am 44669d31: am fd144d76: Merge "SipAudioCall: remove SipManager dependency." into gingerbread

Merge commit '44669d31d1d5b094d7b7d3e393281440ea0c9536'

* commit '44669d31d1d5b094d7b7d3e393281440ea0c9536':
  SipAudioCall: remove SipManager dependency.