[SR-Users] RTP Proxy issue on Kamailio 4
Carsten Bock
carsten at ng-voice.com
Fri Oct 25 09:51:14 CEST 2013
Hi,
it looks like you call
> rtpproxy_manage("rwie");
twice.
In this case, you see the IP beeing added twice.
Kind regards,
Carsten
2013/10/24 Mahmoud Ramadan Ali <cisco.and.more.blog at gmail.com>:
> Hello ,
> This is the first time to put a question on sr-users mailing list and i
> hope to help me to solve my issue...i'm following this post
> http://saevolgo.blogspot.com/2013/08/rtpproxy-revisited-kamailio-40.html to
> setup RTP Proxy for kamailio 4 but it's NOT working as predicted and i'm
> receiving this error message on asterisk...
>
> [2013-10-16 05:20:04] ERROR[3216][C-0000002c]: netsock2.c:269
> ast_sockaddr_resolve: getaddrinfo("192.168.1.80192.168.1.80", "(null)",
> ...): Name or service not known
> [2013-10-16 05:20:04] WARNING[3216][C-0000002c]: chan_sip.c:10873
> process_sdp_c: Unable to lookup RTP Audio host in c= line, 'IN IP4
> 192.168.1.80192.168.1.80'
> [2013-10-16 05:20:04] WARNING[3216][C-0000002c]: chan_sip.c:10464
> process_sdp: Insufficient information in SDP (c=)...
>
> The problem is NOT at the asterisk side but at the proxy side...when
> kamailio rewrites the SDP message it adds the public IP twice in the "C"
> filed of the SDP message instead of only one time like this 'IN IP4
> 192.168.1.80192.168.1.80' but i don't know why it's doing this...? if u have
> any idea or recommendations plz tell me cuz i'm new to kamailio...waiting ur
> reply and thanks in advance... also here's my config file if u want to take
> a look at it...
>
>
> #!KAMAILIO
>
>
>
> #!define WITH_MYSQL
>
> #!define WITH_AUTH
>
> #!define WITH_USRLOCDB
>
> #!define WITH_ASTERISK
>
> #!define WITH_NAT
>
>
> #
>
> # Kamailio (OpenSER) SIP Server v4.0 - default configuration script
>
> # - web: http://www.kamailio.org
>
> # - git: http://sip-router.org
>
> #
>
> # Direct your questions about this file to: <sr-users at lists.sip-router.org>
>
> #
>
> # Refer to the Core CookBook at http://www.kamailio.org/dokuwiki/doku.php
>
> # for an explanation of possible statements, functions and parameters.
>
> #
>
> # Several features can be enabled using '#!define WITH_FEATURE' directives:
>
> #
>
> # *** To run in debug mode:
>
> # - define WITH_DEBUG
>
> #
>
> # *** To enable mysql:
>
> # - define WITH_MYSQL
>
> #
>
> # *** To enable authentication execute:
>
> # - enable mysql
>
> # - define WITH_AUTH
>
> # - add users using 'kamctl'
>
> #
>
> # *** To enable IP authentication execute:
>
> # - enable mysql
>
> # - enable authentication
>
> # - define WITH_IPAUTH
>
> # - add IP addresses with group id '1' to 'address' table
>
> #
>
> # *** To enable persistent user location execute:
>
> # - enable mysql
>
> # - define WITH_USRLOCDB
>
> #
>
> # *** To enable presence server execute:
>
> # - enable mysql
>
> # - define WITH_PRESENCE
>
> #
>
> # *** To enable nat traversal execute:
>
> # - define WITH_NAT
>
> # - install RTPProxy: http://www.rtpproxy.org
>
> # - start RTPProxy:
>
> # rtpproxy -l _your_public_ip_ -s udp:localhost:7722
>
> #
>
> # *** To enable PSTN gateway routing execute:
>
> # - define WITH_PSTN
>
> # - set the value of pstn.gw_ip
>
> # - check route[PSTN] for regexp routing condition
>
> #
>
> # *** To enable database aliases lookup execute:
>
> # - enable mysql
>
> # - define WITH_ALIASDB
>
> #
>
> # *** To enable speed dial lookup execute:
>
> # - enable mysql
>
> # - define WITH_SPEEDDIAL
>
> #
>
> # *** To enable multi-domain support execute:
>
> # - enable mysql
>
> # - define WITH_MULTIDOMAIN
>
> #
>
> # *** To enable TLS support execute:
>
> # - adjust CFGDIR/tls.cfg as needed
>
> # - define WITH_TLS
>
> #
>
> # *** To enable XMLRPC support execute:
>
> # - define WITH_XMLRPC
>
