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Hello,<br>
<br>
does PRACK have Route headers?<br>
<br>
It will help if you can post the network packets (ngrep, pcap) for
INVITE + 1XX responses + PRACK.<br>
<br>
Cheers,<br>
Daniel<br>
<br>
<div class="moz-cite-prefix">On 17/03/15 12:41, Dharm S wrote:<br>
</div>
<blockquote
cite="mid:CAFyUrtY9u-iD_3kcK=yeHK0V3Bahpfk8PsAAgW80ng1aX5svyg@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>Hi All,<br>
<br>
</div>
I am using kamailio 3.1.5. I am trying to send the PRACK message
but it sends back 404 Not Here. I am new to using this. I am
adding details in the configuration file below: I guess
route[WITHINDLG]<br>
<br>
####### Defined Values #########<br>
<br>
# *** Value defines - IDs used later in config<br>
#!ifdef WITH_MYSQL<br>
# - database URL - used to connect to database server by modules
such<br>
# as: auth_db, acc, usrloc, a.s.o.<br>
#!define DBURL "mysql://openser:openserrw@localhost/openser"<br>
#!endif<br>
#!ifdef WITH_MULTIDOMAIN<br>
# - the value for 'use_domain' parameters<br>
#!define MULTIDOMAIN 1<br>
#!else<br>
#!define MULTIDOMAIN 0<br>
#!endif<br>
<br>
# - flags<br>
# FLT_ - per transaction (message) flags<br>
# FLB_ - per branch flags<br>
#!define FLT_ACC 1<br>
#!define FLT_ACCMISSED 2<br>
#!define FLT_ACCFAILED 3<br>
#!define FLT_NATS 5<br>
<br>
#!define FLB_NATB 6<br>
#!define FLB_NATSIPPING 7<br>
<br>
####### Global Parameters #########<br>
<br>
#!ifdef WITH_DEBUG<br>
debug=4<br>
log_stderror=yes<br>
#!else<br>
debug=2<br>
log_stderror=no<br>
#!endif<br>
<br>
memdbg=5<br>
memlog=5<br>
<br>
log_facility=LOG_LOCAL0<br>
<br>
fork=yes<br>
children=4<br>
<br>
/* uncomment the next line to disable TCP (default on) */<br>
#disable_tcp=yes<br>
<br>
/* uncomment the next line to disable the auto discovery of
local aliases<br>
based on reverse DNS on IPs (default on) */<br>
#auto_aliases=no<br>
<br>
/* add local domain aliases */<br>
#alias="<a moz-do-not-send="true" href="http://sip.mydomain.com">sip.mydomain.com</a>"<br>
<br>
/* uncomment and configure the following line if you want
Kamailio to <br>
bind on a specific interface/port/proto (default bind on all
available) */<br>
#listen=udp:<a moz-do-not-send="true"
href="http://10.0.0.10:5060">10.0.0.10:5060</a><br>
<br>
/* port to listen to<br>
* - can be specified more than once if needed to listen on many
ports */<br>
port=5060<br>
<br>
#!ifdef WITH_TLS<br>
enable_tls=yes<br>
#!endif<br>
<br>
####### Custom Parameters #########<br>
<br>
# These parameters can be modified runtime via RPC interface<br>
# - see the documentation of 'cfg_rpc' module.<br>
#<br>
# Format: <a moz-do-not-send="true" href="http://group.id">group.id</a>
= value 'desc' description<br>
# Access: $sel(<a moz-do-not-send="true"
href="http://cfg_get.group.id">cfg_get.group.id</a>) or @<a
moz-do-not-send="true" href="http://cfg_get.group.id">cfg_get.group.id</a><br>
#<br>
<br>
#!ifdef WITH_PSTN<br>
# PSTN GW Routing<br>
#<br>
# - pstn.gw_ip: valid IP or hostname as string value, example:<br>
# pstn.gw_ip = "10.0.0.101" desc "My PSTN GW Address"<br>
#<br>
# - by default is empty to avoid misrouting<br>
pstn.gw_ip = "" desc "PSTN GW Address"<br>
