[SR-Users] blf with kamailio not sending NOTIFY

Ravi Kuru ravi.kuru at callture.com
Mon Dec 11 17:27:15 CET 2017


Hi,

I set up BLF but not working, phone sending SUBSCRIBE message then kamailio
is sending 202 OK but not sending NOTIFY message.
What could be the issue.

Last login: Mon Dec 11 10:56:53 on ttys000

raveechdransmbp:~ rkuru$ ssh -p44422 kuru.ravi at 67.227.65.10

kuru.ravi at 67.227.65.10's password:

Last login: Sun Dec 10 10:25:45 2017 from 216.123.66.49

[kuru.ravi at rpx1 ~]$ su -

Password:

Last login: Sun Dec 10 10:25:53 EST 2017 on pts/0

[root at rpx1 ~]# cd /usr/local/etc/kamailio/

[root at rpx1 kamailio]# vi kamailio.cfg

[root at rpx1 kamailio]# vi

[root at rpx1 kamailio]# cd

[root at rpx1 ~]# vi a

































    Request-Line: SUBSCRIBE sip:8665336444_202 at 67.227.65.10 SIP/2.0

        Method: SUBSCRIBE

        Request-URI: sip:8665336444_202 at 67.227.65.10

            Request-URI User Part: 8665336444_202

            Request-URI Host Part: 67.227.65.10

        [Resent Packet: False]

    Message Header

        Via: SIP/2.0/UDP 66.46.51.154:21389;branch=z9hG4bK1022076515;rport

            Transport: UDP

            Sent-by Address: 66.46.51.154

            Sent-by port: 21389

            Branch: z9hG4bK1022076515

            RPort: rport

        From: <sip:8665336444_201 at 67.227.65.10>;tag=1691126593

            SIP from address: sip:8665336444_201 at 67.227.65.10

                SIP from address User Part: 8665336444_201

                SIP from address Host Part: 67.227.65.10

            SIP from tag: 1691126593

        To: <sip:8665336444_202 at 67.227.65.10>

            SIP to address: sip:8665336444_202 at 67.227.65.10

                SIP to address User Part: 8665336444_202

                SIP to address Host Part: 67.227.65.10

        Call-ID: 1930543912-5060-5 at BA.B.B.BEC

        CSeq: 20031 SUBSCRIBE

            Sequence Number: 20031

            Method: SUBSCRIBE

        Contact: <sip:8665336444_201 at 66.46.51.154:21389>

            Contact URI: sip:8665336444_201 at 66.46.51.154:21389

                Contact URI User Part: 8665336444_201

                Contact URI Host Part: 66.46.51.154

                Contact URI Host Port: 21389

        Proxy-Authorization: Digest username="8665336444_201",
realm="67.227.65.10", nonce="Wil7QVopehWJO/uGzcWNmD3vlFL39ztq", uri="
sip:8665336444_202 at 67.227.65.10",
response="c7bf71e9f7f4d9720655531cbd768cff", algorithm=MD5

            Authentication Scheme: Digest

            Username: "8665336444_201"

            Realm: "67.227.65.10"

            Nonce Value: "Wil7QVopehWJO/uGzcWNmD3vlFL39ztq"

            Authentication URI: "sip:8665336444_202 at 67.227.65.10"

            Digest Authentication Response:
"c7bf71e9f7f4d9720655531cbd768cff"

            Algorithm: MD5

        X-Grandstream-PBX: true

            [Expert Info (Note/Undecoded): Unrecognised SIP header
(X-Grandstream-PBX)]

                [Message: Unrecognised SIP header (X-Grandstream-PBX)]

                [Severity level: Note]

                [Group: Undecoded]

        Max-Forwards: 70

        User-Agent: Grandstream GXP2160 1.0.5.29

        Expires: 1800

        Supported: replaces, path, timer, eventlist

        Event: dialog

        Accept:
application/dialog-info+xml,multipart/related,application/rlmi+xml

        Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO,
REFER, UPDATE, MESSAGE

        Content-Length: 0


Session Initiation Protocol (202)

    Status-Line: SIP/2.0 202 OK

        Status-Code: 202

        [Resent Packet: False]

        [Request Frame: 295]

        [Response Time (ms): 0]

