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Cisco Bug: CSCur75502 - Wrong DSCP marking for 100 Try, 180ring, 200ok in SIP signalling traffic

Last Modified

Feb 24, 2018

Products (8)

  • Cisco Unity Connection
  • Cisco Intercompany Media Engine
  • Cisco Business Edition 5000 Version 9.1
  • Cisco Unity Connection Version 9.1
  • Cisco Unity Connection Locale Installer
  • Cisco Unified Communications Manager Version 9.1
  • Cisco Business Edition 6000 Version 9.1
  • Cisco Unified Communications Manager Session Management Edition

Known Affected Releases

8.6(2)ES99 9.1(2)

Description (partial)

Some of SIP packets going with wrong DSCP marking (using AF31) while CUCA setting for"Differentiated Services Code Point (DSCP) value for call signaling connections" is set as CS3 (binary 24). The SIP packets going with wrong DSCP marking are "100 Trying", "180 Ringing", "200 OK" etc.

Applicable for SIP packets
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Bug Details Include

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  • Status
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