From: David FAHED (dfahed@xxxxxxxxxxxx)
Date: Sat Mar 03 2001 - 08:40:24 GMT-3
The only way to test that is :
1) Put no VAD in your config
2) make a call between the two phone
3) do not talk
4) Wait for 5 Minutes and make a show interface to verify the BW you use
Redo the same thing with VAD and you will see that you use less
bandwith...
JZ wrote:
> Hi, as hte cisco Doc. said, VAD can save BW in VoIP
> netwoek. In a lab w/ two VoIP routers (c2600 and MC3810)
> phoneA---[c2600] =============[MC 3810]----phoneB
> either applying "VAD" or "no VAD" on interfaces and then
> turn on "deb ip pack detail ".
>
> While make a call w/ or w/o vocie, the output of debug
> shows no diference for the amount of packets
> "s= x.x.x.x, d=y.y.y.y"
> (x.x.x.x and y.y.y.y are the IP of IPv4:<ip address> )
>
> Is there any way to verify the VAD affect ?
> What about the "deb ip udp " or using sniffer , answer
> machine ...?
>
> Thanks,
>
> Jim
> Fri.
>
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