OFF-HOOK till 
ON-HOOK(Data's are transmitted from caller to receiver through Asterisk 
and vise versa) through software. But what I planned is to put a TDM 
switch. when a external ring arrives it will interrupt Asterisk. 
Asterisk will check for the extension to connect and it will pass 
appropriate commands to TDM Driver which will establish a connection 
between caller and receiver in TDM. Now further data transfer occurs 
through TDM. So can some one help me, what are the files which are to 
modified to do this.

Regards,
Viswanathan T