Seas Module

must be "com.voztele.sipservlet.core.ConvergedEngine".

...
modparam("seas", "listen_sockets","127.0.0.1:5080")
...
...
if (!as_relay_t("app_server_1")) { 
log("Error sending to app server"); 
t_reply("500","App Server not connected"); 
}
...
public final class Hello extends HttpServlet {
protected void doGet(HttpServletRequest request,HttpServletResponse response)
      throws IOException, ServletException 
    {
response.setContentType("text/html");
PrintWriter writer = response.getWriter();
writer.println("<html>");
writer.println("<head>");
writer.println("<title>Sample Application Servlet</title>");
writer.println("</head>");
writer.println("<body bgcolor=white>");
writer.println("<table border=\"0\" width=\"100%\">");
Enumeration names = request.getHeaderNames();
while (names.hasMoreElements()) {
    String name = (String) names.nextElement();
    writer.println("<tr>");
    writer.println("<th align=\"right\">"+name+":</th>");
    writer.println("<td>"+request.getHeader(name)+"</td>");
    writer.println("</tr>");
}
writer.println("</table>");
writer.println("</body>");
writer.println("</html>");
    }
}
public class ProxyServlet extends SipServlet {
    protected void doInvite(SipServletRequest req) throws 
ServletException, IOException
    {
        if (req.isInitial()) {
            Proxy proxy = req.getProxy();
            proxy.setRecordRoute(false);
            proxy.setParallel(parallel);
            proxy.setSupervised(supervised);
            SipURI rrURI = proxy.getRecordRouteURI();
            rrURI.setParameter("foo", "bar");
            req.setContent("Method is INVITE", "text/plain");
            proxy.proxyTo(uris);
        } else {
            log("re-INVITE");
        }
    }
    protected void doAck(SipServletRequest req) throws 
ServletException, IOException
    {
        log("doAck " + req.getRequestURI());
        if (req.isInitial()) {
            throw new ServletException("unexpectedly got initial ACK");
<Server port="8005" shutdown="SHUTDOWN" >
className="com.voztele.sipservlet.connector.SipConnector"
minProcessors="5"
maxProcessors="10"
addresses="localhost:5060"
listen = tcp:localhost:5060
listen = udp:localhost:5060
modparam("seas", "listen_sockets","127.0.0.1:5080") 
<Property key="javax.sip.STACK_NAME" value="app_server_one" />
route{
        if(is_present_hf("X-WeSIP-SPIRAL")){
 /* account, log, register, or whatever */
                t_relay();
        }else{
                as_relay_t("app_server_1");
        }
}
debug=3            # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no    # (cmd line: -E)
check_via=no    # (cmd. line: -v)
dns=no          # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
port=5060
children=4
loadmodule "/usr/local/lib/openser/modules/sl.so"
loadmodule "/usr/local/lib/openser/modules/tm.so"
loadmodule "/usr/local/lib/openser/modules/rr.so"
loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/lib/openser/modules/registrar.so"
loadmodule "/usr/local/lib/openser/modules/textops.so"
loadmodule "/usr/local/lib/openser/modules/seas.so"
loadmodule "/usr/local/lib/openser/modules/mi_fifo.so"

modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo")
modparam("usrloc", "db_mode",   0)
modparam("rr", "enable_full_lr", 1)
modparam("seas", "listen_sockets", "127.0.0.1:5080");

route{
       if (!mf_process_maxfwd_header("10")) {
               sl_send_reply("483","Too Many Hops");
               exit;
       };
       if (msg:len >=  2048 ) {
               sl_send_reply("513", "Message too big");
               exit;
       };
       if (!method=="REGISTER")
               record_route();
       if (loose_route()) {
               append_hf("P-hint: rr-enforced\r\n");
               route(1);
       };
       if (uri==myself) {
               if (method=="REGISTER") {
                       save("location");
                       exit;
               };
               lookup("aliases");
               if (!uri==myself) {
                       append_hf("P-hint: outbound alias\r\n");
                       route(1);
               };
               if (!lookup("location")) {
                       sl_send_reply("404", "Not Found");
                       exit;
               };
               append_hf("P-hint: usrloc applied\r\n");
       };
       route(1);
}
route[1] {
                if(!as_relay_t("app_server_one")){
                       t_reply("500","Application Server error");
               }
}
debug=9            # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=yes    # (cmd line: -E)

check_via=no    # (cmd. line: -v)
dns=no          # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
port=5060
children=4

reply_to_via=1
listen = tcp:localhost:5060 
listen = udp:localhost:5060 

mpath="/home/elias/src/sipservlet/seas"

loadmodule "modules/tm/tm.so"
loadmodule "modules/seas/seas.so"
loadmodule "modules/mi_fifo/mi_fifo.so"

modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo")
modparam("seas", "listen_sockets","127.0.0.1:5080")

route{
                if(!as_relay_t("app_server_1")){
                        t_reply("500","Application Server error");
                }

}
<Server port="8005" shutdown="SHUTDOWN" debug="0">
  <Service name="WeSIP-Standalone">
    <Connector className="org.apache.catalina.connector.http.HttpConnector"
        port="8080" minProcessors="5" maxProcessors="75"
        enableLookups="true" address="localhost" acceptCount="10" debug="10" />
        <Connector className="com.voztele.sipservlet.connector.SipConnector"
        minProcessors="5" maxProcessors="75"
        addresses="localhost:5060" >
               <ExtraProperties>
                       <Property key="com.voztele.javax.sip.SER_ADDRESS" value="127.0.0.1:5080" />
                       <Property key="javax.sip.STACK_NAME" value="app_server_one" />
                       <Property key="com.voztele.javax.sip.THREAD_POOL_SIZE" value="10" />
               </ExtraProperties>
       </Connector>
    <Engine name="Standalone" defaultHost="localhost" debug="10"
       className="com.voztele.sipservlet.core.ConvergedEngine">

        <Logger className="org.apache.catalina.logger.SystemOutLogger"
           timestamp="true"/>
        <Mapper className="org.apache.catalina.core.StandardEngineMapper" protocol="HTTP/1.1"/>
        <Mapper className="com.voztele.sipservlet.core.EngineSipMapper" protocol="SIP/2.0"/>
        <Realm  className="org.apache.catalina.realm.MemoryRealm" />
        <Host name="localhost" nameSip="localhost_5060" debug="10" appBase="webapps" unpackWARs="true"
        port="5060" autoDeploy="true" className="com.voztele.sipservlet.core.ConvergedHost">
               <Mapper className="com.voztele.sipservlet.core.SipHostMapper" protocol="SIP/2.0"/>
               <Mapper className="org.apache.catalina.core.HttpHostMapper" protocol="HTTP/1.1"/>
     </Host>
  </Engine>
</Service>
</Server>

Elias Baixas

Chapter 1. The Sip Express Application Server User's Guide

Chapter 2. Developer's Guide

Chapter 3. Frequently Asked Questions