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Cisco Bug: CSCsy84474 - OLC-ACK is not forwarded when Connect received between OLC and OLC-ACK

Last Modified

Jan 27, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(20)T1

Description (partial)

Symptoms: In an H323 IP-to-IP Gateway (IPIPGW), during call setup when the
 OLC-ACK is received after the connect message, the call is not completed and
 the return OLC-ACK is not forwarded by the IPIPGW. The issue is sporadic and
 does not occur all the time.
 
 Conditions: This has been observed on a IPIPGW running Cisco IOS Release
 12.4(20)T1-ES, having an H323 on both sides of the gateway. This only happens
 when the connect message is received before OLC-ACK exchange between the 
 parties is complete.
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  • Status
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