HWIC to replace VWIC

Hello,
I have a VWIC-2MFT-E1 card that seems to have gone bad and I am considering replacing it with an HWIC-2CE1T1-PRI card I have in store.
The function of the VWIC card was to create a VoIP trunk between my callmanager express running on a 2811 router and another IP PBX, more like a SIP trunk. Can anyone confirm whether or not this would work?
Regards,
Femi

Ok...so a simple routable FE port would do fine?
The scenario here really is that CallManager Express has a limitation of only being able to configure one SIP trunk and  we really need to have multiple SIP trunks configured coming from the service provider. So the reason we thought to create the multiple SIP trunks on the IP PBX, then trunk between the IP PBX and CME to link both services...
Your thoughts?

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