[Asterisk-Users] Setting Account Code?

[Matt]

	5264		0	9/9/2005 2:36:00 PM	"""CALLERIDNAMEHERE""
<570xxxxxxx>"	570xxxxxxx	570xxxxxxx	from-internal	Local/570xxxxxxx at from-internal-1343,2	Zap/2-1	ResetCDR	w	10	3	4	3	
                   	1126290965.326

When forwarding a call (via a SIP forward responce) This is my call
data record ^^^^^

My question is.. how can I get this to link to the original account
that made the forward (for billing and tracking purposes?).. either
via account code or by some other means.