[asterisk-doc] Request for Configration details

[prasad sathya]

Hai all,

Iam a newbie to Asterisk.
I want to configure my Asterisk thru Command Line Interface to connect
two internal extensions and two external numbers and calls should
occur between any of the two numbers. Can anybody kindly send me the
configyration details for

extensions.conf anf sip.conf file.. and if anything else needed to
serve my purpose.

A reply word helps me a lot....
Kindly send ur replies to prasad.softy at gmail.com

Thanks
Prasad