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Cisco Bug: CSCvu69055 - Background IPC changes for UBR in PDU modification and CBR in WIFI to LTE and viceversa

Last Modified

Oct 13, 2020

Products (1)

  • Cisco Wireless Mobile Application

Known Affected Releases

2020.2 2020.3

Description (partial)

Enhancement to incorporate the Background IPC changes

Symptom:
CN-SMF is not handling CBReq/MBReq Collision scenario, leading to Voice Call failure.

Conditions:
1) LTE Session - CBReq/MBReq Collision scenario
       CN-SMF is waiting for CBResp for initiated CBReq
       CN-SMF is unable to process MBReq as waiting for CBResp.

2)  WiFi-LTE HO - CBReq/MBReq Collision scenario
      CN-SMF is waiting for CBResp for initiated CBReq
      CN-SMF is unable to process MBReq.
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