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Host-Based Controller Modem Data Addendum
AT Command Set June 15, 1998
AT Commands for Homologation Testing and Debugging (continued)
Lucent Technologies Inc. Version 1.0
86
Changing the DTMF Dial Speed Default Value
To change the DTMF dial speed default value, follow these steps:
1.
Set par# 5 (Min DTMF dial speed) and par# 6 (Max DTMF dial speed) to the required DTMF dial speed with
the AT%T21 command.
2.
Issue an ATZ command.
3.
Issue an ATS11? command to display the new value. The following example shows how to set the current
default value from 80 to 85:
ATS11?
080
OK
AT%T21,5,55
OK
AT%T21,6,55
OK
ATZ
OK
ATS11?
085
OK
If you do not want to change both par#5 and par#6, set par#5 to the new default DTMF duration if you are
increasing the default value from the current value; otherwise, set par#6 to the new default DTMF duration.
The following two example show how to set one parameter:
1.
This example shows how to set the current default value of S11 from 80 to 85:
ATS11?
080
OK
AT%T21,5,55
OK
ATZ
OK
ATS11?
085
OK
2. This example shows how to set the current default value of S11 from 85 to 80:
ATS11?
085
OK
AT%T21,6,50
OK
ATZ
OK
ATS11?
080
OK