alternative to voip gateways

Mon May 11 00:57:37 UTC 2020

indeed, otherwise thats making the data the critical compnent and
voice an add on extra which is not whats going no here :)

On 5/11/20, Mike Hammett <nanog at ics-il.net> wrote:
> If POTS last mile is available, why complicate it with VoIP?
>
>
>
>
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
>
> Midwest-IX
> http://www.midwest-ix.com
>
> ----- Original Message -----
>
> From: "Baldur Norddahl" <baldur.norddahl at gmail.com>
> To: "Nick Edwards" <nick.z.edwards at gmail.com>, nanog at nanog.org
> Sent: Sunday, May 10, 2020 8:23:36 AM
> Subject: Re: alternative to voip gateways
>
>
> Hi Nick
>
>
> Have you considered using CPE DSL routers with VoIP and FXP analog out?
> Decentralized. That's what everyone are doing here. Might be free depending
> on where you get the CPEs.
>
>
> Or simply getting VoIP handsets. Lots of cheap DECT bases with VoIP.
>
>
> Regards
>
>
> Baldur
>
>
>
>
> søn. 10. maj 2020 14.51 skrev Nick Edwards < nick.z.edwards at gmail.com >:
>
>
> On 5/8/20, Baldur Norddahl < baldur.norddahl at gmail.com > wrote:
>> On Thu, May 7, 2020 at 11:14 AM Masataka Ohta <
>> mohta at necom830.hpcl.titech.ac.jp > wrote:
>>
>>>
>>> Investment for FTTH is 10 times or more than that for plain DSL.
>>>
>>>
>> We are assuming the copper plant is already there otherwise I will
>> respectfully disagree.
>>
>> However the economic is not as simple as you might think. Lets do some
>> calculations.
>>
>> Assume we can build the fiber plant for 1 million USD (*). This fiber can
>>
>> be depreciated over 25 years. That means we only take USD 40,000/year of
>> the company profit.
>>
>> The copper plant is already there but the DSLAM is missing. Assume USD 100
>>
>> per port plus USD 100 per DSL CPE. This equipment can only be depreciated
>>
>> over 5 years. With 1700 ports this gives USD 68,000/year of the company
>> profit.
>>
>
> a 48 port dslam is 2200 (still awaiting cots on line cards for above
> mentioned chassis) so its about 45 per port, CPE is about 50 a device
> in bulk (inc 4 gb ports, wifi)
>
> The copper exists, there is no ripping it out
>
> Due to location RF links are used for data, so no need to give each
> cabin "future proof" since unless a carrier will run fibre to us for
> 100's miles at their cost - it just aint happenin, the cost is
> extremely prohibitive.
>
>> Not claiming these number are anything but fantasy as I know nothing about
>>
>> the layout of the project. Just illustrating that sometimes more money now
>>
>> does not necessary means less profit for a company.
>>
>> (*) yes 1700 installs could be done for that in optimum circumstances. It
>>
>> could also be much more expensive, all depending.
>>
>> Regards,
>>
>> Baldur
>>
>
>
>
>