#!endif<br>
<br>
<br>
####### Modules Section ########<br>
<br>
# set paths to location of modules<br>
#!ifdef LOCAL_TEST_RUN<br>
mpath="modules_k:modules"<br>
#!else<br>
mpath="/usr/lib/kamailio/modules_k/:/usr/lib/kamailio/modules/"<br>
#!endif<br>
<br>
#!ifdef WITH_MYSQL<br>
loadmodule "db_mysql.so"<br>
#!endif<br>
<br>
loadmodule "mi_fifo.so"<br>
loadmodule "kex.so"<br>
loadmodule "tm.so"<br>
loadmodule "tmx.so"<br>
loadmodule "sl.so"<br>
loadmodule "rr.so"<br>
loadmodule "pv.so"<br>
loadmodule "maxfwd.so"<br>
loadmodule "usrloc.so"<br>
loadmodule "registrar.so"<br>
loadmodule "textops.so"<br>
loadmodule "siputils.so"<br>
loadmodule "xlog.so"<br>
loadmodule "sanity.so"<br>
loadmodule "ctl.so"<br>
loadmodule "mi_rpc.so"<br>
loadmodule "acc.so"<br>
<br>
#!ifdef WITH_AUTH<br>
loadmodule "auth.so"<br>
loadmodule "auth_db.so"<br>
#!ifdef WITH_IPAUTH<br>
loadmodule "permissions.so"<br>
#!endif<br>
#!endif<br>
<br>
#!ifdef WITH_ALIASDB<br>
loadmodule "alias_db.so"<br>
#!endif<br>
<br>
#!ifdef WITH_MULTIDOMAIN<br>
loadmodule "domain.so"<br>
#!endif<br>
<br>
#!ifdef WITH_PRESENCE<br>
loadmodule "presence.so"<br>
loadmodule "presence_xml.so"<br>
#!endif<br>
<br>
#!ifdef WITH_NAT<br>
loadmodule "nathelper.so"<br>
loadmodule "rtpproxy.so"<br>
#!endif<br>
<br>
#!ifdef WITH_TLS<br>
loadmodule "tls.so"<br>
#!endif<br>
<br>
#!ifdef WITH_ANTIFLOOD<br>
loadmodule "htable.so"<br>
loadmodule "pike.so"<br>
#!endif<br>
<br>
#!ifdef WITH_XMLRPC<br>
loadmodule "xmlrpc.so"<br>
#!endif<br>
<br>
# ----------------- setting module-specific parameters
---------------<br>
<br>
<br>
# ----- mi_fifo params -----<br>
modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")<br>
<br>
<br>
# ----- tm params -----<br>
# auto-discard branches from previous serial forking leg<br>
modparam("tm", "failure_reply_mode", 3)<br>
# default retransmission timeout: 30sec<br>
modparam("tm", "fr_timer", 30000)<br>
# default invite retransmission timeout after 1xx: 120sec<br>
modparam("tm", "fr_inv_timer", 120000)<br>
<br>
<br>
# ----- rr params -----<br>
# add value to ;lr param to cope with most of the UAs<br>
modparam("rr", "enable_full_lr", 1)<br>
# do not append from tag to the RR (no need for this script)<br>
modparam("rr", "append_fromtag", 0)<br>
<br>
<br>
# ----- registrar params -----<br>
modparam("registrar", "method_filtering", 1)<br>
/* uncomment the next line to disable parallel forking via
location */<br>
# modparam("registrar", "append_branches", 0)<br>
/* uncomment the next line not to allow more than 10 contacts
per AOR */<br>
#modparam("registrar", "max_contacts", 10)<br>
<br>
<br>
# ----- acc params -----<br>
/* what special events should be accounted ? */<br>
modparam("acc", "early_media", 0)<br>
modparam("acc", "report_ack", 0)<br>
modparam("acc", "report_cancels", 0)<br>
/* by default ww do not adjust the direct of the sequential
requests.<br>
if you enable this parameter, be sure the enable
"append_fromtag"<br>
in "rr" module */<br>
modparam("acc", "detect_direction", 0)<br>
/* account triggers (flags) */<br>
modparam("acc", "log_flag", FLT_ACC)<br>
modparam("acc", "log_missed_flag", FLT_ACCMISSED)<br>
modparam("acc", "log_extra", <br>
