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Cisco Bug: CSCut39017 - Remove DC from NIM-4FXO or VIC2-4FXO

Last Modified

Jan 23, 2019

Products (1)

  • Cisco 4400 Series Integrated Services Routers

Known Affected Releases


Description (partial)

Hissing noise can be heard prominently on .rin.  The hissing noise is consistent while the called party is not yet answering then it comes in and out on the entire conversation. It can be heard most of the time when calling party is not talking. "No vad" and "no comfort noise" are configured on the voice port and VOIP dial-peer.  This was experienced by the customer on his environment and was replicated at Cisco lab. There is a POTS line connected to NIM-4FXO or VIC2-4FXO

with POTS line connected to NIM-4FXO or VIC2-4FXO
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