Guest

Preview Tool

Cisco Bug: CSCvv82191 - Multiple paging/CS serv notific from MME after receiving Ext Serv Req with cause CSFB Reject from UE

Last Modified

Oct 16, 2020

Products (1)

  • Cisco MME Mobility Management Entity

Known Affected Releases

21.16.1.73543

Description (partial)

Symptom:
MME receives SGS-AP-Paging-Request from MSC with Service Indicator - CS call indicator
MME replies back SGS-AP-Service-Request, UE EMM mode - EMM-Connected
MME sends CS-Service-Notification to UE
UE replies back Extended-Service-Request with CSFB Response - CS Fallback rejected by the UE
MME sends again CS-Service-Notification to UE
UE replies back again Extended-Service-Request with CSFB Response - CS Fallback rejected by the UE

Conditions:
CSFB Terminating Call
Bug details contain sensitive information and therefore require a Cisco.com 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
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.