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simple cases: | |
U call A: outgoing A | |
call ends: idle A | |
A accepts: offhook A | |
call ends: idle A | |
A call U: ringing A | |
call ends: idle A | |
U accepts: offhook A | |
call ends: idle A | |
------------------------------------ | |
overlap cases: | |
U call A: outgoing A | |
A accepts: offhook A | |
U call B: outgoing B | |
B accepts: --- | |
call B ends: --- | |
call A ends: idle A | |
swap call | |
call A ends: --- | |
call B ends: idle B | |
B call U: ringing B | |
call B ends: offhook B | |
call A ends: idle A | |
U accepts: offhook B | |
call B ends: --- | |
call A ends: idle A | |
swap call | |
call A ends: --- | |
call B ends: idle B | |
merge call | |
U ends call: idle A |
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