[Freeswitch-users] BW estimation for VoIP trunk

[Anthony McGarry]

So depends on your perspective and what your planning. Can be as complex as your solution

Have a look at this for basic IP calculations.
http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080094ae2.shtml

And here for ISDN trunks
http://www.had2know.com/technology/erlang-b-calculator-formula.html



On 24 Jul 2013, at 20:50, "Adelia C." <hexade at hotmail.com> wrote:

> Need help estimating BW needs. 
> This is by far the most helpful forum I use so I am turning to you, good
> people of Freeswitch. I posted elsewhere with no success.
> 
> Is there a site or book you found helpful for your estimates? I found a few
> sites/formulas but no "tutorial" on how to get from the info I have (mainly
> MOU, max. concurrent sessions, codec, average call duration, usual day/week
> traffic pattern) to an actual BW number.
> Where do I start? Am I asking the wrong question, do I use wrong parameters? 
> 
> 
> 
> 
> 
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