[VoiceOps] VoIP Testing

Wed May 24 12:20:47 EDT 2017

We track registration latency of each phone and trunk... its very helpful
to see patterns.

looks like this:

[image: Inline image 1]

Aryn H. K. Nakaoka
anakaoka at trinet-hi.com

Direct: 808.356.2901
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On Wed, May 24, 2017 at 5:40 AM, Lee Riemer <LRiemer at bestline.net> wrote:

> You’ll need to be aware of what level of traffic you’re trying to mirror
> into the Pi.  The onboard NIC is riding the USB bus which you’ll then share
> with the external USB NIC.  If the Pi is receiving too much data, it’ll
> drop packets.  This would appear as an RTP problem even if there isn’t one
> since RTP packets would be lost.  Also consider the packets per second that
> the Pi CPU can interrupt for.  20ms = 50pps
>
>
>
> *From:* VoiceOps [mailto:voiceops-bounces at voiceops.org] *On Behalf Of *Shripal
> Daphtary
> *Sent:* Wednesday, May 24, 2017 9:43 AM
> *To:* Christopher Aloi; Mark Wiater
> *Cc:* voiceops at voiceops.org
> *Subject:* Re: [VoiceOps] VoIP Testing
>
>
>
> Thanks! Going to check it out!
>
> On Wed, May 24, 2017 at 10:42 AM Christopher Aloi <ctaloi at gmail.com>
> wrote:
>
> You can use a USB to ethernet dongle on a raspberry pi to bring up two
> NICs.  I have a VoIP monitor capture node in our lab built this way and it
> works well.
>
>
>
>
>
>
>
> On Tue, May 23, 2017 at 5:21 PM Shripal Daphtary <shripald at gmail.com>
> wrote:
>
> Mark, what type of device are you using as the sensor?
>
> I've been looking for a raspberry pi with two Ethernet interfaces but I
> can't seem to find one.
>
> I'm assuming we need on port for port mirror traffic and one for internet
> access to send the data back to voipmonitor.
>
>
>
> Thanks,
>
> Shripal
>
> > On May 23, 2017, at 3:49 PM, Mark Wiater <mark.wiater at greybeam.com>
> wrote:
> >
> >
> >> From time to time we have some remote clients who are facing voice
> quality issues on their endpoints and I have no real good way of
> troubleshooting or pin pointing the problem.
> > While it's not completely free, I couldn't live without voipmonitor for
> this very use. I install a sensor in the client network on a mirror port or
> on the phone system and get to see exactly what they see, from a voip
> perspective.
> >
> > The collection software is open source but the gui is invaluable.
> >
> >
> >
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