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Cisco Bug: CSCsg35002 - DSP reset during long duration call

Last Modified

Jan 24, 2017

Products (38)

  • Cisco AS5400XM Universal Gateway
  • Cisco Catalyst 6500 Series Communication Media Module
  • Cisco 1803 Integrated Services Router
  • Cisco 1812 Integrated Services Router
  • Cisco VG224 Analog Voice Gateway
  • Cisco 878 Integrated Services Router
  • Cisco AS5350XM Universal Gateway
  • Cisco 7301 Router
  • Cisco 7206 Router
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Known Affected Releases

12.4 12.4(11)T1 12.4(12) 12.4(8a) 4.4(21)DSP

Description (partial)

DSP resets or Loss of voice path during a long duration call.

The topology is:

OGW --- IPIPGW/Transcoder --- TGW

Codec on OGW is iLBC
Codec on TGW is g729b

If the call is left in active state for a few hours, 7-8 hours or so, voice path is dropped and on 5400 platform dsp reset is seen on the IPIPGW/Transcoder.
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