[Serusers] From-Tag/Call-id not uniq?

[Arnd Vehling]

Jiri Kuthan wrote:
> Now to provide a complete answer to the question: the values are supposed to
> be unique according to RFC3261 but there is nothing in the world that
> prevents broken implementations to generate invalid non-unique values.
> There are indeed implementations that are broken. To make CDRs as much
> unique as you can, compose the identifier as a triple callid-fromtag-
> totag. Composition of values generated by UACs and UASs significantly
> reduces the chance of not being unique.

Why does the formulation "significantly reduces the chance of not being 
unique" make me nervous? :)

May it be that the "SIP RFC Fathers" neglected the real-word issue of
actually accounting sip-calls a bit? Making accounting dependant on
client side software implementations doesnt seem a basicly good idea
to me.

   :: arnd ::