Step Name | Description | Expected
| Step 1 | Open dialpad. Input a vaild phone number | Number is diplayed.
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| Step 2 | Tap "Call" and start measurement at the same time.Stop measurement when the call screen appears . | Calling screen appear quicky. The performance should be good.
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| Step 4 | MUT open DTMF dialpad. Input a valid number. Tap "Call" and start measurement at the same time.Stop measurement when the call screen appears. | The first call is held. The second call screen show fast without uncomfortable screen flash. The performance should be good.
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| Step 3 | Answer the call by partner. | Call connected.
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