PHONEFEATURE_ Constants

The PHONEFEATURE_ constants list the operations that can be invoked on a phone using this API. Each of the PHONEFEATURE_ values correspond to a TAPI function with an identical or similar name.

PHONEFEATURE_GETBUTTONINFO (0x00000001)

PHONEFEATURE_GETDATA (0x00000002)

PHONEFEATURE_GETDISPLAY (0x00000004)

PHONEFEATURE_GETGAINHANDSET (0x00000008)

PHONEFEATURE_GETGAINSPEAKER (0x00000010)

PHONEFEATURE_GETGAINHEADSET (0x00000020)

PHONEFEATURE_GETHOOKSWITCHHANDSET (0x00000040)

PHONEFEATURE_GETHOOKSWITCHSPEAKER (0x00000080)

PHONEFEATURE_GETHOOKSWITCHHEADSET (0x00000100)

PHONEFEATURE_GETLAMP (0x00000200)

PHONEFEATURE_GETRING (0x00000400)

PHONEFEATURE_GETVOLUMEHANDSET (0x00000800)

PHONEFEATURE_GETVOLUMESPEAKER (0x00001000)

PHONEFEATURE_GETVOLUMEHEADSET (0x00002000)

PHONEFEATURE_SETBUTTONINFO (0x00004000)

PHONEFEATURE_SETDATA (0x00008000)

PHONEFEATURE_SETDISPLAY (0x00010000)

PHONEFEATURE_SETGAINHANDSET (0x00020000)

PHONEFEATURE_SETGAINSPEAKER (0x00040000)

PHONEFEATURE_SETGAINHEADSET (0x00080000)

PHONEFEATURE_SETHOOKSWITCHHANDSET (0x00100000)

PHONEFEATURE_SETHOOKSWITCHSPEAKER (0x00200000)

PHONEFEATURE_SETHOOKSWITCHHEADSET (0x00400000)

PHONEFEATURE_SETLAMP (0x00800000)

PHONEFEATURE_SETRING (0x01000000)

PHONEFEATURE_SETVOLUMEHANDSET (0x02000000)

PHONEFEATURE_SETVOLUMESPEAKER (0x04000000)

PHONEFEATURE_SETVOLUMEHEADSET (0x08000000)

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