> # - adjust route[XMLRPC] for access policy
>
> #
>
> # *** To enable anti-flood detection execute:
>
> # - adjust pike and htable=>ipban settings as needed (default is
>
> # block if more than 16 requests in 2 seconds and ban for 300 seconds)
>
> # - define WITH_ANTIFLOOD
>
> #
>
> # *** To block 3XX redirect replies execute:
>
> # - define WITH_BLOCK3XX
>
> #
>
> # *** To enable VoiceMail routing execute:
>
> # - define WITH_VOICEMAIL
>
> # - set the value of voicemail.srv_ip
>
> # - adjust the value of voicemail.srv_port
>
> #
>
> # *** To enhance accounting execute:
>
> # - enable mysql
>
> # - define WITH_ACCDB
>
> # - add following columns to database
>
> #!ifdef ACCDB_COMMENT
>
> ALTER TABLE acc ADD COLUMN src_user VARCHAR(64) NOT NULL DEFAULT '';
>
> ALTER TABLE acc ADD COLUMN src_domain VARCHAR(128) NOT NULL DEFAULT '';
>
> ALTER TABLE acc ADD COLUMN src_ip varchar(64) NOT NULL default '';
>
> ALTER TABLE acc ADD COLUMN dst_ouser VARCHAR(64) NOT NULL DEFAULT '';
>
> ALTER TABLE acc ADD COLUMN dst_user VARCHAR(64) NOT NULL DEFAULT '';
>
> ALTER TABLE acc ADD COLUMN dst_domain VARCHAR(128) NOT NULL DEFAULT '';
>
> ALTER TABLE missed_calls ADD COLUMN src_user VARCHAR(64) NOT NULL DEFAULT
> '';
>
> ALTER TABLE missed_calls ADD COLUMN src_domain VARCHAR(128) NOT NULL
> DEFAULT '';
>
> ALTER TABLE missed_calls ADD COLUMN src_ip varchar(64) NOT NULL default
> '';
>
> ALTER TABLE missed_calls ADD COLUMN dst_ouser VARCHAR(64) NOT NULL DEFAULT
> '';
>
> ALTER TABLE missed_calls ADD COLUMN dst_user VARCHAR(64) NOT NULL DEFAULT
> '';
>
> ALTER TABLE missed_calls ADD COLUMN dst_domain VARCHAR(128) NOT NULL
> DEFAULT '';
>
> #!endif
>
>
>
> ####### Defined Values #########
>
>
>
> # *** Value defines - IDs used later in config
>
> #!ifdef WITH_MYSQL
>
> # - database URL - used to connect to database server by modules such
>
> # as: auth_db, acc, usrloc, a.s.o.
>
> #!define DBURL "mysql://kamailio:kamailiorw@localhost/kamailio"
>
> #!ifdef WITH_ASTERISK
>
> #!define DBASTURL "mysql://root:passw0rd@192.168.1.10/mya2billing"
>
> #!endif
>
> #!endif
>
> #!ifdef WITH_MULTIDOMAIN
>
> # - the value for 'use_domain' parameters
>
> #!define MULTIDOMAIN 1
>
> #!else
>
> #!define MULTIDOMAIN 0
>
> #!endif
>
>
>
> # - flags
>
> # FLT_ - per transaction (message) flags
>
> # FLB_ - per branch flags
>
> #!define FLT_ACC 1
>
> #!define FLT_ACCMISSED 2
>
> #!define FLT_ACCFAILED 3
>
> #!define FLT_NATS 5
>
>
>
> #!define FLB_NATB 6
>
> #!define FLB_NATSIPPING 7
>
>
>
> ####### Global Parameters #########
>
>
>
> #!ifdef WITH_DEBUG
>
> debug=4
>
> log_stderror=yes
>
> #!else
>
> debug=2
>
> log_stderror=no
>
> #!endif
>
>
>
> memdbg=5
>
> memlog=5
>
>
>
> log_facility=LOG_LOCAL0
>
>
>
> fork=yes
>
> children=4
>
>
>
> /* uncomment the next line to disable TCP (default on) */
>
> #disable_tcp=yes
>
>
>
> /* uncomment the next line to disable the auto discovery of local aliases
>
> based on reverse DNS on IPs (default on) */
>
> #auto_aliases=no
>
>
>
> /* add local domain aliases */
>
> #alias="sip.mydomain.com"
>
>
>
> /* uncomment and configure the following line if you want Kamailio to
>
> bind on a specific interface/port/proto (default bind on all available)
> */
>
> #listen=udp:10.0.0.10:5060
>
>
>
> /* port to listen to
>
> * - can be specified more than once if needed to listen on many ports */
>
> port=5060
>
>
>
> #!ifdef WITH_TLS
>
> enable_tls=yes
>
> #!endif
>
>
>
> # life time of TCP connection when there is no traffic
>
> # - a bit higher than registration expires to cope with UA behind NAT
>
> tcp_connection_lifetime=3605
>
>
>
> mhomed=1
>
> ####### Custom Parameters #########
>
>
>
> # These parameters can be modified runtime via RPC interface
>
> # - see the documentation of 'cfg_rpc' module.
