AsyncWriteCallbackHandler asyncWriteCallbackHandler) {
/* SipParserErrorHandlerImpl sipParserErrorHandler =
new SipParserErrorHandlerImpl(this);
sipParserErrorHandler.setErrorResponseEnabled(
this.isErrorResponseEnabled()); */
ProtocolFilter filter = new MessageProcessorFilter(this,
requestTimeOut, disablerequests, _bbPool,
asyncWriteCallbackHandler);
return filter;
}