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3 - Microphone

4 - Telephone Line Select + Samples routed to/from

Speakers/Mic in TX/RX modes

6 - Speakerphone

#VLS? Returns the current setting

#VLS=?Returns “0,2,3,4,6”

Result codes:

OK n=0, 4, 6

VCON n=2, 3

ERROR Otherwise

(For 0, 4, 6, VCON will be issued upon line connection)

Related S-Regs: S78

#VRA Ringback Goes Away Timer (originate).

This value is used during call progress to detect a voice answer.

This is the interval between ringback ending and voice answer determined.

#VRA=<value> [0-255 (*1/10 MS)]

#VRA? Returns the current setting

#VRA=? Returns “0-255”

Related S-Regs: S79

#VRN Ringback Never Came Timer (originate)

This value is used during call progress to detect a voice answer.

This is the interval without detection of ringback before voice answer is determined.

#VRN=<value> [0-255 (*1/10 MS)]

#VRN? Returns the current setting

#VRN=? Returns “0-255”

Related S-Regs: S80

#VRX Go to Voice Receive Mode.

Result codes:

CONNECT Data may be sent

ERROR VLS=0, 4, 6 and line not connected

Note: Any input from the terminal will abort Voice Receive Mode

#VSD Enables/Disables silence deletion (voice receive, ADPCM) (-)

#VSD=<value> [0,1 - Disable/Enable]

#VSD? Returns the current setting

#VSD=? Returns “0,1”

Related S-Regs: S81

#VSP Sets Silence Period (voice receive, ADPCM)

#VSP=<value> [0-255 (*1/10 ms)]

#VSP? Returns the current setting

#VSP=? Returns “0,255”

Related S-Regs: S83

#VSR Sets Sample Rate (PCM, ADPCM)

#VSR=<value> [7200, 11025, 8000]

#VSR? Returns the current setting