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question about needed FXO card for Cisco 2821 CME

We have a Cisco 2821 router running callmanager express for our secondary location which just had an intergrated T1 installed which provides the T1 with 7 POTS lines broken out to a 66 block.  Will two 4 port FXO cards (VIC2-4FXO) be all I need to add the lines?  Or do I need this card (VIC-4FXS/DID)?
http://www.cisco.com/en/US/products/hw/voiceapp/ps967/products_data_sheet09186a00800a953b.html

If anyone knows a better way to get the POTS lines to the 2821 please advise.
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cambee72
Asked:
cambee72
1 Solution
 
lrmooreCommented:
Yes, you need the FXO cards, not the FXS

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