like noted in the previous post, 30 mile ranges are under super optimal conditions. that doesn't take into account anything like urban canyons, etc.
by the way, if the tower can transmit 30 miles, that means that whatever device you are using has to push out a signal that far and I am more then a little reticent about the thought of a radio that can transmit thirty miles sitting on my lap - if ya know what i mean!!
Re:VoIP over the Internet vs. VoIP over provider n
on
VoIP Questioned
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· Score: 1
First things first, we all have to start talking the same language and stop comparing apples and oranges.
First off, there is a big difference between providing IPT (IP Telephony) and VoIP. VoIP is simply the transport of voice as data packets. Every major carrier is doing it these days for long haul (trans or intercontinental). IPT is when you provide dial tone and the sundry services that we take for granted from Ma Bell as well as the newer converged services like unified messaging.
We also end up getting sucked into ridiculous arguements about security, QoS, etc. I deploy IPT for a living and not one of the approx 20k phones that we have deployed to over 20 customers has ridden the Internet in any way shape or form. It's 100% IP traffic over the corporate LAN / WAN. Intersite comms are over customer T's - nothing else is acceptable in the enterprise!
For that reason, security is a non-issue as well. There are the same problems for IPT as there are for any data transitting the network. A hacker is usuallly going to do more damage stealing data that is sitting around then randomly trying to snoop into live calls between end users. Defending against these and other IPT / VoIP attacks is a serious issue, but there are ways to deal with it. Other standard telecom issues are present as well i.e. monitoring long distance and 900 type numbers.
QoS is no joke - but good engineering and a true commitment from the customer to make it happen will usually win that arguement as well.
And as a shameless plug for a company that I love but have NO relationsip with, take a swing by http://www.crystalvoice.com/ - they have got some SLICK technology. I have no idea how it works, but I have tried it over a 56k dialup and it blew me away. I have to guess that someone is going to buy them sooner or later - Cisco, Yahoo, Google??
Done with my rant - c ya.
VoIP access throughout the house.....
on
VoIP Questioned
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· Score: 1
I will be the first to admit that I haven't done much research in this area, but what (if anything) is available on the market to push that VoIP dialtone to the rest of the house? I thought that right now, most VoIP providers were only able to power one RJ 11 off the ATA that they give you to put behind the broadband modem. Yeah, there are new multi-handset phone systems out there but no one wants to buy a new phone "system" just because they get new service - if that becomes a requirement then VoIP @ home will never be more then a passing fancy. As I write this and mull it over (and having ZERO TDM knowledge) I would think that you would need to run wiring from the VoIP demarc device to the main box that your telco lines come into your home from and do some sort of cross-connect there. How else are you going to get that current going across the lines so that they rest of the phones in the house will ring?
Alot of you were poo poo'ing the security blanket feature of a POTS line being up even in a blackout. Yeah, many people have cell service, but it's nice to have old reliable there when the shit hits the fan. I hate the LEC's but they do serve a purpose.
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like noted in the previous post, 30 mile ranges are under super optimal conditions. that doesn't take into account anything like urban canyons, etc. by the way, if the tower can transmit 30 miles, that means that whatever device you are using has to push out a signal that far and I am more then a little reticent about the thought of a radio that can transmit thirty miles sitting on my lap - if ya know what i mean!!
First things first, we all have to start talking the same language and stop comparing apples and oranges. First off, there is a big difference between providing IPT (IP Telephony) and VoIP. VoIP is simply the transport of voice as data packets. Every major carrier is doing it these days for long haul (trans or intercontinental). IPT is when you provide dial tone and the sundry services that we take for granted from Ma Bell as well as the newer converged services like unified messaging. We also end up getting sucked into ridiculous arguements about security, QoS, etc. I deploy IPT for a living and not one of the approx 20k phones that we have deployed to over 20 customers has ridden the Internet in any way shape or form. It's 100% IP traffic over the corporate LAN / WAN. Intersite comms are over customer T's - nothing else is acceptable in the enterprise! For that reason, security is a non-issue as well. There are the same problems for IPT as there are for any data transitting the network. A hacker is usuallly going to do more damage stealing data that is sitting around then randomly trying to snoop into live calls between end users. Defending against these and other IPT / VoIP attacks is a serious issue, but there are ways to deal with it. Other standard telecom issues are present as well i.e. monitoring long distance and 900 type numbers. QoS is no joke - but good engineering and a true commitment from the customer to make it happen will usually win that arguement as well. And as a shameless plug for a company that I love but have NO relationsip with, take a swing by http://www.crystalvoice.com/ - they have got some SLICK technology. I have no idea how it works, but I have tried it over a 56k dialup and it blew me away. I have to guess that someone is going to buy them sooner or later - Cisco, Yahoo, Google?? Done with my rant - c ya.
I will be the first to admit that I haven't done much research in this area, but what (if anything) is available on the market to push that VoIP dialtone to the rest of the house? I thought that right now, most VoIP providers were only able to power one RJ 11 off the ATA that they give you to put behind the broadband modem. Yeah, there are new multi-handset phone systems out there but no one wants to buy a new phone "system" just because they get new service - if that becomes a requirement then VoIP @ home will never be more then a passing fancy. As I write this and mull it over (and having ZERO TDM knowledge) I would think that you would need to run wiring from the VoIP demarc device to the main box that your telco lines come into your home from and do some sort of cross-connect there. How else are you going to get that current going across the lines so that they rest of the phones in the house will ring?
Alot of you were poo poo'ing the security blanket feature of a POTS line being up even in a blackout. Yeah, many people have cell service, but it's nice to have old reliable there when the shit hits the fan. I hate the LEC's but they do serve a purpose.