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470 lines
12 KiB
470 lines
12 KiB
## NOTE: DO NOT CHANGE THIS FILE, EDIT local.cfg ##
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#### Preprocessor Directives #########
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#!define L_ALERT -5
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#!define L_BUG -4
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#!define L_CRIT2 -3
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#!define L_CRIT -2
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#!define L_ERR -1
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#!define L_WARN 0
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#!define L_NOTICE 1
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#!define L_INFO 2
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#!define L_DBG 3
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#!define AVP_RECV_PARAM "recv_param"
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#!define AVP_LOG_LEVEL "log_level"
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#!define AVP_ROUTE_CNT "route_cnt"
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#!define AVP_ASSOCIATED_SERVER "associated_server"
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#!define AVP_ASSOCIATE_CONTACT "associate_contact"
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####### Flags #######
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flags
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FLAG_INTERNALLY_SOURCED: 1,
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FLAG_ASSOCIATE_SERVER: 2,
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FLAG_SKIP_NAT_CORRECTION: 3,
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FLAG_ASSOCIATE_USER: 4;
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#!define FLB_NATB 1
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#!define FLB_NATSIPPING 2
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#!define FLB_UAC_REDIRECT 3
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####### Global Parameters #########
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fork = yes
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children = 25
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server_signature = no
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server_header = "Server: Kazoo"
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user_agent_header = "User-Agent: Kazoo"
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shm_force_alloc = yes
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mlock_pages = yes
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phone2tel = 1
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max_while_loops = 500
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####### Logging Parameters #########
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debug = L_INFO
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memdbg = 10
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memlog = 10
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corelog = L_ERR
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log_stderror = no
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log_facility = LOG_LOCAL0
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log_name="kamailio"
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####### Alias Parameters #########
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auto_aliases = yes
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####### Binding Parameters #########
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tos = IPTOS_LOWDELAY
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####### TCP Parameters #########
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tcp_children = 25
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disable_tcp = no
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tcp_max_connections = 4096
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tcp_connection_lifetime = 3605
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tcp_accept_aliases = no
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tcp_async = yes
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tcp_connect_timeout = 10
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tcp_conn_wq_max = 65536
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tcp_crlf_ping = yes
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tcp_delayed_ack = yes
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tcp_fd_cache = yes
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tcp_keepalive = yes
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tcp_keepcnt = 3
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tcp_keepidle = 30
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tcp_keepintvl = 10
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tcp_linger2 = 30
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tcp_rd_buf_size = 4096
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tcp_send_timeout = 10
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tcp_wq_blk_size = 2100
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tcp_wq_max = 10485760
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####### UDP Parameters #########
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udp4_raw = -1
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####### DNS Parameters #########
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dns = no
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rev_dns = no
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dns_try_ipv6 = no
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use_dns_cache = on
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dns_cache_del_nonexp = no
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dns_cache_flags = 1
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dns_cache_gc_interval = 120
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dns_cache_init = 1
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dns_cache_mem = 1000
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dns_cache_negative_ttl = 60
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dns_try_naptr = no
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use_dns_failover = off
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dns_srv_lb = off
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####### TLS Parameters #########
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enable_tls = yes
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####### SCTP Parameters #########
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disable_sctp = yes
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####### Custom Parameters #########
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####### Modules Section ########
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mpath="/usr/lib64/kamailio/modules/"
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######## Kamailio core extensions module ########
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loadmodule "kex.so"
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######## Transaction (stateful) module ########
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loadmodule "tm.so"
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loadmodule "tmx.so"
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modparam("tm", "auto_inv_100", 1)
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modparam("tm", "auto_inv_100_reason", "Attempting to connect your call")
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modparam("tm", "cancel_b_method", 2)
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modparam("tm", "ruri_matching", 0)
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modparam("tm", "failure_reply_mode", 3)
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# modparam("tm", "fr_timer", 30000)
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# modparam("tm", "fr_inv_timer", 120000)
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######## Stateless replier module ########
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loadmodule "sl.so"
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######## Record-Route and Route module ########
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loadmodule "rr.so"
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modparam("rr", "enable_full_lr", 1)
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modparam("rr", "enable_double_rr", 0)
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######## Max-Forward processor module ########
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loadmodule "maxfwd.so"
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modparam("maxfwd", "max_limit", 50)
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######## SIP utilities [requires sl] ########
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loadmodule "siputils.so"
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######## SIP message formatting sanity checks [requires sl] ########
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loadmodule "sanity.so"
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# sip_version, scheme, req_headers, cseq_method/value
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# content_length, parse_uri, digest
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modparam("sanity", "default_checks", 3303)
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modparam("sanity", "uri_checks", 3)
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modparam("sanity", "autodrop", 0)
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######## Text operations module ########
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loadmodule "textops.so"
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loadmodule "textopsx.so"
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######## Generic Hash Table container in shared memory ########
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loadmodule "htable.so"
