CÔNG TY VIỄN THÔNG VIỆT PRO
Installing Extensions and
Section 3: Installing Extensions and Trunks
Install telephones as on-premise extensions only. (Otherwise, the telephones are highly
susceptible to lightning strikes.)
Aspila EX Hardware Manual
Chuyên phân phối tổng đài NEC
Section 3: Installing Extensions and Trunks
!! Important !!
Section 3: Installing Extensions and Trunks
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Section 3:
Trunks
3
3-1