[VoiceOps] HPBX over ADSL

Ryan Delgrosso ryandelgrosso at gmail.com
Sun Dec 6 14:42:10 EST 2015


Yes it does.

We are using Obihai phones which support opus as well as soft clients 
for desktop and mobile.

On 12/6/2015 8:33 AM, Colton Conor wrote:
> But doesn't the device at the customer prem have to speak OPUS to get 
> the benefit as well? What devices are you using at the customer prem 
> that speak OPUS? I am assuming you conver back to g711 at the SBC in 
> the datacenter.
>
> On Sun, Dec 6, 2015 at 12:42 AM, Ryan Delgrosso 
> <ryandelgrosso at gmail.com <mailto:ryandelgrosso at gmail.com>> wrote:
>
>     Metaswitch but as its not really media handling it isnt terribly
>     relevant.
>
>     The latest Oracle SBC;s will transcode Opus as will many software
>     platforms (Freeswitch, Frafos, etc)
>
>
>     On 12/5/2015 9:15 AM, Colton Conor wrote:
>>     Ryan,
>>
>>     What voice platform are you using with OPUS?
>>
>>     On Thu, Dec 3, 2015 at 12:42 PM, Ryan Delgrosso
>>     <ryandelgrosso at gmail.com <mailto:ryandelgrosso at gmail.com>> wrote:
>>
>>         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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>>
>>
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>>
>
>

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