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Cisco Bug: CSCta39504 - No media cut through happens after receives PROGRESS(PI=2&8)

Last Modified

Jan 28, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Caller can not hear far end announcement.


H323 to ISDN call on gateway, gateway receives PROGRESS(PI=2&PI=8) from terminating side

H323/SIP --  SBC --(H323)-- AS5400 --(ISDN)-- PGW --(ISUP)-- PSTN -- Operator
                SETUP ----->
      CALL PROCEEDING <-----
                                  -------> SETUP
                                  <------- CALL PROC
                                  <------- ALERT(no PI)
             ALERTING <-----
                                  <------- PROGRESS(PI=2&PI=8)


             PROGRESS <-----
                                  <------- CONNECT                       
              CONNECT <-----
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