"src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")<br>
modparam("acc", "failed_transaction_flag", FLT_ACCFAILED)<br>
/* enhanced DB accounting */<br>
#!ifdef WITH_ACCDB<br>
modparam("acc", "db_flag", FLT_ACC)<br>
modparam("acc", "db_missed_flag", FLT_ACCMISSED)<br>
modparam("acc", "db_url", DBURL)<br>
modparam("acc", "db_extra",<br>
"src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")<br>
#!endif<br>
<br>
<br>
# ----- usrloc params -----<br>
/* enable DB persistency for location entries */<br>
#!ifdef WITH_USRLOCDB<br>
modparam("usrloc", "db_url", DBURL)<br>
modparam("usrloc", "db_mode", 2)<br>
modparam("usrloc", "use_domain", MULTIDOMAIN)<br>
#!endif<br>
<br>
<br>
# ----- auth_db params -----<br>
#!ifdef WITH_AUTH<br>
modparam("auth_db", "db_url", DBURL)<br>
modparam("auth_db", "calculate_ha1", yes)<br>
modparam("auth_db", "password_column", "password")<br>
modparam("auth_db", "load_credentials", "")<br>
modparam("auth_db", "use_domain", MULTIDOMAIN)<br>
<br>
# ----- permissions params -----<br>
#!ifdef WITH_IPAUTH<br>
modparam("permissions", "db_url", DBURL)<br>
modparam("permissions", "db_mode", 1)<br>
#!endif<br>
<br>
#!endif<br>
<br>
<br>
# ----- alias_db params -----<br>
#!ifdef WITH_ALIASDB<br>
modparam("alias_db", "db_url", DBURL)<br>
modparam("alias_db", "use_domain", MULTIDOMAIN)<br>
#!endif<br>
<br>
<br>
# ----- domain params -----<br>
#!ifdef WITH_MULTIDOMAIN<br>
modparam("domain", "db_url", DBURL)<br>
# use caching<br>
modparam("domain", "db_mode", 1)<br>
# register callback to match myself condition with domains list<br>
modparam("domain", "register_myself", 1)<br>
#!endif<br>
<br>
<br>
#!ifdef WITH_PRESENCE<br>
# ----- presence params -----<br>
modparam("presence", "db_url", DBURL)<br>
<br>
# ----- presence_xml params -----<br>
modparam("presence_xml", "db_url", DBURL)<br>
modparam("presence_xml", "force_active", 1)<br>
#!endif<br>
<br>
<br>
#!ifdef WITH_NAT<br>
# ----- rtpproxy params -----<br>
modparam("rtpproxy", "rtpproxy_sock", "udp:<a
moz-do-not-send="true" href="http://127.0.0.1:7722">127.0.0.1:7722</a>")<br>
<br>
# ----- nathelper params -----<br>
modparam("nathelper", "natping_interval", 30)<br>
modparam("nathelper", "ping_nated_only", 1)<br>
modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)<br>
modparam("nathelper", "sipping_from", "<a moz-do-not-send="true"
href="mailto:sip%3Apinger@kamailio.org">sip:pinger@kamailio.org</a>")<br>
<br>
# params needed for NAT traversal in other modules<br>
modparam("nathelper|registrar", "received_avp",
"$avp(RECEIVED)")<br>
modparam("usrloc", "nat_bflag", FLB_NATB)<br>
#!endif<br>
<br>
<br>
#!ifdef WITH_TLS<br>
# ----- tls params -----<br>
modparam("tls", "config", "/etc/kamailio/tls.cfg")<br>
#!endif<br>
<br>
#!ifdef WITH_ANTIFLOOD<br>
# ----- pike params -----<br>
modparam("pike", "sampling_time_unit", 2)<br>
modparam("pike", "reqs_density_per_unit", 16)<br>
modparam("pike", "remove_latency", 4)<br>
<br>
# ----- htable params -----<br>
# ip ban htable with autoexpire after 5 minutes<br>
modparam("htable", "htable", "ipban=>size=8;autoexpire=300;")<br>
#!endif<br>
<br>
#!ifdef WITH_XMLRPC<br>
# ----- xmlrpc params -----<br>
modparam("xmlrpc", "route", "XMLRPC");<br>
