
Appendix
AT commands
Call control commands
l
74
EDSMF2181IB EN 3.0
Command: &P
Select pulse dialling mode
make/break ratio
Determines the make/break ratio which is used in pulse dialling mode. The default setting
depends on the country. If it is valid, the parameter value is rewritten to S28 bits 3 and 4.
Command
Default
setting
Values defined
Result codes
&P
0
&P0
Selects a 39%−61% make/break ratio at 10 pulses per
second.
OK
otherwise ERROR
&P1
Selects a 33%−67% make/break ratio at 10 pulses per
second.
&P2
Selects a 39%−61% make/break ratio at 20 pulses per
second.
&P3
Selects a 33%−67% make/break ratio at 20 pulses per
second.