As a suggestion I would check for the overheads sizing at page 33 of QoS SRND and for the formulas I would check UCM7 SRND page 134 HTH Daniel
On Sun, Aug 15, 2010 at 1:44 AM, Stutz, Bernhard <st...@pandacom.de> wrote: > Hi, > > that's what i found at proctorlabs solutions. That's why i am asking, i > want to know for sure how to calculate these values. > > cheers, > Bernhard > > ------------------------------ > *Von:* Trying 2nd CCIE [mailto:dukelon...@gmail.com] > *Gesendet:* Sa 14.08.2010 15:41 > *An:* Stutz, Bernhard > *Cc:* OSL Group > *Betreff:* Re: [OSL | CCIE_Voice] QoS bandwidth calculations > > Hi, > > What about the default 10ms sampling rate? What is the calculation formula? > > Thanks and Regards, > John > > On 14 August 2010 21:36, Stutz, Bernhard <st...@pandacom.de> wrote: > >> Hi, >> >> Has somebody found an overview of actual bandwidth consumption including >> L2 overhead per packet? >> >> What i know so far is following: >> >> all at 20ms sampling rate >> When FRF.12 LFI and RTP: >> L2 (FR) = 7 bytes >> IP/UDP/RTP = 40 bytes >> ilbc codec =38 bytes >> >> When FRF.12 LFI and cRTP: >> L2(FR) = 7bytes >> IP/UDP/RTP = 2bytes >> G729 codec = 20 bytes >> >> when MLP LFI and cRTP: >> L2(FR) = 9bytes >> IP/UDP/RTP = 2bytes >> G729 codec = 20 bytes >> >> >> cheers, >> Bernhard >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > >
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