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Cisco Bug: CSCum30814 - SIP GW sends incorrect SIP INVITE: --uniqueBoundary not closed properly

Last Modified

Apr 24, 2020

Products (102)

  • Cisco IOS
  • Cisco 881SRSTW Integrated Services Router
  • Cisco AS5400XM Universal Gateway
  • Cisco 861W Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 1803 Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
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Known Affected Releases

15.1(4)M3

Description (partial)

Symptom:
When SIP Gateway sends INVITE to CVP, no response is received and call fails. CVP logs report the following error:

CVP_9_0_SIP-3-SIP_CALL_ERROR   Exception in invitation: com.dynamicsoft.DsLibs.DsSipParser.DsSipParserException: No closing boundary found. for INVITE:

Conditions:
This symptom is observed in the call Flow:
PRI - > Ingress GW >> SIP >> CVP 

IOS: 15.1.4M3
CVP: 9.0.1
SIP Profiles applied to outbound dial-peer or globally with SDP header rule manipulation, regardless of whether the rule is applicable to the message or not.
"signaling forward unconditional" configured under 'voice service voip' or inside the dial-peer

SIP Gateway sends incorrect SIP INVITE when "Content-Type: application/x-q931" has to be tunneled. The "--uniqueBoundary" is not properly closed causing interoperability issues with CVP. 

--uniqueBoundary
Content-Type: application/x-q931
Content-Disposition: signal;handling=optional
Content-Length: 48
                                                                                                                                                                      ^B^AI^E^D^B^@^P^X^Da^@^C^B ^B.........................................................................................................................................................................................................................................................................................................................
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