[Asterisk-Users] CDR - is this possible

[Asterisk]

Would I be able to achieve this:

Outside call to Agent A.
Agent A puts call on hold.
Agent A Speaks to Agent B.
Agent A transfers call to Agent B.

In the cdr, I would like records like

call---->A
A---->B
call---->B

In other words, 3 cdr records. One for initial call to agent a, one for 
agent a to agent B and a final one for call to agent B.

The calls are being transfered using the Cisco 7940 transfer button.

I've looked at the ForkCDR and ResetCDR commands, but cannot see how to 
put them into the call path if the phones are doing the transfers ..

JulianLS