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modparam("htable", "htable", "associations=>size=16;autoexpire=7200")
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######## Pseudo-Variables module ########
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loadmodule "pv.so"
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######## Advanced logger module ########
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loadmodule "xlog.so"
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####### FIFO support for Management Interface ########
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loadmodule "mi_fifo.so"
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modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
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######## UAC Redirection module ########
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loadmodule "uac_redirect.so"
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####### Role Configurations ##########
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#!ifdef DISPATCHER-ROLE
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include_file "dispatcher-role.cfg"
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#!endif
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#!ifdef REGISTRAR-ROLE
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include_file "registrar-role.cfg"
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#!endif
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#!ifdef PRESENCE-ROLE
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include_file "presence-role.cfg"
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#!endif
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#!ifdef NAT-TRAVERSAL-ROLE
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include_file "nat-traversal-role.cfg"
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#!endif
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####### Kazoo Integration module ##########
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#!ifdef INCLUDE-DB-KAZOO
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loadmodule "db_kazoo.so"
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#!endif
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####### Routing Logic ########
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route
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{
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# log the basic info regarding this call
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xlog("L_INFO", "$ci|start|recieved $oP request $rm $ou");
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xlog("L_INFO", "$ci|log|source $si:$sp");
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xlog("L_INFO", "$ci|log|from $fu");
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xlog("L_INFO", "$ci|log|to $tu");
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route(SANITY_CHECK);
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#!ifdef DISPATCHER-ROLE
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route(DISPATCHER_CLASSIFY_SOURCE);
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#!endif
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route(HANDLE_OPTIONS);
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route(HANDLE_MOVE_REQUEST);
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#!ifdef PRESENCE-ROLE
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route(HANDLE_SUBSCRIBE);
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route(HANDLE_PUBLISH);
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#!endif
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#!ifdef REGISTRAR-ROLE
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route(HANDLE_REGISTER);
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#!endif
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route(HANDLE_IN_DIALOG_REQUESTS);
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route(PREPARE_INITIAL_REQUESTS);
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if (isflagset(FLAG_INTERNALLY_SOURCED)) {
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route(INTERNAL_TO_EXTERNAL_RELAY);
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exit();
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}
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#!ifdef DISPATCHER-ROLE
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route(DISPATCHER_FIND_ROUTES);
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#!endif
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route(EXTERNAL_TO_INTERNAL_RELAY);
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}
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route[SANITY_CHECK]
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{
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if (!mf_process_maxfwd_header("10")) {
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xlog("L_WARN", "$ci|end|Too much hops, not enough barley");
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sl_send_reply("483", "Too Many Hops");
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exit;
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}
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if (!sanity_check()) {
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xlog("L_WARN", "$ci|end|message is insane");
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exit;
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}
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}
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route[HANDLE_OPTIONS]
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{
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if (is_method("OPTIONS")) {
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if (isflagset(FLAG_INTERNALLY_SOURCED)) {
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route(INTERNAL_TO_EXTERNAL_RELAY);
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} else {
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sl_send_reply("200", "Rawr!!");
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}
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exit;
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}
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}
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route[HANDLE_MOVE_REQUEST]
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{
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if (is_method("INVITE") && $rU == "*6683*") {
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$var(contact_uri) = $(ct{tobody.user}) + "@" + $(ct{tobody.host});
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$var(from_uri) = @from.uri.user + "@" + @from.uri.host;
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if ($sht(associations=>$var(contact_uri)) != $null) {
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$sht(associations=>$var(contact_uri)) = $null;
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xlog("L_INFO", "$ci|log|removed contact association for $var(contact_uri)
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with media server $sht(associations=>$var(contact_uri))\n");
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}
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if ($sht(associations=>$var(from_uri)) != $null) {
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$sht(associations=>$var(from_uri)) = $null;
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xlog("L_INFO", "$ci|log|removed from association for $var(from_uri)
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with media server $sht(associations=>$var(from_uri))\n");
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}
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send_reply("503", "Removed association");
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exit;
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}
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}
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route[HANDLE_IN_DIALOG_REQUESTS]
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{
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if (has_totag()) {
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if (loose_route()) {
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xlog("L_INFO", "$ci|log|loose_route in-dialog message");
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# Called on in-dialog requests
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# If the request in an Invite for on hold from external to internal,
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# associate the contact with the media server
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# if Invite for on hold, we need to associate the contact URI with the next hop
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if (is_method("INVITE") && !isflagset(FLAG_INTERNALLY_SOURCED) && is_audio_on_hold()) {
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setflag(FLAG_ASSOCIATE_USER);
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}
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route(RELAY);
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} else if (isflagset(FLAG_INTERNALLY_SOURCED)) {
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xlog("L_INFO", "$ci|log|relay internally sourced in-dialog message without loose_route");
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route(RELAY);
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} else if (t_check_trans()) {
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xlog("L_INFO", "$ci|log|allow message for a known transaction");
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route(RELAY);
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} else {
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xlog("L_INFO", "$ci|log|message had a to-tag but can't be loose routed");
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sl_send_reply("481", "Call Leg/Transaction Does Not Exist");
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}
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exit();
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}
