[VoiceOps] Easy ways to measure PDD

Alex Balashov abalashov at evaristesys.com
Tue Apr 21 15:50:55 EDT 2015

Our practice suggests that it's perfectly safe to measure time 
difference between processing of initial INVITE and either (a) non-100 
1xx response (either 183+SDP or 180) or (b) final affirmative answer (2xx).

-- Alex

On 04/21/2015 03:45 PM, Calvin E. wrote:

> Regarding the other discussion of what PDD is in SIP signalling versus
> real human experience, it all depends what you're looking for and how
> you're willing to find it.

Alex Balashov | Principal | Evariste Systems LLC
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United States

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