Commits
Chung-yih Wang authored d8f3d167353
Add a new phone state ANSWERING. The state ANSWERING is set when we answer an incoming sip call, i.e. sending a 'OK' response to the peer. The state will be set to ACTIVE once the 'ACK' from peer is received. Change-Id: I84ee3cc68222eb34e032896ce23f7431d4ad774a