KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q131193: Carrier Tone Heard But Modem Loses Connection

Article: Q131193
Product(s): The Microsoft Network
Version(s): 2.6,5.0,5.1,5.2
Operating System(s): 
Keyword(s): kbenv kbmsnkbfaq
Last Modified: 21-MAR-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- The Microsoft Network versions 2.6, 5.0, 5.1, 5.2 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you attempt to connect to The Microsoft Network, you hear a carrier tone
but after 15 or 30 seconds the modem may lose the connection.

CAUSE
=====

The S7 register, which controls the amount of time the modem waits for a
carrier, probably does not have a sufficient value for the modem to recognize a
compatible carrier issued by the remote modem.

RESOLUTION
==========

Set the S7 register to a value of at least 60. To do so, use one of the
following methods:

Method 1
--------

1. Click Start, point to Settings, and then click Control Panel.

2. Double-click Modems.

3. Click the modem you use to connect to MSN, and then click Properties.

4. Click the Connection tab.

5. Select the Cancel the call if not connected within <n> secs" check box,
  where <n> is the number of seconds, and then type 60 in the Secs box.

6. Click OK, and then click Close.

7. Close Control Panel, and then restart the computer.


Method 2
--------

Configure the modem to wait at least four seconds for the carrier after dialing
the MSN access number. To do this, follow these steps:

1. Right-click the MSN icon on the desktop, and then click Connection Settings.

2. In the Phone Number box, type four commas after the primary MSN access
  number.

3. In the Backup Number box, type four commas after the backup MSN access
  number.

4. Click OK.

Additional query words: msnet msnetwork microsoft-net m.s.n. kbimu

======================================================================
Keywords          : kbenv kbmsn kbfaq
Technology        : kbMSNSearch kbMSN520 kbMSN510 kbMSN500 kbMSN260
Version           : :2.6,5.0,5.1,5.2
Issue type        : kbinfo

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 1986-2002.