Speaker on                                   
Func AX 0Fh
Param DX None
Return AX None
Delay None
        Turn the speaker on.  Playback can be heard through the speaker
        if the local phone is not offhook.  Recording can be heard though
        the speaker if the local phone is not offhook and the command
        RECORD_LINE is set to 1 if recording is from the line.


Copyright © 1985 to 2022 Beta Systems                            Last modified: Wednesday, January 05, 2022 .