modparam("xmlrpc", "url_match", "^/RPC")<br>
#!endif<br>
<br>
####### Routing Logic ########<br>
<br>
<br>
# Main SIP request routing logic<br>
# - processing of any incoming SIP request starts with this
route<br>
route {<br>
<br>
# per request initial checks<br>
route(REQINIT);<br>
<br>
# NAT detection<br>
route(NAT);<br>
<br>
# handle requests within SIP dialogs<br>
route(WITHINDLG);<br>
<br>
### only initial requests (no To tag)<br>
<br>
# CANCEL processing<br>
if (is_method("CANCEL"))<br>
{<br>
if (t_check_trans())<br>
t_relay();<br>
exit;<br>
}<br>
<br>
t_check_trans();<br>
<br>
# authentication<br>
route(AUTH);<br>
<br>
# record routing for dialog forming requests (in case they
are routed)<br>
# - remove preloaded route headers<br>
remove_hf("Route");<br>
if (is_method("INVITE|SUBSCRIBE"))<br>
record_route();<br>
<br>
# account only INVITEs<br>
if (is_method("INVITE"))<br>
{<br>
setflag(FLT_ACC); # do accounting<br>
}<br>
<br>
# dispatch requests to foreign domains<br>
route(SIPOUT);<br>
<br>
### requests for my local domains<br>
<br>
# handle presence related requests<br>
route(PRESENCE);<br>
<br>
# handle registrations<br>
route(REGISTRAR);<br>
<br>
if ($rU==$null)<br>
{<br>
# request with no Username in RURI<br>
sl_send_reply("484","Address Incomplete");<br>
exit;<br>
}<br>
<br>
# dispatch destinations to PSTN<br>
route(PSTN);<br>
<br>
# user location service<br>
route(LOCATION);<br>
<br>
route(RELAY);<br>
}<br>
<br>
<br>
route[RELAY] {<br>
#!ifdef WITH_NAT<br>
if (check_route_param("nat=yes")) {<br>
setbflag(FLB_NATB);<br>
}<br>
if (isflagset(FLT_NATS) || isbflagset(FLB_NATB)) {<br>
route(RTPPROXY);<br>
}<br>
#!endif<br>
<br>
/* example how to enable some additional event routes */<br>
if (is_method("INVITE")) {<br>
#t_on_branch("BRANCH_ONE");<br>
t_on_reply("REPLY_ONE");<br>
t_on_failure("FAIL_ONE");<br>
}<br>
<br>
if (!t_relay()) {<br>
sl_reply_error();<br>
}<br>
exit;<br>
}<br>
<br>
# Per SIP request initial checks<br>
route[REQINIT] {<br>
#!ifdef WITH_ANTIFLOOD<br>
# flood dection from same IP and traffic ban for a while<br>
# be sure you exclude checking trusted peers, such as pstn
gateways<br>
# - local host excluded (e.g., loop to self)<br>
if(src_ip!=myself)<br>
{<br>
if($sht(ipban=>$si)!=$null)<br>
{<br>
# ip is already blocked<br>
xdbg("request from blocked IP - $rm from $fu
(IP:$si:$sp)\n");<br>
exit;<br>
}<br>
if (!pike_check_req())<br>
{<br>
xlog("L_ALERT","ALERT: pike blocking $rm from $fu
(IP:$si:$sp)\n");<br>
$sht(ipban=>$si) = 1;<br>
exit;<br>
}<br>
}<br>
#!endif<br>
<br>
if (!mf_process_maxfwd_header("10")) {<br>
sl_send_reply("483","Too Many Hops");<br>
exit;<br>
}<br>
<br>
if(!sanity_check("1511", "7"))<br>
{<br>
xlog("Malformed SIP message from $si:$sp\n");<br>
exit;<br>
}<br>
}<br>
<br>
# Handle requests within SIP dialogs<br>
route[WITHINDLG] {<br>
if (has_totag()) {<br>
# sequential request withing a dialog should<br>
# take the path determined by record-routing<br>
if (loose_route()) {<br>
if (is_method("BYE")) {<br>
setflag(FLT_ACC); # do accounting ...<br>
setflag(FLT_ACCFAILED); # ... even if the
transaction fails<br>
}<br>
route(RELAY);<br>
} else {<br>
if (is_method("SUBSCRIBE") && uri == myself)
