Re: ADSL and SDSL?

Do you more reliably get the higher bandwidth with SDSL than with > ADSL?

> For example, is the CIR higher with SDSL? > We are a very small business using VoIP and our connection is > ADSL. People have problems hearing us but not the other way around. > We were thinking of switching from ADSL over to SDSL, to see if that > helps. > Robert Anderson

ADSL is asymmetrical -- the downstream speed is usually much faster than the upstream. And adsl is usually cheap (often under $50 per month) 1.5mbps downstream and 128kbps upstream is a pretty standard speed.

SDSL is symetrical -- the upstream and downstream speeds are the same. That is what we have here - 2 sdsl lines, both 1.5mbps upstream and downstream. You pay a premium for that fast upstream speed, tho. It's about $400 a month per line for us.

Reliability is pretty much the same between the two. It's the upstream speed that is the big difference. And the support -sdsl is generally aimed at businesses, so the support people for sdsl providers are more than just script readers.

SDSL is symmetrical -- upload

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T. Sean Weintz
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