>
> #
>
> # Format: group.id = value 'desc' description
>
> # Access: $sel(cfg_get.group.id) or @cfg_get.group.id
>
> #
>
>
>
> #!ifdef WITH_PSTN
>
> # PSTN GW Routing
>
> #
>
> # - pstn.gw_ip: valid IP or hostname as string value, example:
>
> # pstn.gw_ip = "10.0.0.101" desc "My PSTN GW Address"
>
> #
>
> # - by default is empty to avoid misrouting
>
> pstn.gw_ip = "" desc "PSTN GW Address"
>
> #!endif
>
>
>
> #!ifdef WITH_VOICEMAIL
>
> # VoiceMail Routing on offline, busy or no answer
>
> #
>
> # - by default Voicemail server IP is empty to avoid misrouting
>
> voicemail.srv_ip = "" desc "VoiceMail IP Address"
>
> voicemail.srv_port = "5060" desc "VoiceMail Port"
>
> #!endif
>
>
>
>
>
> #!ifdef WITH_ASTERISK
>
> asterisk.bindip = "192.168.1.10" desc "Asterisk IP Address"
>
> asterisk.bindport = "5060" desc "Asterisk Port"
>
> kamailio.bindip = "192.168.1.40" desc "Kamailio IP Address"
>
> kamailio.bindport = "5060" desc "Kamailio Port"
>
> #!endif
>
>
>
> ####### Modules Section ########
>
>
>
> # set paths to location of modules (to sources or installation folders)
>
> #!ifdef WITH_SRCPATH
>
> mpath="modules_k:modules"
>
> #!else
>
> mpath="/usr/local/lib/kamailio/modules_k/:/usr/local/lib/kamailio/modules/"
>
> #!endif
>
>
>
> #!ifdef WITH_MYSQL
>
> loadmodule "db_mysql.so"
>
> #!endif
>
>
>
> loadmodule "mi_fifo.so"
>
> loadmodule "kex.so"
>
> loadmodule "tm.so"
>
> loadmodule "tmx.so"
>
> loadmodule "sl.so"
>
> loadmodule "rr.so"
>
> loadmodule "pv.so"
>
> loadmodule "maxfwd.so"
>
> loadmodule "usrloc.so"
>
> loadmodule "registrar.so"
>
> loadmodule "textops.so"
>
> loadmodule "siputils.so"
>
> loadmodule "xlog.so"
>
> loadmodule "sanity.so"
>
> loadmodule "ctl.so"
>
> loadmodule "cfg_rpc.so"
>
> loadmodule "mi_rpc.so"
>
> loadmodule "acc.so"
>
> loadmodule "dispatcher.so"
>
> loadmodule "ipops.so"
>
> loadmodule "sqlops.so"
>
>
>
> #!ifdef WITH_AUTH
>
> loadmodule "auth.so"
>
> loadmodule "auth_db.so"
>
> #!ifdef WITH_IPAUTH
>
> loadmodule "permissions.so"
>
> #!endif
>
> #!endif
>
>
>
> #!ifdef WITH_ALIASDB
>
> loadmodule "alias_db.so"
>
> #!endif
>
>
>
> #!ifdef WITH_SPEEDDIAL
>
> loadmodule "speeddial.so"
>
> #!endif
>
>
>
> #!ifdef WITH_MULTIDOMAIN
>
> loadmodule "domain.so"
>
> #!endif
>
>
>
> #!ifdef WITH_PRESENCE
>
> loadmodule "presence.so"
>
> loadmodule "presence_xml.so"
>
> #!endif
>
>
>
> #!ifdef WITH_NAT
>
> loadmodule "nathelper.so"
>
> loadmodule "rtpproxy.so"
>
> #!endif
>
>
>
> #!ifdef WITH_TLS
>
> loadmodule "tls.so"
>
> #!endif
>
>
>
> #!ifdef WITH_ANTIFLOOD
>
> loadmodule "htable.so"
>
> loadmodule "pike.so"
>
> #!endif
>
>
>
> #!ifdef WITH_XMLRPC
>
> loadmodule "xmlrpc.so"
>
> #!endif
>
>
>
> #!ifdef WITH_DEBUG
>
> loadmodule "debugger.so"
>
> #!endif
>
>
>
> #!ifdef WITH_ASTERISK
>
> loadmodule "uac.so"
>
> #!endif
>
>
>
> # ----------------- setting module-specific parameters ---------------
>
>
>
>
>
> # ----- mi_fifo params -----
>
> modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
>
>
>
>
>
> # ----- tm params -----
>
> # auto-discard branches from previous serial forking leg
>
> modparam("tm", "failure_reply_mode", 3)
>
> # default retransmission timeout: 30sec
>
> modparam("tm", "fr_timer", 30000)
>
> # default invite retransmission timeout after 1xx: 120sec
>
> modparam("tm", "fr_inv_timer", 120000)
>
>
>
>
>
> # ----- rr params -----
>
> # add value to ;lr param to cope with most of the UAs
>
> modparam("rr", "enable_full_lr", 1)
>
> # do not append from tag to the RR (no need for this script)
>
> #!ifdef WITH_ASTERISK
>
> modparam("rr", "append_fromtag", 1)
>
> #!else
>
> modparam("rr", "append_fromtag", 0)
>
> #!endif
>
>
>
> # ----- registrar params -----
>
> modparam("registrar", "method_filtering", 1)
>
> /* uncomment the next line to disable parallel forking via location */
>
> # modparam("registrar", "append_branches", 0)
>
> /* uncomment the next line not to allow more than 10 contacts per AOR */
>
> #modparam("registrar", "max_contacts", 10)
>
> # max value for expires of registrations
>
> modparam("registrar", "max_expires", 3600)
>
> # set it to 1 to enable GRUU
>
> modparam("registrar", "gruu_enabled", 0)
>
>
>
>
>
> # ----- acc params -----
>
> /* what special events should be accounted ? */
>
> modparam("acc", "early_media", 0)
>
> modparam("acc", "report_ack", 0)
>
> modparam("acc", "report_cancels", 0)
>
> /* by default ww do not adjust the direct of the sequential requests.
