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  Reply # 441943 21-Feb-2011 14:13 Send private message

Hi, Fax's are made of fibre ....... of the cellulose variety, not glass. But yes VOIP systems if configured to support T.38 will do fax's just fine.

By the way..... what is a fax?

Cyril

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  Reply # 441950 21-Feb-2011 14:59 Send private message

cyril7: But yes VOIP systems if configured to support T.38 will do fax's just fine.


Please tell that to the machine sitting next to me... it's got T38 set up and still won't talk to one of its friends.

cyril7: By the way..... what is a fax?


I was hoping I could forget as well!

D




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  Reply # 442716 23-Feb-2011 12:25 Send private message

cyril7: Hi, Fax's are made of fibre ....... of the cellulose variety, not glass. But yes VOIP systems if configured to support T.38 will do fax's just fine.

By the way..... what is a fax?

Cyril

Think they are a function of laser printers right? But an example of what an old landline or a fixed VoIP system might be used for, not usually part of a mobile phone but should be possible with the right app if you don't expect the printout. Another example of POTS service is the ability to call 111 or the phone company while the power's out or internet down.




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  Reply # 442732 23-Feb-2011 12:57 Send private message

  Another example of POTS service is the ability to call 111 or the phone company while the power's out or internet down.


ONLY because the service providers have built emergency backup power systems. Telecom and TCL have diesel-driven generators at the main sites for emergency power. Cabinets only have battery backups - and historically these systems only protected the voice network, not the data networks.

When battery runs out and diesel goes, so does the phone system. And getting diesel to where it's required when the roads are munted or the buildings are inaccessible is not trivial. Getting diesel driven generators to cabinets is even more work.

We need to rethink this approach in the brave new world of IP, just like the eletricity companies are having to rethink how to generate and distribute power;





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  Reply # 442776 23-Feb-2011 15:01 Send private message

antoniosk:
  Another example of POTS service is the ability to call 111 or the phone company while the power's out or internet down.


ONLY because the service providers have built emergency backup power systems. Telecom and TCL have diesel-driven generators at the main sites for emergency power. Cabinets only have battery backups - and historically these systems only protected the voice network, not the data networks.

When battery runs out and diesel goes, so does the phone system. And getting diesel to where it's required when the roads are munted or the buildings are inaccessible is not trivial. Getting diesel driven generators to cabinets is even more work.

We need to rethink this approach in the brave new world of IP, just like the eletricity companies are having to rethink how to generate and distribute power;


And it will get even more challenging with the move to FTTP, although even centralised phone exchanges don't prevent voice services being knocked out by an earthquake. However, I think VoIP based 4G cell sites will reduce the effect of mobile congestion after major disasters.

While voice is probably the service that's most critical to many users, it still needs power and as active equipment is decentralised it becomes a big issue, imagine the system you would need to monitor and replace 100,000 batteries to keep home ONTs running. I think its basically a yearly site visit for battery tests if you have a fibre switch in your building at the moment.

In other news, I'm not sure if I read previous reports wrong or if Telecom's thinking has developed a bit, but Reynolds vision of a Chorus demerger is recently quoted as "The concept is you are building one national access business that has copper and fibre in it." They still aren't keen to let anyone else run the network but at least Telecom sees the future as fibre to the premises.




Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^

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