>ST-911 is a 1-Line Display Pager, 500 characters for a single message. ...
Digital hybrid epabx products and wireless pabx, digital pstn exchange system, Radio digital line concentrator, ISDN video conferfncing system
>A.Communication1.Two-way call and talkback. 2.Answer / hang-up: by telephone or hand-free by any button of the host. 3.With prompt when the telephone isn’t well placed, and ...
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