>
> if you enable this parameter, be sure the enable "append_fromtag"
>
> in "rr" module */
>
> modparam("acc", "detect_direction", 0)
>
> /* account triggers (flags) */
>
> modparam("acc", "log_flag", FLT_ACC)
>
> modparam("acc", "log_missed_flag", FLT_ACCMISSED)
>
> modparam("acc", "log_extra",
>
> "src_user=$fU;src_domain=$fd;src_ip=$si;"
>
> "dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
>
> modparam("acc", "failed_transaction_flag", FLT_ACCFAILED)
>
> /* enhanced DB accounting */
>
> #!ifdef WITH_ACCDB
>
> modparam("acc", "db_flag", FLT_ACC)
>
> modparam("acc", "db_missed_flag", FLT_ACCMISSED)
>
> modparam("acc", "db_url", DBURL)
>
> modparam("acc", "db_extra",
>
> "src_user=$fU;src_domain=$fd;src_ip=$si;"
>
> "dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
>
> #!endif
>
>
>
>
>
> # ----- usrloc params -----
>
> /* enable DB persistency for location entries */
>
> #!ifdef WITH_USRLOCDB
>
> modparam("usrloc", "db_url", DBURL)
>
> modparam("usrloc", "db_mode", 2)
>
> modparam("usrloc", "use_domain", MULTIDOMAIN)
>
> #!endif
>
>
>
>
>
> # ----- auth_db params -----
>
> #!ifdef WITH_AUTH
>
> modparam("auth_db", "calculate_ha1", yes)
>
> modparam("auth_db", "load_credentials", "")
>
>
>
> #!ifdef WITH_ASTERISK
>
> modparam("auth_db", "user_column", "username")
>
> modparam("auth_db", "password_column", "secret")
>
> modparam("auth_db", "db_url", DBASTURL)
>
> modparam("auth_db", "version_table", 0)
>
> #!else
>
> modparam("auth_db", "db_url", DBURL)
>
> modparam("auth_db", "password_column", "password")
>
> modparam("auth_db", "use_domain", MULTIDOMAIN)
>
> #!endif
>
>
>
> # ----- permissions params -----
>
> #!ifdef WITH_IPAUTH
>
> modparam("permissions", "db_url", DBURL)
>
> modparam("permissions", "db_mode", 1)
>
> #!endif
>
>
>
> #!endif
>
>
>
>
>
> # ----- alias_db params -----
>
> #!ifdef WITH_ALIASDB
>
> modparam("alias_db", "db_url", DBURL)
>
> modparam("alias_db", "use_domain", MULTIDOMAIN)
>
> #!endif
>
>
>
>
>
> # ----- speedial params -----
>
> #!ifdef WITH_SPEEDDIAL
>
> modparam("speeddial", "db_url", DBURL)
>
> modparam("speeddial", "use_domain", MULTIDOMAIN)
>
> #!endif
>
>
>
>
>
> # ----- domain params -----
>
> #!ifdef WITH_MULTIDOMAIN
>
> modparam("domain", "db_url", DBURL)
>
> # register callback to match myself condition with domains list
>
> modparam("domain", "register_myself", 1)
>
> #!endif
>
>
>
>
>
> #!ifdef WITH_PRESENCE
>
> # ----- presence params -----
>
> modparam("presence", "db_url", DBURL)
>
>
>
> # ----- presence_xml params -----
>
> modparam("presence_xml", "db_url", DBURL)
>
> modparam("presence_xml", "force_active", 1)
>
> #!endif
>
>
>
>
>
> #!ifdef WITH_NAT
>
> # ----- rtpproxy params -----
>
> modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:7722")
>
>
>
> # ----- nathelper params -----
>
> modparam("nathelper", "natping_interval", 30)
>
> modparam("nathelper", "ping_nated_only", 1)
>
> modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
>
> modparam("nathelper", "sipping_from", "sip:pinger at kamailio.org")
>
>
>
> # params needed for NAT traversal in other modules
>
> modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
>
> modparam("usrloc", "nat_bflag", FLB_NATB)
>
> #!endif
>
>
>
>
>
> #!ifdef WITH_TLS
>
> # ----- tls params -----
>
> modparam("tls", "config", "/usr/local/etc/kamailio/tls.cfg")
>
> #!endif
>
>
>
