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Cisco Bug: CSCub21296 - 79XX phones fail to negotiate DTLS due to random byte generation failure

Last Modified

Dec 17, 2015

Products (34)

  • Cisco Unified IP Phone 7900 Series
  • Cisco Unified Wireless IP Phone 7920
  • Cisco Unified IP Phone 7962G
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone Expansion Module 7914
  • Cisco Unified IP Phone 6961
  • Cisco Unified IP Phone 7941G
  • Cisco Unified IP Phone 7961G-GE
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Known Affected Releases

9.2(3)

Description (partial)

Symptom:
Poor Audio Quality on 79XX phones when using Phone VPN
No DTLS tunnel established between phone and ASA

Conditions:
79XX phones
Using the Phone VPN feature
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Bug Details Include

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