[cisco-voip] connecting BRI U interface to BRI S/T interface

[anand]

Hi,

I have ISDN BRI U interface card installed on adtran atlas 550 and ISDN BRI
S/T inteface cards installed on cisco 3845 routers.

Can someone help me whether i need any NT1 device since i am connecting
U--S/T interface .By the way i am using adtran as CO.


thanks,
andy
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