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Cisco Bug: CSCsy85375 - Interop issue between V.92 modem in 1810 with PVDM-xDM w/ V.44

Last Modified

Jan 24, 2017

Products (31)

  • Cisco 3800 Series Integrated Services Routers
  • Cisco AS5400XM Universal Gateway
  • Cisco 888W Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco AS5350XM Universal Gateway
  • Cisco 881W Integrated Services Router
  • Cisco 881SRST Integrated Services Router
  • Cisco 2821 Integrated Services Router
  • Cisco IAD888W Integrated Access Device
  • Cisco IAD2430 Integrated Access Device
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Known Affected Releases

12.4(15)T1 12.4(22)YB

Description (partial)

Symptoms: The asynchronous interface of the V.92 modem in a Cisco 1800/890
series router reports input CRC and abort errors when connected with a PVDM2-DM
modem module and using V.44 compression. This issue can cause data packet loss.

Conditions: This issue occurs when a V.92 modem which is built in a Cisco
1800/890 series router connects to PVDM2-xxDM modems and is connected with V.44
compression. If V.44 compression is not negotiated, this issue will not occur.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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