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Cisco Bug: CSCul71955 - DSP invocation failed with multiple switchovers

Last Modified

Sep 19, 2017

Products (13)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco ME 3600X-24FS-M Switch
  • Cisco ASR 901-4C-F-D Router
  • Cisco ASR 901-6CZ-FT-D Router
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Known Affected Releases

15.3(2)S

Description (partial)

Symptom:
when we do multiple switch overs (while call is not active), cube is not invoking transcoder for DTMF or codec mismatch

Conditions:
1. Make call with callflow mentioned above & make sure transcoders gets inserted. Disconnect the call.
   Logs for this: dsp_issue_log.txt , dsp_issue_rtrA.txt
   Do reload on router-A now.
2. Make call again with callflow mentioned above & make sure transcoders gets inserted at router-B. 
    Disconnect the call. 
    Logs for this: dsp_issue_rtrB_logs.txt , dsp_issue_rtrB.txt
    Wait for router-A to come up properly & do reload on router B.
3. Make call again with callflow mentioned above. Now the transcoder will not get inserted & no voice
    Logs : dsp_issue_rtrA_stby_logs.txt , dsp_issue_rtrA_stby.txt
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