    Message Header

        Via: SIP/2.0/UDP 66.46.51.154:21389
;branch=z9hG4bK1022076515;rport=21389;received=66.46.51.154

            Transport: UDP

            Sent-by Address: 66.46.51.154

            Sent-by port: 21389

            Branch: z9hG4bK1022076515

            RPort: 21389

            Received: 66.46.51.154

        From: <sip:8665336444_201 at 67.227.65.10>;tag=1691126593

            SIP from address: sip:8665336444_201 at 67.227.65.10

                SIP from address User Part: 8665336444_201

                SIP from address Host Part: 67.227.65.10

            SIP from tag: 1691126593

        To: <sip:8665336444_202 at 67.227.65.10
>;tag=a6a1c5f60faecf035a1ae5b6e96e979a-fbce

            SIP to address: sip:8665336444_202 at 67.227.65.10

                SIP to address User Part: 8665336444_202

                SIP to address Host Part: 67.227.65.10

            SIP to tag: a6a1c5f60faecf035a1ae5b6e96e979a-fbce

        Call-ID: 1930543912-5060-5 at BA.B.B.BEC

        CSeq: 20031 SUBSCRIBE

            Sequence Number: 20031

            Method: SUBSCRIBE

        Expires: 1800

        Contact: <sip:67.227.65.19:5060>

            Contact URI: sip:67.227.65.19:5060

                Contact URI Host Part: 67.227.65.19

                Contact URI Host Port: 5060

        Server: kamailio (5.0.3 (x86_64/linux))

        Content-Length: 0



this is the my kamailio.cfg

Last login: Mon Dec 11 10:56:53 on ttys000

raveechdransmbp:~ rkuru$ ssh -p44422 kuru.ravi at 67.227.65.10

kuru.ravi at 67.227.65.10's password:

Last login: Sun Dec 10 10:25:45 2017 from 216.123.66.49

[kuru.ravi at rpx1 ~]$ su -

Password:

Last login: Sun Dec 10 10:25:53 EST 2017 on pts/0

[root at rpx1 ~]# cd /usr/local/etc/kamailio/

[root at rpx1 kamailio]# vi kamailio.cfg




































#!KAMAILIO


#!define WITH_MYSQL

#!define WITH_AUTH

#!define WITH_USRLOCDB

#!define WITH_ASTERISK

#!define WITH_PSTN

#!define WITH_NAT

#!define WITH_ANTIFLOOD

#!define WITH_PRESENCE


#

# 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

"kamailio.cfg" 1232L, 34401C

Last login: Mon Dec 11 10:56:53 on ttys000

raveechdransmbp:~ rkuru$ ssh -p44422 kuru.ravi at 67.227.65.10

kuru.ravi at 67.227.65.10's password:

Last login: Sun Dec 10 10:25:45 2017 from 216.123.66.49

[kuru.ravi at rpx1 ~]$ su -

Password:

Last login: Sun Dec 10 10:25:53 EST 2017 on pts/0

[root at rpx1 ~]# cd /usr/local/etc/kamailio/

[root at rpx1 kamailio]# vi kamailio.cfg




































#     - 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


#mhomed=1


#!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 "unixodbc://telcan:t3lc4n@localhost/MySQLkamailio"

#!ifdef WITH_ASTERISK

#!define DBASTURL "unixodbc://test:test@localhost/MySQLasterisk"

#!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 FLT_DLG 9

#!define FLT_DLGINFO 10


#!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="rp-na1.sipconfig.net"

alias="na-rpx1.sipconfig.net"


/* 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:38.64.154.234:5060


/* 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


####### 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 = "67.227.65.2" desc "My PSTN GW Address"

#

# - by default is empty to avoid misrouting

pstn.gw_ip = "67.227.65.10" desc "PSTN GW Address"


#!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 = "67.227.65.10" desc "Asterisk IP Address"

asterisk.bindport = "5060" desc "Asterisk Port"

kamailio.bindip = "67.227.65.10" 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/lib64/kamailio/modules_k/:/usr/local/lib64/kamailio/modules/"

#!endif


#!ifdef WITH_MYSQL

loadmodule "db_mysql.so"

#!endif



loadmodule "db_unixodbc.so"

