PacketFilter filter =
new AndFilter(new PacketIDFilter(reg.getPacketID()), new PacketTypeFilter(IQ.class));
PacketCollector collector = connection.createPacketCollector(filter);
connection.sendPacket(reg);
IQ result = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
collector.cancel();
if (result == null) {
throw new XMPPException("No response from server.");
}
else if (result.getType() == IQ.Type.ERROR) {
throw new XMPPException(result.getError());