> #!ifdef WITH_ANTIFLOOD
>
> # ----- pike params -----
>
> modparam("pike", "sampling_time_unit", 2)
>
> modparam("pike", "reqs_density_per_unit", 16)
>
> modparam("pike", "remove_latency", 4)
>
>
>
> # ----- htable params -----
>
> # ip ban htable with autoexpire after 5 minutes
>
> modparam("htable", "htable", "ipban=>size=8;autoexpire=300;")
>
> #!endif
>
>
>
> #!ifdef WITH_XMLRPC
>
> # ----- xmlrpc params -----
>
> modparam("xmlrpc", "route", "XMLRPC");
>
> modparam("xmlrpc", "url_match", "^/RPC")
>
> #!endif
>
>
>
> #!ifdef WITH_DEBUG
>
> # ----- debugger params -----
>
> modparam("debugger", "cfgtrace", 1)
>
> #!endif
>
>
>
> # ------- Load-balancer params ------
>
> modparam("dispatcher",
> "db_url","mysql://kamailio:kamailiorw@localhost/kamailio")
>
> modparam("dispatcher", "table_name", "dispatcher")
>
> modparam("dispatcher", "setid_col", "setid")
>
> modparam("dispatcher", "destination_col", "destination")
>
> modparam("dispatcher", "flags_col", "flags")
>
> modparam("dispatcher", "priority_col", "priority")
>
> modparam("dispatcher", "force_dst", 1)
>
> modparam("dispatcher", "flags", 2)
>
> modparam("dispatcher", "dst_avp", "$avp(i:271)")
>
> modparam("dispatcher", "grp_avp", "$avp(i:272)")
>
> modparam("dispatcher", "cnt_avp", "$avp(i:273)")
>
> modparam("dispatcher", "ds_ping_from", "sip:Kamailio-Proxy at 192.168.1.40")
>
> modparam("dispatcher", "ds_ping_interval",15)
>
> modparam("dispatcher", "ds_probing_threshhold", 3)
>
> modparam("dispatcher", "ds_ping_method", "OPTIONS")
>
> modparam("dispatcher", "ds_probing_mode", 1)
>
> modparam("dispatcher", "ds_ping_reply_codes",
> "class=2;code=403;code=404;code=484;class=3")
>
>
> # ----- SQLops params -----
>
> modparam("sqlops","sqlcon","ca=>mysql://kamailio:kamailiorw@localhost/kamailio")
>
>
> ####### Routing Logic ########
>
>
>
>
>
> # Main SIP request routing logic
>
> # - processing of any incoming SIP request starts with this route
>
> # - note: this is the same as route { ... }
>
> request_route {
>
>
>
> # per request initial checks
>
> route(REQINIT);
>
>
>
> # NAT detection
>
> route(NATDETECT);
>
>
>
> # handle requests within SIP dialogs
>
> route(WITHINDLG);
>
>
>
> ### only initial requests (no To tag)
>
>
>
> # CANCEL processing
>
> if (is_method("CANCEL"))
>
> {
>
> if (t_check_trans())
>
> t_relay();
>
> exit;
>
> }
>
>
>
> t_check_trans();
>
>
>
> # authentication
>
> route(AUTH);
>
>
>
> # record routing for dialog forming requests (in case they are routed)
>
> # - remove preloaded route headers
>
> remove_hf("Route");
>
> if (is_method("INVITE|SUBSCRIBE"))
>
> record_route();
>
>
>
> # account only INVITEs
>
> if (is_method("INVITE"))
>
> {
>
> setflag(FLT_ACC); # do accounting
>
> }
>
>
>
> # dispatch requests to foreign domains
>
> route(SIPOUT);
>
>
>
> ### requests for my local domains
>
>
>
> # handle presence related requests
>
> route(PRESENCE);
>
>
>
> # handle registrations
>
> route(REGISTRAR);
>
>
>
> if ($rU==$null)
>
> {
>
> # request with no Username in RURI
>
> sl_send_reply("484","Address Incomplete");
>
> exit;
>
> }
>
>
>
> # dispatch destinations to PSTN
>
> route(PSTN);
>
>
>
> # user location service
>
> route(LOCATION);
>
>
>
> route(RELAY);
>
> }
>
>
>
>
>
> route[RELAY] {
>
>
>
> # enable additional event routes for forwarded requests
>
> # - serial forking, RTP relaying handling, a.s.o.