#loadmodule "mi_fifo.so"

loadmodule "jsonrpcs.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 "sqlops.so"

loadmodule "dialog.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"

loadmodule "presence_dialoginfo.so"

loadmodule "pua.so"

loadmodule "pua_dialoginfo.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")

modparam("jsonrpcs", "pretty_format", 1)

modparam("jsonrpcs", "fifo_name", "/var/run/kamailio/kamailio_rpc_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", 1)

/* uncomment the next line not to allow more than 10 contacts per AOR */

modparam("registrar", "max_contacts", 4)

modparam("registrar", "retry_after", 60)

# max value for expires of registrations

#modparam("registrar", "min_expires", 0)

modparam("registrar", "max_expires", 3600)

# set it to 1 to enable GRUU

modparam("registrar", "gruu_enabled", 0)


# ----- 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)

#modparam("registrar", "retry_after", 30)

# max value for expires of registrations

#modparam("registrar", "max_expires", 3600)

# set it to 1 to enable GRUU

#modparam("registrar", "gruu_enabled", 1)


# ----- 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", "name")

#modparam("auth_db", "password_column", "sippasswd")

#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)

modparam("presence", "server_address", "sip:67.227.65.10:5060" )

modparam("presence", "send_fast_notify", 0)

modparam("presence", "db_update_period", 20)

modparam("presence", "clean_period", 40)

modparam("presence", "subs_db_mode", 2)

modparam("presence", "fetch_rows", 1000)


# ----- presence_xml params -----

modparam("presence_xml", "db_url", DBURL)

modparam("presence_xml", "force_active", 1)


# ----- presence_dialoginfo params -----

modparam("presence_dialoginfo", "force_single_dialog", 0)


# ----- pua params -----

modparam("pua", "db_url", DBURL)

modparam("pua", "db_mode", 2)

modparam("pua", "update_period", 60)

modparam("pua", "dlginfo_increase_version", 0)

modparam("pua", "reginfo_increase_version", 0)

modparam("pua", "check_remote_contact", 1)

modparam("pua", "fetch_rows", 1000)


# ----- pua_dialoginfo params -----

modparam("pua_dialoginfo", "include_callid", 1)

modparam("pua_dialoginfo", "send_publish_flag", FLT_DLGINFO)

modparam("pua_dialoginfo", "caller_confirmed", 0)

modparam("pua_dialoginfo", "include_tags", 1)

modparam("pua_dialoginfo", "override_lifetime", 124)


#!endif


# ----- dialog params -----

modparam("dialog", "db_url", DBURL)

modparam("dialog", "enable_stats", 1)

modparam("dialog", "db_mode", 1)


modparam("dialog", "dlg_flag", FLT_DLG)



#!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", 3)

modparam("pike", "reqs_density_per_unit", 1000)

modparam("pike", "remove_latency", 10)


# ----- 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)

modparam("debugger", "log_level_name", "exec")

#!endif




# ------- Load-balancer params ------

modparam("dispatcher", "db_url","unixodbc://test:test@localhost
/MySQLkamailio")

modparam("dispatcher", "table_name", "dispatcher")

modparam("dispatcher", "setid_col", "setid")

modparam("dispatcher", "destination_col", "destination")

modparam("dispatcher", "force_dst", 1)

modparam("dispatcher", "flags", 3)

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:proxy at 67.227.65.10")

modparam("dispatcher", "ds_ping_interval",15)

modparam("dispatcher", "ds_probing_mode", 1)

modparam("dispatcher", "ds_ping_reply_codes",
"class=2;code=403;code=404;code=484;class=3")


####### 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;

        }

        # handle requests within SIP dialogs

        route(WITHINDLG);


        ### only initial requests (no To tag)


        # handle retransmissions

        if(t_precheck_trans()) {

                t_check_trans();

                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);

        xlog("L_INFO","AFTER LOCATION to ROUTE DEVICE ------- : $ci");

        ####route(RELAY);

}



route[RELAY] {


        # enable additional event routes for forwarded requests

        # - serial forking, RTP relaying handling, a.s.o.

        if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) {

                if(!t_is_set("branch_route")) t_on_branch("MANAGE_BRANCH");

        }

        if (is_method("INVITE|SUBSCRIBE|UPDATE")) {

                if(!t_is_set("onreply_route")) t_on_reply("MANAGE_REPLY");

        }

        if (is_method("INVITE")) {

                if(!t_is_set("failure_route"))
t_on_failure("MANAGE_FAILURE");

        }


        if(is_method("INVITE|BYE|UPDATE|CANCEL|ACK")) {

                setflag(FLT_DLGINFO);

                dlg_manage();

        }




        xlog("L_INFO","----- This is to device < $du > asterisk server
-------");

        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;

                }

        }

        if($ua =~ "friendly-scanner") {

                sl_send_reply("200", "OK");

                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()) return;


        # sequential request withing a dialog should

        # take the path determined by record-routing

        if (loose_route()) {

                route(DLGURI);

                if (is_method("BYE")) {

                        setflag(FLT_ACC); # do accounting ...

