1| Change Type | Old Version | New Version | d.ts File | 2| ---- | ------ | ------ | -------- | 3|Added|NA|Method or attribute name: answer<br>Function name: function answer(callId?: number): Promise<void>;|@ohos.telephony.call.d.ts| 4|Added|NA|Method or attribute name: answer<br>Function name: function answer(callback: AsyncCallback<void>): void;|@ohos.telephony.call.d.ts| 5|Added|NA|Method or attribute name: hangup<br>Function name: function hangup(callId?: number): Promise<void>;|@ohos.telephony.call.d.ts| 6|Added|NA|Method or attribute name: hangup<br>Function name: function hangup(callback: AsyncCallback<void>): void;|@ohos.telephony.call.d.ts| 7|Added|NA|Method or attribute name: reject<br>Function name: function reject(callId?: number, options?: RejectMessageOptions): Promise<void>;|@ohos.telephony.call.d.ts| 8|Added|NA|Method or attribute name: reject<br>Function name: function reject(callback: AsyncCallback<void>): void;|@ohos.telephony.call.d.ts| 9|Added|NA|Method or attribute name: reject<br>Function name: function reject(options: RejectMessageOptions, callback: AsyncCallback<void>): void;|@ohos.telephony.call.d.ts| 10|Added|NA|Method or attribute name: setAudioDevice<br>Function name: function setAudioDevice(device: AudioDevice, options: AudioDeviceOptions, callback: AsyncCallback<void>): void;|@ohos.telephony.call.d.ts| 11|Added|NA|Method or attribute name: setAudioDevice<br>Function name: function setAudioDevice(device: AudioDevice, options?: AudioDeviceOptions): Promise<void>;|@ohos.telephony.call.d.ts| 12|Added|NA|Module name: ohos.telephony.call<br>Class name: AudioDevice<br>Method or attribute name: DEVICE_EARPIECE|@ohos.telephony.call.d.ts| 13|Added|NA|Module name: ohos.telephony.call<br>Class name: AudioDeviceOptions|@ohos.telephony.call.d.ts| 14|Added|NA|Module name: ohos.telephony.call<br>Class name: AudioDeviceOptions<br>Method or attribute name: bluetoothAddress|@ohos.telephony.call.d.ts| 15|Added|NA|Module name: ohos.telephony.call<br>Class name: MmiCodeResults|@ohos.telephony.call.d.ts| 16|Added|NA|Module name: ohos.telephony.call<br>Class name: MmiCodeResults<br>Method or attribute name: result|@ohos.telephony.call.d.ts| 17|Added|NA|Module name: ohos.telephony.call<br>Class name: MmiCodeResults<br>Method or attribute name: message|@ohos.telephony.call.d.ts| 18|Added|NA|Module name: ohos.telephony.call<br>Class name: MmiCodeResult|@ohos.telephony.call.d.ts| 19|Added|NA|Module name: ohos.telephony.call<br>Class name: MmiCodeResult<br>Method or attribute name: MMI_CODE_SUCCESS|@ohos.telephony.call.d.ts| 20|Added|NA|Module name: ohos.telephony.call<br>Class name: MmiCodeResult<br>Method or attribute name: MMI_CODE_FAILED|@ohos.telephony.call.d.ts| 21