You should setup A2Billing DIDs (Inbound DIDs menu) and then you can forward them to a SIP peer. But it will be a fake DID and it can be simply the username or a range of numbers that you choose. That is the recommanded method on the A2Billing forum I think.
-Bruce > From: ars_k...@hotmail.com > To: asterisk@uc.org > Date: Wed, 2 Jun 2010 20:00:21 +0000 > Subject: [on-asterisk] trixbox/a2billing sip/iax call > > > Hello, > I have installed trixbox 2.6 and a2billing 1.7 and succesfully making calls > from sip phone to pstn using sip trunk, but can not make sip to sip calls for > free/charge, any guru can help here. > Arshad _________________________________________________________________ 30 days of prizes: Hotmail makes your day easier! Enter Now. http://go.microsoft.com/?linkid=9729710