Cisco 1721 Dropping Connection

Hello:

Hope some one has an answer to this or can direct me in the right direction.
We lost our 1720 router a few weeks back (memory problems) and I replaced it
with a cisco 1721. I utilize a single WIC-1ENET card in WIC slot 0 for my
WAN connection. I configured it and it works 99% of the time. However I will
come in some mornings and the connection between our phone box (Intregal
Access Outburst-SB for VOIP) and our cisco is down. I must reboot the cisco
to get the circuit going again. Below is a description of our setup.

T1----Integral Access Outburst-SB-10/100 outport - crossover cable - cisco
1721wic0- cisco 1721 fast etherneto-straighthru cable-3com 24port
switch-servers

I am not the most IOS knowledgeable guy but I attempted to setup the new
router just like the old one - it is routing traffic so I assume that is
correct. The 1721 was a refurbished model with IOS 12.4 installed. The WIC0
card was brand new and the crossover cable is brand new as well. Any
thoughts on what might be wrong or logs I could check?

Thanks,
David H


.

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