The Herald Reports on a 'box' that lets you use your conventional corded phone on the Vodafone mobile network - eliminating the need for a landline copper connection.
Yes, we now have the ability to get away without a copper line from Telecom - and number portability is obviously a cinch. However do people realise the risks of ditching their landline?
- What happens during a power failure?
- What happens during a cellular network failure?
- What happens during a major disaster? When Power and Cellular both fail?
We all know that the very first thing thats going to keel over is the cellular network. Everyone has one. The minute that we have an [Earthquake|Tsunami|Volcanic Eruption|InsertEmergencyHere] the first thing everyone is going to do is call everyone else on their cellphones.
In the event of a power failure the cellular network will probably operate for as long as the UPS at the local celltower works. Maybe, if it has a Generator, it'll work for a few hours past that. Then, its gone.
Your PSTN Copper-fed phone, on the other hand, draws all its power from the Phone Exchange.
The Phone Exchanges are typically battery and generator backed up, and are held at a very high reliability level by a Telco who is obligated both morally and contractually to keep the 111 system operational, among other things.
Telephony - as a circuit switched network - is a more 'simple' system. Cellular phones have a larger set of dependencies to meet in order for a call to be placed.
... the obvious indication is that the cellular network is more complex. More vulnerable.
So do you really wanna give up your PSTN? Really?
If you do that, don't come to me and ask for me to make a call on your behalf... !
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