: ISDN
3
/ ISDN
"multi-comb"
● PBX
""
: PBX
""
PBX
● PBX
●
/
D:
(
)
5-3
1
2
1-LINE
/
1.
1-LINE
:
/
2.
Auto Answer ()
3.
Distinctive Ring ()
THWW
85
Kommentare zu diesen Handbüchern