[reSIProcate] True uniqeness of Helper::computeCallID()

[David Thompson]

Has anyone had issue with the true uniqueness of Helper::computeCallID().
 
I've used the value returned from this to push about two million calls into cdr records....however I am discovering that some new calls are attaching themselves to old cdr records.......
 
The algorithm used in Helper.cxx is the base64 of md5 of hostname + Random::getRandomHex(8)
 
My guess is there is a good chance that you will get a random number twice.
 
Does anyone have an idea on how this can be improved or a quick code snippet for me to create a truly unique callid? 
 
Thanks in advance,
 
David
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