[asterisk-users] Connecting Legacy Pbx With Asterisk With FXS.

[Sanspareils Greenlans]

Sir,

I am having Asterisk pbx which is running without any problem now i want to 
connect this with Panasonic pbx with FXS port so, if any body want to call 
panasonic users than he will call or vise-versa. i want to connect only two 
extension with Asterisk so, all communication done only on these two line.

what is the process and what is the setting in sip.conf and extensions.conf to 
communicate with Asterisk and Panasonic pbx.

Rajeev.