                        setflag(FLT_ACCFAILED); # ... even if the
transaction fails

                }

                else if ( is_method("ACK") ) {

                        # ACK is forwarded statelessy

                        route(NATMANAGE);

                }

                else if ( is_method("NOTIFY") ) {

                        # Add Record-Route for in-dialog NOTIFY as per RFC
6665.

                        record_route();

                }

                route(RELAY);

                exit;

        }


        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

                        route(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")) return;


        if(isflagset(FLT_NATS)) {

                setbflag(FLB_NATB);

#!ifdef WITH_NATSIPPING

                # do SIP NAT pinging

                setbflag(FLB_NATSIPPING);

#!endif

        }

        if (!save("location"))

                sl_reply_error();

        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("REFER")){

            xlog("L_INFO"," WITH_ASTERISK WITHINDLG SIP REFER METHOD
-------");

        }


#!endif

        xlog("L_INFO"," FROM ASTERISK TO DEVICE -------");


        $avp(oexten) = $rU;

        if (!lookup("location")) {

                xlog("L_INFO","LOOK UP LOCATION FAILED -------");

                $var(rc) = $rc;

                xlog("L_INFO"," *********** $var(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;

                }

        }

        xlog("L_INFO","LOCATION FROM ASTERISK TO DEVICE -------");

        # when routing via usrloc, log the missed calls also

        if (is_method("INVITE"))

        {

                setflag(FLT_ACCMISSED);

        }

        route(RELAY);

        exit;

}


# 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] {


        # 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;

        }


#!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", "sipusers", "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();

        }

#!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] {

#!ifdef WITH_NAT

        if (is_request()) {

                if(has_totag()) {

                        if(check_route_param("nat=yes")) {

                                setbflag(FLB_NATB);

                        }

                }

        }

        if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB)))

                return;


        rtpproxy_manage("co");


        if (is_request()) {

                if (!has_totag()) {

                        if(t_is_branch_route()) {

                                add_rr_param(";nat=yes");

                        }

                }

        }

        if (is_reply()) {

                if(isbflagset(FLB_NATB)) {

                        if(is_first_hop())

                                set_contact_alias();

                }

        }

#!endif

        return;

}


# URI update for dialog requests

route[DLGURI] {

#!ifdef WITH_NAT

        if(!isdsturiset()) {

                handle_ruri_alias();

        }

#!endif

        return;

}


# 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("L_INFO","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



# 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




# Send to Asterisk

route[TOASTERISK] {

        # only local users allowed to call

        if(is_method("REFER")){

            xlog("L_INFO"," SIP REFER METHOD -------");

        }

        if(from_uri!=myself) {

             xlog("L_INFO","[$fU@$si:$sp]{$rm} *************** From
Asterisk Box to Device$du\n");

        }else{

             if(is_method("INVITE")){


             xlog("L_INFO"," device to Asterisk Box $du ++++\n");

             route(RELAY);

             exit;

        }

}


# Forward REGISTER to Asterisk

route[REGFWD] {

        if(!is_method("REGISTER"))

        {

                return;

        }


        ds_mark_dst("P");

        $var(x) = $au;

        $var(x) = $(var(x){s.substr,0,3});




        if(!ds_select_dst($(var(x){s.int}), "1")) {

           $var(rip) = $sel(cfg_get.asterisk.bindip);

        }else{

           $var(rip1) = $du;

           $var(rip) = $(var(rip1){s.replace,:5060,}) ;

           $var(rip) = $(var(rip){s.replace,sip:,}) ;

           xlog("L_INFO","$au <------- Loadbalancer  REGISTER to Asterisk
$var(rip) ------->");

        }


        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
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