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Windows 98 : PCMCIA Modem problem Error 630: The computer is not receiving a response from the modem.

Posted on 2001-08-18
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Last Modified: 2013-12-27
[Question also in Wndows 98 Topic 08/15/2001]
Client's machine. Toshiba laptop Satellite 201CT (about 4 - 5 years old). Clone PCMCIA 56k modem. Has been working fine until recently.

When trying DUN:
Error  630: The computer is not receiving a response from the modem. Check that the modem is plugged in, and if necessary, turn the modem off, and then turn it back on.

Phone dialler also doesn't work, BUT I CAN Hyperterm to dial the modem using the AT commands. Proves modem itself does work.

Modem diagnostics are fine. I have checked all the obvious things recommended on the MS KnowledgeBase. Pls don't point me there!

I have replaced the unimodem.drv file, checked no other comms programs installed or running. Since the
modem can actually dial out with Hyperterm, I assume it's not hardware.

Might be Tosh drivers?

Any ideas?
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Question by:gerlis
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12 Comments
 
LVL 12

Expert Comment

by:Otta
ID: 6401908
Reconfigure Dialup Networking to "record/append to a log file"
(in the "advanced" "properties" for the modem).

Then, try to connect, close the connection,
and then cut-and-paste the log-file into E-E.
0
 
LVL 1

Author Comment

by:gerlis
ID: 6402166
Thanks, here it is:

08-19-2001 02:18:31.83 - Initializing modem.
08-19-2001 02:18:31.83 - Send: ATZ<cr>
08-19-2001 02:18:31.92 - Recv: <cr>
08-19-2001 02:18:31.92 - Interpreted response: Informative
08-19-2001 02:18:31.92 - Recv: <lf>
08-19-2001 02:18:31.92 - Interpreted response: Informative
08-19-2001 02:18:31.94 - Recv: OK
08-19-2001 02:18:31.94 - Interpreted response: Ok
08-19-2001 02:18:31.94 - Send: AT &F E0 V1 W2 &D2 &C1 S0=0 -C0 <cr>
08-19-2001 02:18:31.94 - Recv: <cr>
08-19-2001 02:18:31.94 - Interpreted response: Informative
08-19-2001 02:18:31.94 - Recv: <lf>
08-19-2001 02:18:31.94 - Interpreted response: Informative
08-19-2001 02:18:31.96 - Recv: AT &F E0 V1 W2 &D2 &C1 S0=0 -C0 <cr>
08-19-2001 02:18:32.04 - Recv: <cr>
08-19-2001 02:18:32.04 - Interpreted response: Informative
08-19-2001 02:18:32.04 - Recv: <lf>
08-19-2001 02:18:32.04 - Interpreted response: Informative
08-19-2001 02:18:32.06 - Recv: OK
08-19-2001 02:18:32.06 - Interpreted response: Ok
08-19-2001 02:18:32.06 - Send: ATS7=60\T0L1M1\N3-J1%C1"H3\Q3B0N1X4<cr>
08-19-2001 02:18:32.06 - Recv: <cr>
08-19-2001 02:18:32.06 - Interpreted response: Informative
08-19-2001 02:18:32.06 - Recv: <lf>
08-19-2001 02:18:32.06 - Interpreted response: Informative
08-19-2001 02:18:32.15 - Recv: <cr>
08-19-2001 02:18:32.15 - Interpreted response: Informative
08-19-2001 02:18:32.15 - Recv: <lf>
08-19-2001 02:18:32.15 - Interpreted response: Informative
08-19-2001 02:18:32.16 - Recv: OK
08-19-2001 02:18:32.16 - Interpreted response: Ok
08-19-2001 02:18:32.16 - Send: AT+MS=V34<cr>
08-19-2001 02:18:32.17 - Recv: <cr>
08-19-2001 02:18:32.17 - Interpreted response: Informative
08-19-2001 02:18:32.17 - Recv: <lf>
08-19-2001 02:18:32.17 - Interpreted response: Informative
0
 
LVL 12

Expert Comment

by:Otta
ID: 6402499
There should have been an 'ATDTxxxxxxx'
somewhere in that file ?!?!
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LVL 12

Expert Comment

by:Otta
ID: 6402508
Cross-reference to your other question:

http://www.experts-exchange.com/jsp/qShow.jsp?qid=20169147

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LVL 12

Accepted Solution

by:
Otta earned 200 total points
ID: 6402516
> Send: AT+MS=V34<cr>

Hmmm.  Do you have any "extra settings" configured,
i.e., to tell the modem to use V34 (maximum 33600 speed)
protocol, instead of V.90 protocol ?
0
 
LVL 1

Author Comment

by:gerlis
ID: 6403849
Interestingly after Otta told me to set a log file I noticed that it had  AT+MS=V34

in the Extra Settings, the client had mentioned something about their ISP telling them to add this (Otta you saw this from the log file, too). I removed it, tried re-dialling, same error. Re-booted, and lo and behold, machine now dials and connects to the internet.


However and peculiarly, Phone Dialer still doesn't work.
0
 
LVL 1

Author Comment

by:gerlis
ID: 6403853
Phone Dialer is not crucial, at all, but it displays a Windows Telephony error.

The points are almost yours, as you certainly pointed (pun intended!) me in the right direction.

However, if you could shed some light on the origin, or why Phone Dialer is misbehaving, it'll help me.

Thanks

0
 
LVL 12

Expert Comment

by:Otta
ID: 6403977
> it displays a Windows Telephony error.

... and the exact text of the error-message is ???

Hint: type that exact message into the input-area
on the web-page at http://WWW.Google.com
and click on "submit", to see what others have done,
when they've had the same problem.
0
 
LVL 1

Author Comment

by:gerlis
ID: 6404252
>> it displays a Windows Telephony error.

>                     ... and the exact text of the error-message is ???

"Windows Telephony was unable to complete an operation requested by Phone Dialer. Quit and restart Phone Dialer"

I'll paste the same in google as you suggest and see what comes up...watch this space...
0
 
LVL 1

Author Comment

by:gerlis
ID: 6404409
Not very much on google I'm afraid. A few items, but nothing very helpful. However they all point or imply modem driver driver problems.

I think I may re-install/update them.

0
 
LVL 12

Expert Comment

by:Otta
ID: 6404639
> they all point ...

One exception:

http://support.microsoft.com/support/kb/articles/q254/2/59.asp 

states: Phone Dialer is not set to use the installed modem by default.

You don't have multiple modems configured/installed???
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LVL 1

Author Comment

by:gerlis
ID: 6406012
They did, but I removed the other one. I will double-check though to make sure there is nothing confusing it.
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