User manual
● DSL:
digital subscriber line (DSL)
(DSL
ADSL
/
)
● PBX:
(Private Branch Exchange - PBX)
● ISDN:
(Integrated Services Digital Network - ISDN)
●
:
● :
●
dial-up
:
dial-up
dial-up
:
●
dial-up
●
dial-up
●
dial-up
●
:
●
:
2.
:
/
DSL PBX
dial-up
A:
(
)
85
B:
DSL
86
C:
PBX
ISDN
87
D:
87
E:
/
89
84 5 THWW