Step Name | Description | Expected
| Step 1 | Partner1 makes a call to MUT. | Ringing.
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| Step 2 | MUT answers the call. | Call is established successfully.
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| Step 3 | Partner2 makes a call to MUT | Incoming call UI display
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| Step 4 | MUT answers the call. | Call is established successfully. the call of Partner1 is held and the call of Partner2 is actived
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| Step 7 | Recieve an incoming call on MUT from Partner3,Check the shown screen when the call waiting options appear on MUT | "Busy" and "End current call and answer" appear.
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| Step 6 | Tap "End current call and answer" button | The call of Partner2 is ended, the call of Partner3 is actived, the call of Partner1 is still held.
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