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lastmile

join:2007-09-08
Robertsville, MO

reply to Anony_mouse

Re: Bonding?

Not an expert on this but channel-bonding for ISDN is typically when you bond two 64k channels together for 128k ISDN BRI (basic rate interface) using existing phone wires. This is supported by some ISP's for dialup / dedicated ISDN.

I priced this at about $160/month for 128k line and service but I would need a extender from central office thus the higher cost

Not sure bonding two 128k channels is feasible or supported by many ISPs on phone wires. 256k sounds more like a fractional T1 or private-line where you can order certain subsets of b-channels. 256k = 4B (bearer 64k) + 1D (data/signaling) channel.

Google on Fractional T1 -- here is also a link:

»www.att.com/gen/isp?pid=2533#4

I would suspect cost will be higher than ISDN BRI 128K.


Anony_mouse

@direcpc.com

Thanks for the fast reply. I'm unfamiliar with fractional T1, but that seems like a much easier solution. As I understand it the technology is the same, with ISDN being two 64k channels and T1 being 24? I'll look into this a bit more. Thanks for the suggestion.

As for bonding two 128k channels, I can't find much of anything online, so I'm assuming it's rarely practiced, if at all. I'm mostly curious as to how practical it might be, but fractional T1 seems like the road to look to for this.

And yes, it's costly. By my own half current guesstimation, I'd put the cost of two 128k lines at $160+/month and the fractional T1 equivalent at $100/month, with wiggle room for unforeseen costs. An awful lot of money considering the speeds, but c'est la vie. That's rural internet.


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