Peter Higginson wrote:
>
> You will need a number of SIPP machines (or at least processes – I use 
> Linux myself on which several processes are easy to do).
>
> It depends quite what your other equipment is. Assuming it is some 
> form of CA then what I would do for 100 calls is have three processes, 
> and have “-m 50” in the calling parameters of (a) and (c):
>
> a) do 50 registers to register some users to receive the calls (first, 
> before (b) and (c))
>
> b) start a server to receive the calls (a) registered for
>
> c) start a client to register and make a call for each of 50 users
>
> If you are testing some form of proxy then you can write the server to 
> do the registration and just use (b) and (c) but it does not sound 
> like you are doing that.
>
> In your register, you need to vary the ua name in the To: From: and 
> Contact:. I would use 410x[call_number] or similar where x is 
> different between (a) and (c).
>
> Also “tag=[call_number]” is a bit simplistic. Make sure that your 
> invite and the response have different tags from each other and the 
> registers. “tag=[pid]tkhyexy[call_number]” would be more realistic 
> where you vary the bit in the middle whenever the protocols allows. 
> (The [pid] means if you run the test again you get a different value.) 
> If it is a good RFC 3261 implementation the tag is as important as the 
> Call-ID.
>
> Peter
>

Peter and all,

I think we should change the default SIPp scenarios so that the tag is a 
bit more randomized. What about "tag=[pid]SIPpTag[call_number]"? Any 
other suggestion?

Olivier.

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