Asterisk does not support T.38 end to end (you can only use it as pass through). You may want to look at Callweaver (Callweaver.org - a form of asterisk 1.2.X) which does support “end to end” T.38.
Looking to utilize two of the DIDs (out of the 10 of 24 coming in from XO Communications via the T1) for inbound faxes and have these faxes go to a specified email address.
Not looking for outbound fax capability…That is handled via our Copy Machine