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Cisco Bug: CSCtb70854 - Phone hangs when receiving malformed SIP packets

Last Modified

Jun 30, 2015

Products (4)

  • Cisco Unified IP Phones 9900 Series
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 8961
  • Cisco Unified IP Phone 9971

Known Affected Releases


Description (partial)


Phone hangs after receiving malformed packets.

This occurs during internal testing.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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