public void conference(Call that) throws CallStateException {
synchronized (SipPhone.class) {
if (!(that instanceof SipCall)) {
throw new CallStateException(
"expect " + SipCall.class + ", cannot merge with " + that.getClass());
}
mForegroundCall.merge((SipCall) that);
}
}
@Override
public void conference() throws CallStateException {
synchronized (SipPhone.class) {
if ((mForegroundCall.getState() != SipCall.State.ACTIVE)
|| (mForegroundCall.getState() != SipCall.State.ACTIVE)) {
throw new CallStateException(
"wrong state to merge calls: fg="
+ mForegroundCall.getState()
+ ", bg="
+ mBackgroundCall.getState());
}
if (DBG) log("conference: merge fg & bg");
mForegroundCall.merge(mBackgroundCall);
}
}
