Panasonic LX-TD500 Programming Manual page 204

Line
Parameter
Default
Value Range
Description/Function
Reference
204
Dial Type
DTMF-80: ELCOT/GCOT/LCOT/T1/DID card, ISDN: BRI/
PRI23 card
1.
Pulse-10 (10 PPS)
2.
Pulse-20 (20 PPS)
3.
DTMF-80 (80 ms)
4.
DTMF-160 (160 ms)
5.
ISDN
Specifies the dial type for each trunk line.
This is the dial type regardless of the dial mode of the extension
telephone. The dialing signals from any extension are converted to
the dial type specified by this setting and transmitted to the trunk
line.
<Available selections and the default values per Card Type>
Card Type
BRI/PRI23 ISDN
DTMF-80
DID
Pulse-10/Pulse-20/DTMF-80/
ELCOT/
DTMF-160
GCOT/
LCOT/
T1
None
Selection
Programming Guide
Default
ISDN
DTMF-80
DTMF-80