* #38608: separate interface for direction and state of SipCall

src/org/sflphone/account/AccountDetailAdvanced.java

src/org/sflphone/account/AccountDetailBasic.java

src/org/sflphone/account/AccountDetailSrtp.java

src/org/sflphone/account/AccountDetailTls.java

src/org/sflphone/client/CallActivity.java

src/org/sflphone/client/DetailHistoryActivity.java

src/org/sflphone/client/HomeActivity.java

src/org/sflphone/fragments/CallListFragment.java

src/org/sflphone/fragments/DetailsHistoryEntryFragment.java

src/org/sflphone/fragments/HistoryFragment.java

src/org/sflphone/history/DatabaseHelper.java

src/org/sflphone/history/HistoryCall.java

src/org/sflphone/history/HistoryManager.java

src/org/sflphone/interfaces/CallInterface.java

src/org/sflphone/loaders/HistoryLoader.java

src/org/sflphone/model/SipCall.java

src/org/sflphone/receivers/CallReceiver.java

src/org/sflphone/service/CallManagerCallBack.java