void merge(SipCall that) throws CallStateException {
if (SC_DBG) log("merge:");
AudioGroup audioGroup = getAudioGroup();
// copy to an array to avoid concurrent modification as connections
// in that.connections will be removed in add(SipConnection).
Connection[] cc = that.mConnections.toArray(new Connection[that.mConnections.size()]);
for (Connection c : cc) {
SipConnection conn = (SipConnection) c;
add(conn);
if (conn.getState() == Call.State.HOLDING) {
conn.unhold(audioGroup);
}
}
that.setState(Call.State.IDLE);
}
