alternative to voip gateways

Nick Edwards nick.z.edwards at gmail.com
Mon May 11 00:56:37 UTC 2020


yes, POTS is the critical bit, the internet/data is an extra without
guarantee, ie it is not a critical component, voice is.

On 5/10/20, Baldur Norddahl <baldur.norddahl at gmail.com> wrote:
> 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
>> >
>>
>



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