Debugging Tether Problems

variations of "not working"

Unable to maintain a high-speed connection

connections of 21.6kbps or higher shouldn't be considered a problem
Tether currently supports protocols up to V.90
K56Flex and V.90 calls can be problematic

Connections appear to renegoiate frequently

often indicates a line problem

Connection frequently drop unexpectedly

also can indicate line problems
can also indicate modem problems or incompatibility

It's important to remember much of the path Tether calls take is outside MIT control