>
> if (is_method("INVITE|SUBSCRIBE")) {
>
> t_on_branch("MANAGE_BRANCH");
>
> t_on_reply("MANAGE_REPLY");
>
> }
>
> if (is_method("INVITE")) {
>
> t_on_failure("MANAGE_FAILURE");
>
> }
>
>
>
> if (!t_relay()) {
>
> sl_reply_error();
>
> }
>
> exit;
>
> }
>
>
>
> # Per SIP request initial checks
>
> route[REQINIT] {
>
> #!ifdef WITH_ANTIFLOOD
>
> # flood dection from same IP and traffic ban for a while
>
> # be sure you exclude checking trusted peers, such as pstn gateways
>
> # - local host excluded (e.g., loop to self)
>
> if(src_ip!=myself)
>
> {
>
> if($sht(ipban=>$si)!=$null)
>
> {
>
> # ip is already blocked
>
> xdbg("request from blocked IP - $rm from $fu (IP:$si:$sp)\n");
>
> exit;
>
> }
>
> if (!pike_check_req())
>
> {
>
> xlog("L_ALERT","ALERT: pike blocking $rm from $fu (IP:$si:$sp)\n");
>
> $sht(ipban=>$si) = 1;
>
> exit;
>
> }
>
> }
>
> #!endif
>
>
>
> if (!mf_process_maxfwd_header("10")) {
>
> sl_send_reply("483","Too Many Hops");
>
> exit;
>
> }
>
>
>
> if(!sanity_check("1511", "7"))
>
> {
>
> xlog("Malformed SIP message from $si:$sp\n");
>
> exit;
>
> }
>
> }
>
>
>
> # Handle requests within SIP dialogs
>
> route[WITHINDLG] {
>
> if (has_totag()) {
>
> # sequential request withing a dialog should
>
> # take the path determined by record-routing
>
> if (loose_route()) {
>
> if (is_method("BYE")) {
>
> setflag(FLT_ACC); # do accounting ...
>
> setflag(FLT_ACCFAILED); # ... even if the transaction fails
>
> }
>
> if ( is_method("ACK") ) {
>
> # ACK is forwarded statelessy
>
> route(NATMANAGE);
>
> }
>
> route(RELAY);
>
> } else {
>
> if (is_method("SUBSCRIBE") && uri == myself) {
>
> # in-dialog subscribe requests
>
> route(PRESENCE);
>
> exit;
>
> }
>
> if ( is_method("ACK") ) {
>
> if ( t_check_trans() ) {
>
> # no loose-route, but stateful ACK;
>
> # must be an ACK after a 487
>
> # or e.g. 404 from upstream server
>
> t_relay();
>
> exit;
>
> } else {
>
> # ACK without matching transaction ... ignore and discard
>
> exit;
>
> }
>
> }
>
> sl_send_reply("404","Not here");
>
> }
>
> exit;
>
> }
>
> }
>
>
>
> # Handle SIP registrations
>
> route[REGISTRAR] {
>
> if (is_method("REGISTER"))
>
> {
>
> if(isflagset(FLT_NATS))
>
> {
>
> setbflag(FLB_NATB);
>
> # uncomment next line to do SIP NAT pinging
>
> setbflag(FLB_NATSIPPING);
>
> }
>
> if (!save("location"))
>
> sl_reply_error();
>
>
> if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB))){
>
> return;
>
> }
>
>
> route(NATMANAGE);
>
>
> #!ifdef WITH_ASTERISK
>
> route(REGFWD);
>
> #!endif
>
>
>
> exit;
>
> }
>
> }
>
>
>
> # USER location service
>
> route[LOCATION] {
>
>
>
> #!ifdef WITH_SPEEDIAL
>
> # search for short dialing - 2-digit extension
>
> if($rU=~"^[0-9][0-9]$")
>
> if(sd_lookup("speed_dial"))
>
> route(SIPOUT);
>
> #!endif
>
>
>
> #!ifdef WITH_ALIASDB
>
> # search in DB-based aliases
>
> if(alias_db_lookup("dbaliases"))
>
> route(SIPOUT);
>
> #!endif
>
>
>
> #!ifdef WITH_ASTERISK
>
> if(is_method("INVITE") && (!route(FROMASTERISK))) {
>
> # if new call from out there - send to Asterisk
>
> # - non-INVITE request are routed directly by Kamailio
>
> # - traffic from Asterisk is routed also directy by Kamailio
>
> route(TOASTERISK);
>
> exit;
>
> }
>
> #!endif
>
>
>
> $avp(oexten) = $rU;
>
> if (!lookup("location")) {
>
> $var(rc) = $rc;
>
> route(TOVOICEMAIL);
>
> t_newtran();
>
> switch ($var(rc)) {
>
> case -1:
>
> case -3:
>
> send_reply("404", "Not Found");
>
> exit;
>
> case -2:
>
> send_reply("405", "Method Not Allowed");
>
> exit;
>
> }
>
> }
>
>
>
> # when routing via usrloc, log the missed calls also
>
> if (is_method("INVITE"))
>
> {
>
> setflag(FLT_ACCMISSED);
>
> }
>
> }
>
>
>
> # Presence server route
>
> route[PRESENCE] {
>
> if(!is_method("PUBLISH|SUBSCRIBE"))
>
> return;
>
>
>
> #!ifdef WITH_PRESENCE
>
> if (!t_newtran())
>
> {
>
> sl_reply_error();
>
> exit;
>
> };
>
>
>
> if(is_method("PUBLISH"))
>
> {
>
> handle_publish();
>
> t_release();
>
> }
>
> else
>
> if( is_method("SUBSCRIBE"))
>
> {
>
> handle_subscribe();
>
> t_release();
>
> }
>
> exit;
>
> #!endif
>
>
>
> # if presence enabled, this part will not be executed
>
> if (is_method("PUBLISH") || $rU==$null)
>
> {
>
> sl_send_reply("404", "Not here");
>
> exit;
>
> }
>
> return;
>
> }
>
>
>
> # Authentication route
>
> route[AUTH] {
>
> #!ifdef WITH_AUTH
>
>
>
> #!ifdef WITH_ASTERISK
>
> # do not auth traffic from Asterisk - trusted!
