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Cisco Bug: CSCuj89723 - VGW crashed with ISDN calls at function LIF_GetPkt

Last Modified

Apr 24, 2020

Products (51)

  • Cisco IOS
  • Cisco 892W Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 881W Integrated Services Router
  • Cisco 881SRST Integrated Services Router
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Known Affected Releases

15.2(3)T1 15.2(4)M4.5 15.3(2)T1.2

Description (partial)

Symptom:
router crash with isdn voice calls.

464176: Sep 21 10:03:20.038:  ISDN-2-ISDN_FATAL  ISDN FATAL ERROR: file ../isdn/lif_common.c, function LIF_GetPkt, message: malloc of PKT failed
464177: Sep 21 10:03:20.038:  ISDN-2-ISDN_EXIT  malloc of PKT faile

Conditions:
misconfig in callmanger CSS and send the unity mwi sync calls to mgcp voicegateway.

Unity -> callmanger -> mgcp voicegateway -> pstn -> calls rejected due unassigned/unallocated # which lead to vgw crashes.
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Bug Details Include

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