Panasonic KX-TD500CE Programming Manual page 136

4.2 Trunk Line
Parameter
Default
Value Range
136
Incoming Type
(1)DIL:ELCOT card (2)DID:E1[DR2] / E1[E&M-C (MFC-R2)] /
E1[E&M-P (MFC-R2)] (3)DDI:BRI / PRI30 card (4)
TIE:E1[E&M-C (Pulse, DTMF)] / E1 [E&M-P (Pulse, DTMF)] /
E&M card
1.
DIL
2.
DID
3.
TIE
4.
DDI
5.
MSN
Line