ataboy,
I'm not totally sure I understand peering, but if you're talking about the SipBroker peering here:
SIPBroker - Provider White Pages
Would it not be possible to divert Voipfone directly to Voxalot (skipping the FWD step) by diverting to *031<yourvoxalotID> ?
To be honest I didn't realise it was possible to divert Voipfone to a SIP number like this...
Rgds,
Ben