[VoiceOps] HPBX over ADSL

Colton Conor colton.conor at gmail.com
Sat Dec 5 12:15:06 EST 2015


What voice platform are you using with OPUS?

On Thu, Dec 3, 2015 at 12:42 PM, Ryan Delgrosso <ryandelgrosso at gmail.com>

> Hi Anthony,
> We do this pretty frequently with a high success rate. It really depends
> on the site size and usage patterns.
> A couple of things to keep in mind:
>    1. If its a 1-2 user remote office the service profile is realy no
>    different than a residential user. Deploy accordingly.
>    2. For higher user density sites we usually will deploy some kind of
>    edge router (edgemarc / simplewan etc). A small amount of QOS at egress
>    goes a long way on asymmetrical connections.
>    3. Abandon G711 where possible for a FEC codec (Opus is my weapon of
>    choice). A tiny amount of packet loss or jitter on Opus makes zero
>    difference. A larger amount of packet loss, which would generate clicks and
>    pops on G711 will not be as noticable over Opus (and still sound superior
>    to most cell conversations. If necessary transcode at edge to support this.
>    4. Abandon standard ports. This is really more about avoiding
>    psuedo-intelligent ALG's in the path for the 1-2 user sites.
>    5. Be reasonable. Nobody is going to (ok some will try but it should
>    be advised against) run a 200+ user shop on adsl.
> I'm happy to discuss in more depth offline if you have specific questions
> -Ryan
> On 12/2/2015 2:25 PM, Anthony Orlando via VoiceOps wrote:
> Is anyone having success deploying HPBX over DSL?  Not service providers
> that own the plant but those of you using another providers DSL.  Have you
> been successful?  If so what were the engineering guidelines you used?
> What were the tolerances you used?  Any feedback would be very welcomed.
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