{<br>
# in-dialog subscribe requests<br>
route(PRESENCE);<br>
exit;<br>
}<br>
if ( is_method("ACK") ) {<br>
if ( t_check_trans() ) {<br>
# no loose-route, but stateful ACK;<br>
# must be an ACK after a 487<br>
# or e.g. 404 from upstream server<br>
t_relay();<br>
exit;<br>
} else {<br>
# ACK without matching transaction ...
ignore and discard<br>
exit;<br>
}<br>
}<br>
sl_send_reply("404","Not here");<br>
}<br>
exit;<br>
}<br>
}<br>
<br>
# Handle SIP registrations<br>
route[REGISTRAR] {<br>
if (is_method("REGISTER"))<br>
{<br>
if(isflagset(FLT_NATS))<br>
{<br>
setbflag(FLB_NATB);<br>
# uncomment next line to do SIP NAT pinging <br>
## setbflag(FLB_NATSIPPING);<br>
}<br>
if (!save("location"))<br>
sl_reply_error();<br>
<br>
exit;<br>
}<br>
}<br>
<br>
# USER location service<br>
route[LOCATION] {<br>
<br>
#!ifdef WITH_ALIASDB<br>
# search in DB-based aliases<br>
alias_db_lookup("dbaliases");<br>
#!endif<br>
<br>
if (!lookup("location")) {<br>
switch ($rc) {<br>
case -1:<br>
case -3:<br>
t_newtran();<br>
t_reply("404", "Not Found");<br>
exit;<br>
case -2:<br>
sl_send_reply("405", "Method Not Allowed");<br>
exit;<br>
}<br>
}<br>
<br>
# when routing via usrloc, log the missed calls also<br>
if (is_method("INVITE"))<br>
{<br>
setflag(FLT_ACCMISSED);<br>
}<br>
}<br>
<br>
# Presence server route<br>
route[PRESENCE] {<br>
if(!is_method("PUBLISH|SUBSCRIBE"))<br>
return;<br>
<br>
#!ifdef WITH_PRESENCE<br>
if (!t_newtran())<br>
{<br>
sl_reply_error();<br>
exit;<br>
};<br>
<br>
if(is_method("PUBLISH"))<br>
{<br>
handle_publish();<br>
t_release();<br>
}<br>
else<br>
if( is_method("SUBSCRIBE"))<br>
{<br>
handle_subscribe();<br>
t_release();<br>
}<br>
exit;<br>
#!endif<br>
<br>
# if presence enabled, this part will not be executed<br>
if (is_method("PUBLISH") || $rU==$null)<br>
{<br>
sl_send_reply("404", "Not here");<br>
exit;<br>
}<br>
return;<br>
}<br>
<br>
# Authentication route<br>
route[AUTH] {<br>
#!ifdef WITH_AUTH<br>
if (is_method("REGISTER"))<br>
{<br>
# authenticate the REGISTER requests (uncomment to
enable auth)<br>
if (!www_authorize("$td", "subscriber"))<br>
{<br>
www_challenge("$td", "0");<br>
exit;<br>
}<br>
<br>
if ($au!=$tU)<br>
{<br>
sl_send_reply("403","Forbidden auth ID");<br>
exit;<br>
}<br>
} else {<br>
<br>
#!ifdef WITH_IPAUTH<br>
if(allow_source_address())<br>
{<br>
# source IP allowed<br>
return;<br>
}<br>
#!endif<br>
<br>
# authenticate if from local subscriber<br>
if (from_uri==myself)<br>
{<br>
if (!proxy_authorize("$fd", "subscriber")) {<br>
proxy_challenge("$fd", "0");<br>
exit;<br>
}<br>
if (is_method("PUBLISH"))<br>
{<br>
if ($au!=$tU) {<br>
sl_send_reply("403","Forbidden auth ID");<br>
exit;<br>
}<br>
} else {<br>
if ($au!=$fU) {<br>
sl_send_reply("403","Forbidden auth ID");<br>
exit;<br>
}<br>
}<br>
<br>
consume_credentials();<br>
# caller authenticated<br>
} else {<br>
# caller is not local subscriber, then check if it
calls<br>
# a local destination, otherwise deny, not an open
relay here<br>
if (!uri==myself)<br>
{<br>
sl_send_reply("403","Not relaying");<br>
exit;<br>
}<br>
}<br>
}<br>
#!endif<br>
return;<br>
}<br>
<br>
# Caller NAT detection route<br>
route[NAT] {<br>
#!ifdef WITH_NAT<br>
force_rport();<br>
if (nat_uac_test("19")) {<br>
if (method=="REGISTER") {<br>
fix_nated_register();<br>
}<br>
else {<br>
fix_nated_contact();<br>
}<br>
setflag(FLT_NATS);<br>
}<br>
#!endif<br>
return;<br>
}<br>
<br>
# RTPProxy control<br>
route[RTPPROXY] {<br>
#!ifdef WITH_NAT<br>
if (is_method("BYE")) {<br>
unforce_rtp_proxy();<br>
} else if (is_method("INVITE")){<br>
force_rtp_proxy();<br>
}<br>
if (!has_totag()) add_rr_param(";nat=yes");<br>
#!endif<br>
return;<br>
}<br>
<br>
# Routing to foreign domains<br>
route[SIPOUT] {<br>
if (!uri==myself)<br>
{<br>
append_hf("P-hint: outbound\r\n");<br>
route(RELAY);<br>
}<br>
}<br>
<br>
<br>
<br>
<br>
}<br>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
<a class="moz-txt-link-freetext" href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a class="moz-txt-link-freetext" href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a>
Kamailio World Conference, May 27-29, 2015
Berlin, Germany - <a class="moz-txt-link-freetext" href="http://www.kamailioworld.com">http://www.kamailioworld.com</a></pre>
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