User manual
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dial-up
(
)
1.
() 186
a.
207
b.
2
2.
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DSL: digital subscriber line (DSL)
(DSL
ADSL /
)
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PBX:
(PBX)
(integrated services digital
network - ISDN)
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:
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:
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dial-up
: dial-up
dial-up :
◦
dial-up
◦
dial-up
◦
dial-up
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:
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:
3.
THWW
()
187