Analogue line, modem and call-waiting-tone
Formerly we were bound to an exchange of the
German Telekom by one legacy analogue
line
and had call-waiting-tone let enabled. When you called us, while we were
currently talking with somebody else, the exchange told us by call-waiting-tones,
that another one wanted to get connected to us.
Configuration of T-Online
A call-waiting-tone would jam a modem connection.
There is a built in "number for disabling hold" in the Dial-up connection.
But this function does not hang up between disabling hold and dialling
as expected by the exchange of German Telekom. Therefore I had substituted
the T-Online software from my provider in my start menu by batch files
like these for Windows 95, which temporarily also terminated the Trans-Send
Fax software using the
Close
program:
@echo off
start /wait /min Close "Trans-Send Fax"
start /wait /min ComOut COM1 ATL1DT#43# 7
start /wait Online
start /wait /min ComOut COM1 ATL1DT*43# 7
start /min TsFax\Receive
or for the Dial-up connection of Windows:
@echo off
start /wait /min Close "Trans-Send Fax"
start /wait /min ComOut COM1 ATL1DT#43# 7
start \\Dial-up connection\T-Online
start /wait /min WaitDlg "connected
to T-Online"
start /wait /min WaitTerm "connected to T-Online"
start /wait /min Sleep 10
start /wait /min ComOut COM1 ATL1DT*43# 7
start /min TsFax\Receive
Explanation
The Modem connected to COM1
given the command
ATL1DT#43# dialled the number
#43#and thus controlled the exchange, so that
it should no more send call-waiting-tones.
7
seconds later ComOut
hung up the line and terminated. The batch waited until then, launched
T-Online and waited until it terminated. In
order to allow call-waiting-tones after terminating T-Online, I had to
dial the number *43#. /wait will not give
the expected result in a Dial-up connection. Instead I used the programs
WaitDlg
for suspending the batch first until successfully being connected and then
WaitTerm
for suspending the batch until the ending of the Dial-up T-Online
connection.
Sleep
waited 10 seconds for the DLLs to free
the modem.
Last update on this page: August 30th 2004