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}
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route[PREPARE_INITIAL_REQUESTS]
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{
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if (is_method("CANCEL")) {
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if (t_check_trans()) {
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route(RELAY);
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} else {
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sl_send_reply("481", "Call Leg/Transaction Does Not Exist");
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}
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exit();
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} else if (is_method("ACK")) {
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if (t_check_trans()) {
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route(RELAY);
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}
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exit();
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}
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t_check_trans();
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if (loose_route()) {
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sl_send_reply("403", "No pre-loaded routes");
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exit();
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}
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if (!is_method("MESSAGE")) {
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record_route();
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}
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}
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route[RELAY]
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{
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if (isflagset(FLAG_INTERNALLY_SOURCED)) {
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route(INTERNAL_TO_EXTERNAL_RELAY);
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} else {
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route(EXTERNAL_TO_INTERNAL_RELAY);
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}
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exit();
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}
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route[INTERNAL_TO_EXTERNAL_RELAY]
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{
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remove_hf("X-AUTH-IP");
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t_on_reply("EXTERNAL_REPLY");
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t_set_fr(0, 10000);
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t_relay();
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}
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route[EXTERNAL_TO_INTERNAL_RELAY]
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{
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#!ifdef NAT-TRAVERSAL-ROLE
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if (!isflagset(FLAG_INTERNALLY_SOURCED)) {
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route(NAT_TEST_AND_CORRECT);
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}
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#!endif
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remove_hf("X-AUTH-IP");
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append_hf("X-AUTH-IP: $si\r\n");
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t_on_reply("INTERNAL_REPLY");
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t_on_failure("INTERNAL_FAULT");
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t_set_fr(0, 1000);
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t_relay();
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}
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onreply_route[EXTERNAL_REPLY]
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{
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xlog("L_INFO", "$ci|log|external reply $T_reply_code");
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#!ifdef NAT-TRAVERSAL-ROLE
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route(NAT_TEST_AND_CORRECT);
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#!endif
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}
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onreply_route[INTERNAL_REPLY]
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{
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# this route handles replies that are comming from our media server
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xlog("L_INFO", "$ci|start|recieved internal reply $T_reply_code $rr");
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xlog("L_INFO", "$ci|log|source $si:$sp");
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if ($rs < 300) {
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xlog("L_INFO", "$ci|pass|$T_req($si):$T_req($sp)");
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}
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# change 6xx to 4xx
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if (t_check_status("6[0-9][0-9]")) {
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$var(new_code) = "4" + $(T_reply_code{s.substr,1,0});
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change_reply_status("$var(new_code)", "$rr");
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}
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}
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failure_route[INTERNAL_FAULT]
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{
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# this branch handles failures (>=300) to our media servers,
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# which we can sometimes overcome by routing to another server
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# if the failure cause was due to the transaction being
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# cancelled then we are complete
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if (t_is_canceled()) {
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xlog("L_INFO", "$ci|log|transaction was cancelled");
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exit;
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}
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# if the failure case was something that we should recover
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# from then try to find a new media server
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if (t_check_status("302")) {
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## TODO - test this
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## get_redirects("*");
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if($T_rpl($hdr(X-Redirect-Server)) != $null) {
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$var(contact_uri) = @from.uri.user + "@" + @from.uri.host;
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$sht(associations=>$var(contact_uri)) = $T_rpl($hdr(X-Redirect-Server));
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xlog("L_INFO", "$ci|log|stored redirect mapping for $var(contact_uri) to $T_rpl($hdr(X-Redirect-Server))");
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remove_hf("X-Redirect-Server");
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}
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} else if (t_check_status("(401)|(407)|(486)")) {
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xlog("L_INFO", "$ci|log|failure route ignoring auth reply $T_reply_code $rr");
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exit;
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} else if (t_check_status("402")) {
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xlog("L_INFO", "$ci|log|failure route overriding reply code 402 with 486");
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xlog("L_INFO", "$ci|pass|$si:$sp");
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send_reply("486", "Insufficient Funds");
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exit;
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} else if (t_check_status("(4[0-9][0-9])|(5[0-9][0-9])")) {
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xlog("L_INFO", "$ci|start|received failure reply $T_reply_code $rr");
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#!ifdef DISPATCHER-ROLE
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route(DISPATCHER_NEXT_ROUTE);
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#!endif
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send_reply("486", "Unable to Comply");
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exit;
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} else {
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xlog("L_INFO", "$ci|log|failure route ignoring reply $T_reply_code $rr");
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exit;
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}
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}
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onsend_route {
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if (isflagset(FLAG_ASSOCIATE_USER)) {
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$var(contact_uri) = $(ct{tobody.user}) + "@" + $(ct{tobody.host});
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xlog("L_INFO", "$ci|log|associate user $var(contact_uri) with media server sip:$sndto(ip):$sndto(port)\n");
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$sht(associations=>$var(contact_uri))= "sip:" + $sndto(ip) + ":" + $sndto(port);
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}
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xlog("L_INFO", "$ci|pass|$sndfrom(ip):$sndfrom(port) -> $sndto(ip):$sndto(port)");
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}
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## vim:set tabstop=4 softtabstop=4 shiftwidth=4 expandtab
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