PHONEFEATURE_ Constants

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

Constant/value	Description
PHONEFEATURE_GETBUTTONINFO 0x00000001	phoneGetButtonInfo
PHONEFEATURE_GETDATA 0x00000002	phoneGetData
PHONEFEATURE_GETDISPLAY 0x00000004	phoneGetDisplay
PHONEFEATURE_GETGAINHANDSET 0x00000008	phoneGetGain PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_GETGAINSPEAKER 0x00000010	phoneGetGain PHONEHOOKSWITCHDEV_SPEAKER
PHONEFEATURE_GETGAINHEADSET 0x00000020	phoneGetGain PHONEHOOKSWITCHDEV_HEADSET
PHONEFEATURE_GETHOOKSWITCHHANDSET 0x00000040	phoneGetHookSwitch PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_GETHOOKSWITCHSPEAKER 0x00000080	phoneGetHookSwitch PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_GETHOOKSWITCHHEADSET 0x00000100	phoneGetHookSwitch PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_GETLAMP 0x00000200	phoneGetLamp
PHONEFEATURE_GETRING 0x00000400	phoneGetRing
PHONEFEATURE_GETVOLUMEHANDSET 0x00000800	phoneGetVolume PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_GETVOLUMESPEAKER 0x00001000	phoneGetVolume PHONEHOOKSWITCHDEV_SPEAKER
PHONEFEATURE_GETVOLUMEHEADSET 0x00002000	phoneGetVolume PHONEHOOKSWITCHDEV_HEADSET
PHONEFEATURE_SETBUTTONINFO 0x00004000	phoneSetButtonInfo
PHONEFEATURE_SETDATA 0x00008000	phoneSetData
PHONEFEATURE_SETDISPLAY 0x00010000	phoneSetDisplay
PHONEFEATURE_SETGAINHANDSET 0x00020000	phoneSetGain PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_SETGAINSPEAKER 0x00040000	phoneSetGain PHONEHOOKSWITCHDEV_SPEAKER
PHONEFEATURE_SETGAINHEADSET 0x00080000	phoneSetGain PHONEHOOKSWITCHDEV_HEADSET
PHONEFEATURE_SETHOOKSWITCHHANDSET 0x00100000	phoneSetHookSwitch PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_SETHOOKSWITCHSPEAKER 0x00200000	phoneSetHookSwitch PHONEHOOKSWITCHDEV_SPEAKER
PHONEFEATURE_SETHOOKSWITCHHEADSET 0x00400000	phoneSetHookSwitch PHONEHOOKSWITCHDEV_HEADSET
PHONEFEATURE_SETLAMP 0x00800000	phoneSetLamp
PHONEFEATURE_SETRING 0x01000000	phoneSetRing
PHONEFEATURE_SETVOLUMEHANDSET 0x02000000	phoneSetVolume PHONEHOOKSWITCHDEV_HANDSET
PHONEFEATURE_SETVOLUMESPEAKER 0x04000000	phoneSetVolume PHONEHOOKSWITCHDEV_SPEAKER
PHONEFEATURE_SETVOLUMEHEADSET 0x08000000	phoneSetVolume PHONEHOOKSWITCHDEV_HEADSET
PHONEFEATURE_GENERICPHONE 0x10000000	(relevant only to applications using TAPI 3.0 and later)

Requirements

Requirement	Value
TAPI version	Requires TAPI 2.0 or later
Header	Tapi.h