Preview Tool

Cisco Bug: CSCtc49712 - CUCM SIP trunk traffic on an unexpected port

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

CUCM is not using port 5060 for the source port of UDP SIP messages.

Another device initiates a SIP UDP message using source port 5060 and destination port 5060.  CUCM is expected to reply with a response using source port 5060 and destination port 5060.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.