HOW TO GET TO THE INIT STRING SETTINGS IN WINDOWS95/98 TO DISABLE 56K

1)  Double click My Computer, then double click Dial-Up Networking. (If a Dial-Up Networking folder is not present in My Computer, use this method: From the Start button, choose Programs, then Accessories, then Dial-Up Networking.)
2)  Right-click on your connection icon and choose Properties.
3)  Click the Configure button.
4)  Click the Connection tab.
5)  Click the Advanced button.
6)  Enter the init string in the Extra Settings field.
7)  Click OK to save changes.

56K MODEM DISCONNECT REASONS.

By its nature, 56k is limited to 53k because of voltage restrictions on the line. It is further limited by the quality of the phone architecture (routers, switch boxes, etc.) in your location. Customers report an average of between 46k and 50k speeds.
2.Although V.90 (the latest 56k standard) is theoretically backward compatible with k56flex and X2, in practice this does not seem to be case. For reliability and speed, upgrade your k56flex or X2 modem to the V.90 standard.
3.Our past experience with 33.6k modem connections in Peachland taught us that connections there weren't on par with everyone else's - and that seems to be the case again with 56k.
4.Because 56k is a new technology, you will likely have to download new modem drivers for it, almost as soon as you get it. The delay from when the modem was made to when it was shipped is long enough for there to be several new revisions. In some cases, you might even have to request for a ROM chip update. Most modem manufactures have been reasonable about this, offering these upgrades and bug fixes free.

Dropped Connections
Dropped connections can occur when there is a sharp decrease in line quality during a call. V.34
modems will switch to rates as low as 4800 bps to compensate for these changes. If the loss of quality
is extremely severe, the modem will drop the connection.

Dropped v.FC Connections
V.FC connections can only switch rates down to 14,400 bps. If you connect using v.FC, and line
quality drops below that allowable for a 14,400 connection, the modem will disconnect. If this occurs
frequently for a particular call, you will want to disable v.FC before calling that modem again. A different
modulation protocol (v.32bis, for example), will be established and will allow the modems to switch to
lower bit rates as line quality warrants. If you want to disable v.FC, and your modem's maximum
S-Register settings are in the thirties, send ATS32.1=1 to the modem . If your modem has S-Registers
that go into the fifties, send ATS56.7=1 to the modem.

Remember to return the modem to it’s original configuration after the call is completed by resetting the
modem, or entering ATS32=2 or ATS56=0 depending on the model you have.

Some v.FC modems made by other manufacturers, do not support rate switching. These connections
are more likely to drop. For these calls, you can force a lower connect speed by locking the modem to
a lower link rate via the &N command, or disable v.FC by entering .
Remember to reset the modem or return it to its original configuration after the call is completed
(AT&N0 or ATS32=2/ATS56=0).

3COM / USR  MODEMS V.90 & 56KX2
S58=32 | S32=66  Disable V.90 and leave X2
ATS32.1=1 or ATS56=128  Disables V.90 and X2 (I think)

* Using AT&F1 in the init string automatically enables both protocols.
**Non-U.S. Robotics modems that use x2 generally use the same commands as the Sportster

How to Turn off 56k / How to Fixed Dropped Modems Carriers

When 56k modems have trouble connecting, the best solution is to drop the modem connect speed down to 33.6k, which will usually result in a more reliable connection. An initialization string will do this:

1.Click on the Start button, select Settings, and click on Control Panel.
2.In the Control Panel, double click on Modems. In Modems, click the Properties button.
3.Click on the Connections tab, then on the Advanced button.
4.In "Extra settings," type in the appropriate initialization string (see below).
5.Click OK, and then OK again to save the changes you have made.

Newer v.90 modems with the Rockwell chipset prefer +ms=11 or +ms=v34 for an initialization string, but older modems may require +ms=11,1,, or even +ms=11,1,75,33600,75,33600 instead. For LT WinModems, use -v90=0 s38=0, and for USRobotics modems, use: s32=34 s15=128.

If you have made this change, check out the home page of your modem manufacturer on a regular basis to see if a new driver/update is available for your modem. After you install the new driver/update, try removing the string to see if you can get a reliable connection faster than 33.6!


Other Lucent LT Winmodem Suggestions
Many IBM and Hewlett Packard computers are shipped with Lucent LT Winmodems. There are some adjustments that you can make to ensure that your connection with us is as reliable and speedy as possible. The following will guide you through making these changes.

1.Update your modem to the latest level of drivers (LT Winmodem 5.23).
    if this doesn't solve your problems, then...
2.Click on the Start button, select Settings, and click on Control Panel.
3.In the Control Panel, double click on Modems. In Modems, click the Properties button.
4.Change your Maximum Speed to 57600.
5.Click on the Connections tab, then on the Advanced button.
6.If there isn't a checkmark beside "Use flow control", put one there, then select "Software (XON/XOFF)."
7.In "Extra settings," type in &fx (without the quotation marks).
8.Click OK, and then OK again to save the changes you have made.

OTHER DISABLE 56K MODEM INIT STRINGS

Disable 56K flex
Rockwell Chipsets
at+ms=11,1,300,33600

AOPEN (ASER OPEN) modems:
http://www.aopen-usa.com/tech/addon/modem.htm

+ms=v90,1,75,33600,75,56000
+ms=k56,1,75,33600,75,56000

Lucent Chipsets
S38=0

For Rockwell HFC chips:

V.90 preferred (K56flex will still work)                  +MS=V90
K56flex preferred (V.90 will still work)                   +MS=K56FLEX
Disable V.90 and K56flex, use V.34 (28.8/33.6)    +MS=V34           works with - ACER modems, Works with AOPEN modems

For most Rockwell chips:

V.90 preferred (K56flex will still work)*               +MS=12,1
V.90 only, K56flex and V.34 disabled*                 +MS=12,1,34667,56000
K56flex preferred (V.90 will still work)*               +MS=56,1
K56flex only, V.90 and V.34 disabled*                  +MS=56,1,34000,56000
Disable V.90 and K56flex, use V.34 (28.8/33.6)   +MS=11,1

For Lucent-based K56flex modems that do not also support V.90, add S38=0 to the end of your modem init string.

Enable V.90     -V90=1
Disable V.90    -V90=0

For Venus chipsets (mostly used in external modems):

K56flex only (V.90 disabled)          S109=0
K56flex or V.90*                           S109=1
V.90 only (K56Flex disabled)         S109=2

Others to Try
AT&F+MS=56
AT&F+MS=56S202=32
AT&F1+MS=56
AT&F1+MS=56S202=32

Disable 56k codes:

The three most common disable 56k modems codes:

+MS=V34 

+MS=11,1,300,33600   

S38=0  

* Remember that a Rockwell-based K56flex modem upgraded to V.90 no longer supports K56flex.