[VoiceOps] One Way Audio - Frontier Comm (Los Angeles area)

[Glen Gerhard]

Hi Mike,

I think you said that any ICMP packets would be noticed, do you monitor 
the gateway connections as well?

I've seen some devices that send out relatively small TTL values and it 
can result in one way audio that is customer path specific. As mentioned 
before SIP/TLS is not a true VPN and the audio UDP will be hop counted 
across the Frontier network. They should send back an ICMP message when 
they droop the packet.

Just one more thing to check.  Good luck.

~Glen

On 3/10/2024 9:28, Mike Hammett via VoiceOps wrote:
> I haven't been able to attribute it to malice or ignorance yet, just 
> that it happens.
>
>
>
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
>
>
>
> Midwest Internet Exchange
> http://www.midwest-ix.com
>
>
>
> ------------------------------------------------------------------------
> *From: *"Alex Balashov via VoiceOps" <voiceops at voiceops.org>
> *To: *"VoiceOps" <voiceops at voiceops.org>
> *Sent: *Saturday, March 9, 2024 7:57:33 AM
> *Subject: *Re: [VoiceOps] One Way Audio - Frontier Comm (Los Angeles area)
>
> No, it's true, consider me appropriately humbled. I underappreciated 
> the nuance of this issue. I thought we were talking about something 
> closer to the physicality of networks, not packet 
> inspection/filtering/etc.
>
> -- Alex
>
> > On 9 Mar 2024, at 08:11, James Cloos <cloos at jhcloos.com> wrote:
> >
> >>>>>> "AB" == Alex Balashov writes:
> >
> >>> I don't trust last mile networks to reliably deliver SIP calls. I 
> usually end up putting them into VPNs, TLS, etc.
> >
> > AB> VPNs and TLS make last-mile networks more reliable? :-)
> >
> > on the vpn side, wireguard (which runs over udp) certainly does.
> >
> > I imagine ipsec sometimes can, too.  but wg is easier.
> >
> > -JimC
> > --
> > James Cloos <cloos at jhcloos.com>
> >            OpenPGP: https://jhcloos.com/0x997A9F17ED7DAEA6.asc
>
> -- 
> Alex Balashov
> Principal Consultant
> Evariste Systems LLC
> Web: https://evaristesys.com
> Tel: +1-706-510-6800
>
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