Hi Nathan, Are you using Network taps at key points or element agents on each of your servers (or both)? Obviously a lot tougher to do this if the calls are encrypted with TLS or other methods. Side note: seems like the IETF is finally tackling this issue with multiple working groups now (SIPFIX and maybe parts for the new SIP CLF spec)--at least the results of both or either may provide standard specs to the finally capture the data in a standardized, consistent way. Howard Hart Ooma Nathan Stratton wrote:
On Sat, 1 Aug 2009, anorexicpoodle wrote:
For all of you out there with multiple call control elements in your network that might touch a single call, what methods do you use to correlate CDR's across multiple dissimilar platforms (SBC, softswitch, feature servers, LCR etc)?
Only way we found that is 100% is to build network probes that capture all SIP/RTP traffic. This lets us have a wire view independent source of CDRs that we can cross against broadworks, video conference, and other systems.
This system also provides us ladder view of call calls merging all internal and external call legs and provides call quality stats on every call leg.
<> Nathan Stratton CTO, BlinkMind, Inc. nathan at robotics.net nathan at blinkmind.com http://www.robotics.net http://www.blinkmind.com
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