Initiate call by dialling

Three devices A B C with Release Candidate installed and running, set up with the following Phone Numbers and Names:
- 55501 TestA
- 55502 TestB
- 55503 TestC
Ensure that on all devices, the peer list (Serval main screen → Contacts → List Phones On The Mesh) shows the other two devices
On all devices, return to the Serval main screen

On device A, go to the dialler: Serval main screen → Call, enter the number 55502 and press the Call button
ASSERT Device A shows a screen with a Call via cellular network button at the top and a peer entry for TestB below
On device A, press the TestB entry call icon (green telephone)
ASSERT Device B rings and displays Serval Mesh call screen with Incoming Call TestA 55501 below Serval logo and two buttons at bottom: Answer and Decline
On device B, press Answer button
ASSERT Device A Serval call screen shows In Call above Serval logo, TestB 55502 below Serval logo and three buttons at bottom: Speaker, End Call and Dialpad
ASSERT Device B Serval call screen shows In Call above Serval logo, TestA 55501 below Serval logo and three buttons at bottom: Speaker, End Call and Dialpad
ASSERT Voice is transmitted in both directions

Hang up the calls on both phones. Any failure in this process should be reported under the appropriate test case:
- Calling party hangs up call
- Called party hangs up call

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