Basic Traffic Analysis - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

08-22-2004, 07:28 PM

Hi Guys,

Can anyone send me the copy on how to determine how many trunks needed on a certain traffic or CCS.
I'v been looking into avaya web but no luck to find. I'm truly having a big headache on my trunks.

thanks guys.

johnmc · 08-23-2004, 09:31 AM

You can use ASA or DSA Trunk analysis tool to tell you, just setup ASA to dial into your switch nightly and pull the information and in a couple of days you can get an acurate pickture of how many trunks you need to have to maintain a certain Grade of Service.

08-24-2004, 11:29 PM

Yes i have done this already.
What i need is the table on how to compute needed trunks?

thanks guys.

jgabasa · 09-29-2004, 05:47 PM

Use the erlang table. 36 CCS = 1 erlang (telco companies have this)

you also need to establish the the GOS or the Grade of Service, this is the acceptable blocking/delayed rate based on the total no# of incoming calls.

if your going to have the actual computation, you'll definitely have a hard time looking for the formula.

if you can't get a erlang table, suggest you use this;

http://www.dcss.mcmaster.ca/~qiao/pu...newerlang.html

just input the erlang value and GOS.

Hope this will be of any assistance to you.

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