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These constants list the operations that can be invoked on a phone using TAPI. Each of the PHONEFEATURE_ values, except PHONEFEATURE_GENERICPHONE, corresponds to a TAPI function with an identical or similar name.
The following table shows the PHONEFEATURE constants.
| Value | Description |
|---|---|
| PHONEFEATURE_GETGAINHANDSET = 0x00000008 | Corresponds to the phoneGetGain function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HANDSET constant. |
| PHONEFEATURE_GETGAINSPEAKER = 0x00000010 | Corresponds to the phoneGetGain function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_SPEAKER constant. |
| PHONEFEATURE_GETGAINHEADSET = 0x00000020 | Corresponds to the phoneGetGain function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
| PHONEFEATURE_GETHOOKSWITCHHANDSET = 0x00000040 | Corresponds to the phoneGetHookSwitch function with the lpdwHookSwitchDevs parameter set to the PHONEHOOKSWITCHDEV_HANDSET constant. |
| PHONEFEATURE_GETHOOKSWITCHSPEAKER = 0x00000080 | Corresponds to the phoneGetHookSwitch function with the lpdwHookSwitchDevs parameter set to the PHONEHOOKSWITCHDEV_SPEAKER constant. |
| PHONEFEATURE_GETHOOKSWITCHHEADSET = 0x00000100 | Corresponds to the phoneGetHookSwitch function with the lpdwHookSwitchDevs parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
| PHONEFEATURE_GETRING = 0x00000400 | Corresponds to the phoneGetRing function. |
| PHONEFEATURE_GETVOLUMEHANDSET = 0x00000800 | Corresponds to the phoneGetVolume function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HANDSET constant. |
| PHONEFEATURE_GETVOLUMESPEAKER = 0x00001000 | Corresponds to the phoneGetVolume function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_SPEAKER constant. |
| PHONEFEATURE_GETVOLUMEHEADSET = 0x00002000 | Corresponds to the phoneGetVolume function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
| PHONEFEATURE_SETGAINHANDSET = 0x00020000 | Corresponds to the phoneSetGain function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HANDSET constant. |
| PHONEFEATURE_SETGAINSPEAKER = 0x00040000 | Corresponds to the phoneSetGain function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_SPEAKER constant. |
| PHONEFEATURE_SETGAINHEADSET = 0x00080000 | Corresponds to the phoneSetGain function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
| PHONEFEATURE_SETHOOKSWITCHHANDSET = 0x00100000 | Corresponds to the phoneSetHookSwitch function with the dwHookSwitchDevs parameter set to the PHONEHOOKSWITCHDEV_HANDSET constant. |
| PHONEFEATURE_SETHOOKSWITCHSPEAKER = 0x00200000 | Corresponds to the phoneSetHookSwitch function with the dwHookSwitchDevs parameter set to the PHONEHOOKSWITCHDEV_SPEAKER constant. |
| PHONEFEATURE_SETHOOKSWITCHHEADSET = 0x00400000 | Corresponds to the phoneSetHookSwitch function with the dwHookSwitchDevs parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
| PHONEFEATURE_SETRING = 0x01000000 | Corresponds to the phoneSetRing function. |
| PHONEFEATURE_SETVOLUMEHANDSET = 0x02000000 | Corresponds to the phoneSetVolume function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
| PHONEFEATURE_SETVOLUMESPEAKER = 0x04000000 | Corresponds to the phoneSetVolume function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
| PHONEFEATURE_SETVOLUMEHEADSET = 0x08000000 | Corresponds to the phoneSetVolume function with the dwHookSwitchDev parameter set to the PHONEHOOKSWITCHDEV_HEADSET constant. |
Remarks
These constants are valid for applications that have negotiated TAPI version of 2.0 and later.
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Tapi.h.
See Also
phoneGetGain | phoneGetHookSwitch | phoneGetRing | phoneGetVolume | phoneSetGain | phoneSetHookSwitch | phoneSetRing | phoneSetVolume
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