CÔNG TY VIỄN THÔNG VIỆT PRO
Making Test Calls
In the initial configuration:
•
All Programmable Function keys are line keys (e.g., key 1 is line 1).
•
All trunks are loop start DTMF.
Aspila EX Hardware Manual
Chuyên phân phối tổng đài NEC
Section 2: PCB Installation and Startup
Section 2: PCB Installation and Startup
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