>
> if(route(FROMASTERISK))
>
> return;
>
> #!endif
>
>
>
> #!ifdef WITH_IPAUTH
>
> if((!is_method("REGISTER")) && allow_source_address())
>
> {
>
> # source IP allowed
>
> return;
>
> }
>
> #!endif
>
>
>
> if (is_method("REGISTER") || from_uri==myself)
>
> {
>
> # authenticate requests
>
> #!ifdef WITH_ASTERISK
>
> if (!auth_check("$fd", "cc_sip_buddies", "1")) {
>
> #!else
>
> if (!auth_check("$fd", "subscriber", "1")) {
>
> #!endif
>
> auth_challenge("$fd", "0");
>
> exit;
>
> }
>
> # user authenticated - remove auth header
>
> if(!is_method("REGISTER|PUBLISH"))
>
> consume_credentials();
>
> }
>
> # if caller is not local subscriber, then check if it calls
>
> # a local destination, otherwise deny, not an open relay here
>
> if (from_uri!=myself && uri!=myself)
>
> {
>
> sl_send_reply("403","Not relaying");
>
> exit;
>
> }
>
>
>
> #!endif
>
> return;
>
> }
>
>
>
> # Caller NAT detection route
>
> route[NATDETECT] {
>
> #!ifdef WITH_NAT
>
> force_rport();
>
> if (nat_uac_test("19")) {
>
> if (is_method("REGISTER")) {
>
> fix_nated_register();
>
> } else {
>
> fix_nated_contact();
>
> }
>
> setflag(FLT_NATS);
>
> }
>
> #!endif
>
> return;
>
> }
>
>
>
> # RTPProxy control
>
> route[NATMANAGE] {
>
> if (is_method("INVITE")){
>
> sql_query("ca", "select destination from dispatcher where
> destination like '%$dd%'","ra");
>
> if($dbr(ra=>rows)>0){
>
> $avp(duip)=$(du{s.select,-2,:});
>
> if (is_ip_rfc1918("$avp(duip)")) {
>
> xlog("L_INFO", "Call is going to private
> IPv4 Media Server Engage RTPProxy Now\n");
>
> #rtpproxy_manage("crwie","192.168.1.40");
>
> rtpproxy_manage("rwie");
>
> }
>
>
> }
>
> else if(ds_is_from_list()){
>
> if (is_ip_rfc1918("$si")) {
>
> xlog("L_INFO", " Call is coming from a
> private IPv4 Media Server Engage RTPProxy Now\n");
>
> #rtpproxy_manage("crwei","192.168.1.80");
>
> rtpproxy_manage("rwei");
>
>
> }
>
> }else if(!ds_is_from_list()){
>
>
> rtpproxy_manage("rwie");
>
>
> }
>
> }
>
>
>
> }
>
>
>
> # Routing to foreign domains
>
> route[SIPOUT] {
>
> if (!uri==myself)
>
> {
>
> append_hf("P-hint: outbound\r\n");
>
> route(RELAY);
>
> }
>
> }
>
>
>
> # PSTN GW routing
>
> route[PSTN] {
>
> #!ifdef WITH_PSTN
>
> # check if PSTN GW IP is defined
>
> if (strempty($sel(cfg_get.pstn.gw_ip))) {
>
> xlog("SCRIPT: PSTN rotuing enabled but pstn.gw_ip not defined\n");
>
> return;
>
> }
>
>
>
> # route to PSTN dialed numbers starting with '+' or '00'
>
> # (international format)
>
> # - update the condition to match your dialing rules for PSTN routing
>
> if(!($rU=~"^(\+|00)[1-9][0-9]{3,20}$"))
>
> return;
>
>
>
> # only local users allowed to call
>
> if(from_uri!=myself) {
>
> sl_send_reply("403", "Not Allowed");
>
> exit;
>
> }
>
>
>
> $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip);
>
>
>
> route(RELAY);
>
> exit;
>
> #!endif
>
>
>
> return;
>
> }
>
>
>
> # XMLRPC routing
>
> #!ifdef WITH_XMLRPC
>
> route[XMLRPC] {
>
> # allow XMLRPC from localhost
>
> if ((method=="POST" || method=="GET")
>
> && (src_ip==127.0.0.1)) {
>
> # close connection only for xmlrpclib user agents (there is a bug in
>
> # xmlrpclib: it waits for EOF before interpreting the response).
