3Com 005699-00 Manual

Also see for 005699-00 -: Installation guide

TROUBLESHOOTING AND H ELP R ESOURCES6-4b. Make sure that the number you’re dialing is an actual V.90 server. Some ISPs mayhave a mixture of V.90 and non-V.90 servers. You can check this by contacting yourISP and asking them about 56K technology or V.90 availability.c. If it is a V.90 server, you may want to try calling it a few more times. Remember, thephone company routes each call in a different fashion each time you place a call. Fortesting purposes, you may want to call into the 3Com BBS at 847-262-6000 or the3Com Macintosh BBS at 847 545 4248, which have V.90 servers attached to them.d. If you are able to connect at V.90 speeds on the 3Com BBS, there may be somethingbetween you and your ISP that is preventing a V.90 connection from beingnegotiated. You may want to contact your ISP and see if they have received similarreports from other customers.e. If you do not make a V.90 connection to our BBS, your line might not be capable ofsupporting V.90 speeds. If that’s the case, then see the next item in this list.f. If you are experiencing consistent problems with V.90 connections (i.e., not making ahigh speed connection, abrupt disconnections, etc.), you can call 3Com TechnicalSupport for U.S. Robotics modems at 847 262 5151.When you try to connect to the Internet, you get a error of “NoDial Tone.”