* sent.
*/
protected SMPPResponse sendRequestInternal(SMPPRequest r)
throws java.net.SocketTimeoutException, java.io.IOException,
AlreadyBoundException, VersionException, SMPPProtocolException {
SMPPResponse resp = null;
if (link == null) {
throw new IOException("No SMSC connection.");
}
processOutboundPacket(r);