:
●DSL :
)DSL ( ) .
DSL ADSL /
(.
●PBX :
)PBX.(
●ISDN :
)ISDN.(
●VoIP :
.
)VoIP.(
.
HP
.
)
DSL/ADSL PBX
ISDN(
.
: HP
.
.
ARWW
٧٠
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