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dialtone problem

Posted on 1998-09-12
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Last Modified: 2013-12-27
56k acer pci int v.90 w/voice modem appears to be fully installed but when I try to connect there is no dailtone
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Question by:savolink
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14 Comments
 
LVL 10

Expert Comment

by:rbr
ID: 1144907
Some phone connection have no dialtone. Try ATX3 with your modem init string.
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LVL 12

Expert Comment

by:public
ID: 1144908
You probably have a cable problem. Make sure the phone outlet is live, and yhe cord is connected to the phone jack of the modem. Also try another phone cord.
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Expert Comment

by:brookus
ID: 1144909
rbr - That has to be the funniest answer I've ever seen.  Thanks for the laugh.

The only reason for telling the modem not to wait for a dial tone would be if it was fried and couldn't detect one either way (struck by lightning causes this).  All phone lines have a dial tone, that's what makes them phone lines.

savolink -  follow public's suggestion and if no joy, contact Acer for possible defective hardware.  Essentially, treat it as if you plugged a brand new phone into a jack and didn't get a dial tone, what would you do?
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Author Comment

by:savolink
ID: 1144910
I have a 56K acer modem attached to the same phone line and  I am using the same cable. . I am sending this message via the same. Since Win 95 diagnostics suggests the modem is working and Dial up Networking is funtioning properly, the problem has to do with the pentium motherboard and the install or there is a defect in the modem.
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LVL 10

Expert Comment

by:rbr
ID: 1144911
To brooks: Sorry but that's not true. My phone line has no dialtone since I must dial a 0 to get an open phone line.
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LVL 10

Expert Comment

by:rbr
ID: 1144912
Can you give any information about your modem init string, the things you have already tried and about your OS.
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LVL 12

Expert Comment

by:public
ID: 1144913
Motherboard problem is unlikely. What happens when you try more info command in modem properties?
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LVL 1

Accepted Solution

by:
danpaul091498 earned 200 total points
ID: 1144914
This is a common problem. A friend has a laptop with a modem on the board. The Windows finds it and installs the driver. Diagnostics checks out. But when you dial out, you can hear the modem click open but it doesn't dial. The message no dialtone comes back. Irq 5 and resourse 110. If I stick a new card in it works. No matter what I do it won't work. I think the only you can do is return it and get a different one. Try it in dos.
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LVL 1

Expert Comment

by:jdornan
ID: 1144915
It could be that the S6 register is set too short to detect a dialtone try going higher do the following in Hyper Terminal
ATS6=5
ATDT(number)

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Expert Comment

by:CyberTron
ID: 1144916
Lightning...probably fried the coil in the relay that picks up the line or the transistors that drive the relay.  RMA and play dumb.  DOA, etc.

(Cyber)Tron
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LVL 1

Expert Comment

by:jdornan
ID: 1144917
It could be that the relay is fried. To test to see if the modem is detcting line voltage at all go into Hyper Terminal and type
ATZ   <eneter>
ATS0=2  <enter>

Then have some one call the modem. Do you see a ring on the screen?

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Expert Comment

by:CyberTron
ID: 1144918
A better test is to go to Hyper Terminal and type ATH, ATH1, ATH, ATH1, etc and listen for the clicking of the relay.  OR, plug in an extention phone to the back of the modem and do the same.  Most modems today will DISCONNECT the extention line when you pick up the "HOOK".  You should hear the relay "CLICK" easily through the extension phone or any other phone in the house.

(Cyber)Tron
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Expert Comment

by:chandler
ID: 1144919
As you have to dial 0 for presumably an outside line, do you also have call waiting etc on this?  if you do and this results in an intermittant tone the modem will never dial.  You will have to remove this and then dial up.  If not again depending whether you go through an exchange, if it is a particularly old system it just may not be send the correct type of signal, and the card is therefore unable to interpret it.
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LVL 12

Expert Comment

by:Otta
ID: 1144920
> do you also have call waiting etc on this?
> if you do and this results in an intermittant tone
> the modem will never dial.

Use 'ATS6=5' if the intermittent-tone lasts '5' seconds,
or 'ATS6=0' to _NOT_ wait for dial-tone before dialing.
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