[asterisk-users] SIP hardware phones

[Jason Parks]

Gotcha! That was my plan. I ran into that exact issue when I was
randomly speed testing a couple of the lines. The computer under test
immediately negotiated to 100Mb and ran just fine, but I know I'm
asking for trouble to keep it that way. I will be forcing all ports
down to 10.

...and thanks for the example. That's good information.

On 2/13/12, Bryant Zimmerman <BryantZ at zktech.com> wrote:
> Jason
>
> A standard SIP VOIP phone will use less than 100k per voice call.  For
> example I have several bussiness customers that have a dedicated DSL line
> and they do up to 6 lines very well on that 1.5x384 (we do g729 which is
> 37k per call). If your networks drops can test solid at 10mb you should be
> in good shape if they do not run solid at 100mb you should force the switch
> port to negoitate to 10mb not 100mb. Make sure the POE switches you are
> looking at allow you to force the port speed this may save you in the long
> run. Also make sure that the POE switch can handle the load and run lengths
> you are looking to put on it.
>
> Bryant
>
> ----------------------------------------
>  BrFrom: "Jason W. Parks" <jason.w.parks at gmail.com>
> Sent: Monday, February 13, 2012 8:32 AM
> To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> <asterisk-users at lists.digium.com>
> Subject: Re: [asterisk-users] SIP hardware phones
>
> Thanks for the info. As we move forward, we'll be testing and making a
> phone selections. No doubt we'll run into this. Are you saying if the
> phone is stated to be a 10/100 phone, it still may not work at 10?
>
> On 2/13/2012 1:32 AM, Benny Amorsen wrote:
>> "Jason W. Parks"<jason.w.parks at gmail.com>  writes:
>>
>>> I can move my voice infrastructure to an IP-based one running 10Mbps,
>>> utilize existing wiring infrastructure, with the only cost outlay
>>> being low cost PoE managed switches (48 ports for about a grand), and
>>> it ends up a lot cheaper than upgrading the data network to support
>>> the phones. ...and I can still stay within standard.
>> You can, but not all phones will link up at 10Mbps.
>>
>>
>> /Benny
>>
>> --
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