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Bug 7326 - can't dial isdn number with leading 0
can't dial isdn number with leading 0
Product: Red Hat Linux
Classification: Retired
Component: isdn4k-utils (Show other bugs)
i386 Linux
medium Severity high
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Assigned To: Florian La Roche
Depends On:
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Reported: 1999-11-25 07:16 EST by Dennis Schijff
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2000-02-10 11:23:05 EST
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Regression: ---
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RHEL 7.3 requirements from Atomic Host:
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Description Dennis Schijff 1999-11-25 07:16:05 EST

When you are in a telephone network you'l have to dail a zero for outgoing
calls. When a configured a isdn ppp connection the telephone number was 0
2301333. Linux does not seem to support this. And so I could not establish
a connection.

I am running the Gnome window manager. And I configured the ppp connection
in "linuxconf" I was using the "Modem Lights App." and I selected isdn in
that app.


Dennis Schijff
The Netherlands
Comment 1 Riley H Williams 1999-11-28 18:00:59 EST
When you say "When you are in a telephone network", do you mean "When you are
using a private exchange unit" (aka PABX) ? If so, check that it is "0" that you
have to prefix the number with, as in my experience, it's usually "9" that has
to be used as a prefix in Europe - I assume that .nl is Netherlands ???

If you instead mean "When you wish to call a non-local number" (the other likely
interpretation of your comment), note that what has to be dialed depends on what
country you are in, even within Europe.

If you mean something else, please clarify your comments.
Comment 2 Michael K. Johnson 1999-11-30 10:49:59 EST
Try using rp3-config to configure your PPP connection and see if it
works better.

I can't imagine why a leading 0 would be stripped, as it's treated
as a string not a number, but I'd be interested to know.

A leading 0 is quite common in the US when dialing calls that are
charged to a "calling card" so if this were really a software
problem, I would have expected to hear about it before.
Comment 3 Nalin Dahyabhai 2000-02-10 10:41:59 EST
ISDN links use a different, modified pppd called ipppd.
Comment 4 Florian La Roche 2000-02-10 11:23:59 EST
please use the new isdn configuration tool from
ftp://people.redhat.com/laroche/config-tool/ to
configure your ISDN networking.
0 shouldn't be the problem for not getting the connection.

can yu please email the output from /var/log/messages
that shows how the kernel dials? That should show what
the real problem is.

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