>
> if ($hdr(User-Agent) =~ "xmlrpclib")
>
> set_reply_close();
>
> set_reply_no_connect();
>
> dispatch_rpc();
>
> exit;
>
> }
>
> send_reply("403", "Forbidden");
>
> exit;
>
> }
>
> #!endif
>
>
>
> # route to voicemail server
>
> route[TOVOICEMAIL] {
>
> #!ifdef WITH_VOICEMAIL
>
> if(!is_method("INVITE"))
>
> return;
>
>
>
> # check if VoiceMail server IP is defined
>
> if (strempty($sel(cfg_get.voicemail.srv_ip))) {
>
> xlog("SCRIPT: VoiceMail rotuing enabled but IP not defined\n");
>
> return;
>
> }
>
> if($avp(oexten)==$null)
>
> return;
>
>
>
> $ru = "sip:" + $avp(oexten) + "@" + $sel(cfg_get.voicemail.srv_ip)
>
> + ":" + $sel(cfg_get.voicemail.srv_port);
>
> route(RELAY);
>
> exit;
>
> #!endif
>
>
>
> return;
>
> }
>
>
>
> # manage outgoing branches
>
> branch_route[MANAGE_BRANCH] {
>
> xdbg("new branch [$T_branch_idx] to $ru\n");
>
> route(NATMANAGE);
>
> }
>
>
>
> # manage incoming replies
>
> onreply_route[MANAGE_REPLY] {
>
> xdbg("incoming reply\n");
>
> if(status=~"[12][0-9][0-9]")
>
> route(NATMANAGE);
>
> }
>
>
>
> # manage failure routing cases
>
> failure_route[MANAGE_FAILURE] {
>
> route(NATMANAGE);
>
>
>
> if (t_is_canceled()) {
>
> exit;
>
> }
>
>
>
> #!ifdef WITH_BLOCK3XX
>
> # block call redirect based on 3xx replies.
>
> if (t_check_status("3[0-9][0-9]")) {
>
> t_reply("404","Not found");
>
> exit;
>
> }
>
> #!endif
>
>
>
> #!ifdef WITH_VOICEMAIL
>
> # serial forking
>
> # - route to voicemail on busy or no answer (timeout)
>
> if (t_check_status("486|408")) {
>
> route(TOVOICEMAIL);
>
> exit;
>
> }
>
> #!endif
>
> }
>
>
>
> #!ifdef WITH_ASTERISK
>
> # Test if coming from Asterisk
>
> route[FROMASTERISK] {
>
> if(ds_is_from_list()){
>
> rtpproxy_manage("cawie");
>
> xlog("L_INFO","[$fU@$si:$sp]{$rm} Call from Media-Server Cluster\n");
>
> return 1;
>
> }
>
> return -1;
>
> }
>
>
>
> # Send to Asterisk
>
> route[TOASTERISK] {
>
> ds_mark_dst("IP");
>
> if(!ds_select_dst("1", "9")) {
>
> sl_send_reply("500", "Service Unavailable");
>
> xlog("L_INFO","[$fU@$si:$sp]{$rm} No destinations available
> for $rd \n");
>
> exit;
>
> }
>
>
> xlog("L_INFO","[$fU@$si:$sp]{$rm} From Outside World to Asterisk Box
> $du\n");
>
> rtpproxy_manage("cawei");
>
>
> route(RELAY);
>
> exit;
>
> }
>
>
>
> # Forward REGISTER to Asterisk
>
> route[REGFWD] {
>
> if(!is_method("REGISTER"))
>
> {
>
> return;
>
> }
>
> $var(rip) = $sel(cfg_get.asterisk.bindip);
>
> $uac_req(method)="REGISTER";
>
> $uac_req(ruri)="sip:" + $var(rip) + ":" + $sel(cfg_get.asterisk.bindport);
>
> $uac_req(furi)="sip:" + $au + "@" + $var(rip);
>
> $uac_req(turi)="sip:" + $au + "@" + $var(rip);
>
> $uac_req(hdrs)="Contact: <sip:" + $au + "@"
>
> + $sel(cfg_get.kamailio.bindip)
>
> + ":" + $sel(cfg_get.kamailio.bindport) + ">\r\n";
>
> if($sel(contact.expires) != $null)
>
> $uac_req(hdrs)= $uac_req(hdrs) + "Expires: " + $sel(contact.expires) +
> "\r\n";
>
> else
>
> $uac_req(hdrs)= $uac_req(hdrs) + "Expires: " + $hdr(Expires) + "\r\n";
>
> uac_req_send();
>
> }
>
> #!endif
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
--
Carsten Bock
CEO (Geschäftsführer)
ng-voice GmbH
Schomburgstr. 80
D-22767 Hamburg / Germany
http://www.ng-voice.com
mailto:carsten at ng-voice.com
Office +49 40 34927219
Fax +49 40 34927220
Sitz der Gesellschaft: Hamburg
Registergericht: Amtsgericht Hamburg, HRB 120189
Geschäftsführer: Carsten Bock
Ust-ID: DE279344284
Hier finden Sie unsere handelsrechtlichen Pflichtangaben:
http://www.ng-voice.com/imprint/
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