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cookbooks:devel:pseudovariables [2015/11/16 16:41]
miconda [$T(name)]
cookbooks:devel:pseudovariables [2019/10/30 21:59]
127.0.0.1 external edit
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 {{ :cookbooks:devel:pseudovariables.png?200|}} {{ :cookbooks:devel:pseudovariables.png?200|}}
-====== Kamailio SIP Server v4.4.x (devel): Pseudo-Variables ======+====== Kamailio SIP Server v5.4.x (devel): Pseudo-Variables ======
  
 ===== Introduction ===== ===== Introduction =====
Line 76: Line 76:
 **$aU** - whole username from Authorization or Proxy-Authorization header **$aU** - whole username from Authorization or Proxy-Authorization header
  
-==== $Au - Acc username ====+==== $Au - Acc username and realm/domain ====
  
-**$Au** - username for accounting purposes. It's a selective pseudo variable (inherited from acc module). It returns $au if exits or From username otherwise.+**$Au** - username for accounting purposes. It's a selective pseudo variable (inherited from acc module). It returns the auth username and realm ($au@$ar) if exists or From URI ($fu) otherwise.
  
 +==== $AU - Acc username ====
  
 +**$AU** - username for accounting purposes. It's a selective pseudo variable (inherited from acc module). It returns the auth username ($au) if exists or From user ($fU) otherwise.
 ==== $branch(name) - Branch attributes ==== ==== $branch(name) - Branch attributes ====
  
Line 170: Line 172:
 **$conid** - The TCP connection ID of the connection the current message arrived on for TCP, TLS, WS, and WSS.  Set to $null for SCTP and UDP. **$conid** - The TCP connection ID of the connection the current message arrived on for TCP, TLS, WS, and WSS.  Set to $null for SCTP and UDP.
  
-==== $cs - CSeq ====+==== $cs - CSeq Number ====
  
-**$cs** - reference to the sequence number in the cseq header. The method in the CSeq header is identical to the request method, thus use $rm to get the method (works also for responses).+**$cs** - reference to the sequence number in the CSeq header. The method in the CSeq header is identical to the request method, thus use $rm to get the method (works also for responses).
  
 +==== $csb - CSeq Header Body ====
 +
 +**$csb** - reference to the CSeq header body (number method).
 ==== $ct - Contact header ==== ==== $ct - Contact header ====
  
Line 222: Line 227:
  
 If loose_route() returns TRUE a destination uri is set according to the first Route header. If loose_route() returns TRUE a destination uri is set according to the first Route header.
-$du is also set if lookup() function of 'registrar' module finds contact(s) behind NAT. You can +$du is also set if lookup() function of 'registrar' module finds contact(s) behind NAT or 
-set $du to any SIP URI.+if you use the path functionality. The function handle_ruri_alias() from the nathelper 
 +module will also set it. You can set $du to any SIP URI.
    sip:kamailio.org    sip:kamailio.org
    sip:pbx123.kamailio.org;transport=udp    sip:pbx123.kamailio.org;transport=udp
Line 231: Line 237:
  
 To reset $du: To reset $du:
-  $du = null;+  $du = $null;
  
 ==== $fd - From URI domain ==== ==== $fd - From URI domain ====
Line 275: Line 281:
  
 **$mb** - reference to SIP message buffer **$mb** - reference to SIP message buffer
 +
 +==== $mbu - updated SIP message buffer ====
 +
 +**$mbu** - reference to updated SIP message buffer, after applying changes
  
 ==== $mf - Flags ==== ==== $mf - Flags ====
Line 333: Line 343:
 **$pp** - reference to process id (pid) **$pp** - reference to process id (pid)
  
-==== $pr - Protocol of received message ====+==== $pr or $proto - Protocol of received message ====
  
 **$pr** or **$proto** - protocol of received message (udp, tcp, tls, sctp, ws, wss) **$pr** or **$proto** - protocol of received message (udp, tcp, tls, sctp, ws, wss)
  
 +==== $prid - protocol id ====
 +
 +**$prid** - internal protocol id
 +
 +  * 0 - NONE
 +  * 1 - UDP
 +  * 2 - TCP
 +  * 3 - TLS
 +  * 4 - SCTP
 +  * 5 - WS
 +  * 6 - WSS
 +  * 7 - OTHER
 ==== $pU - User in P-Preferred-Identity header URI ==== ==== $pU - User in P-Preferred-Identity header URI ====
  
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 <fc #0000ff>It is R/W variable (you can assign values to it directly in configuration file)</fc> <fc #0000ff>It is R/W variable (you can assign values to it directly in configuration file)</fc>
  
 +==== $rv - SIP message version ====
 +
 +**$rv** - reference to SIP message (reply or request) version
 ==== $ruid - Record internal Unique ID ==== ==== $ruid - Record internal Unique ID ====
  
Line 440: Line 465:
  
 **$rz** - returns R-URI scheme, possible values: sip, sips, tel, tels and urn, R-URI scheme parsing error should be reflected by value: none **$rz** - returns R-URI scheme, possible values: sip, sips, tel, tels and urn, R-URI scheme parsing error should be reflected by value: none
 +
 +==== $RAi - Received advertised IP address ====
 +
 +**$RAi** - reference to advertised IP address of the interface where the request has been received, or $Ri if no advertised address.
 +
 +==== $RAp - Received advertised port ====
 +
 +**$RAp** - reference to advertised port where the request has been received, or $Rp if no advertised port.
  
 ==== $Ri - Received IP address ==== ==== $Ri - Received IP address ====
  
 **$Ri** - reference to IP address of the interface where the request has been received **$Ri** - reference to IP address of the interface where the request has been received
- 
 ==== $Rp - Received port ==== ==== $Rp - Received port ====
  
 **$Rp** - reference to the port where the message was received **$Rp** - reference to the port where the message was received
  
 +==== $RAu - Advertised socket URI ====
 +
 +**$RAu** - local socket where the SIP messages was received in URI format, without transport parameter for UDP, using advertised address when available.
 +
 +==== $RAut - Advertised socket URI ====
 +
 +**$RAut** - local socket where the SIP messages was received in URI format, always with transport parameter, using advertised address when available.
 +
 +==== $Ru - Received socket URI ====
 +
 +**$Ru** - local socket where the SIP messages was received in URI format, without transport parameter for UDP.
 +
 +==== $Rut - Received socket URI ====
 +
 +**$Rut** - local socket where the SIP messages was received in URI format, always with transport parameter.
 +
 +==== $sas - Source address in socket format ====
 +
 +**$sas** - get source address in socket format (proto:address:port).
 ==== $sbranch(attr) - Static Branch ==== ==== $sbranch(attr) - Static Branch ====
  
Line 476: Line 527:
 ==== $si - Source IP address ==== ==== $si - Source IP address ====
  
-**$si** - reference to IP source address of the message+**$si** - reference to IP source address of the message - see also $siz 
 + 
 +==== $sid - Server ID ==== 
 + 
 +**$sid** - the value for server id (server_id parameter) 
 +==== $siz - Source IP address ==== 
 + 
 +**$siz** - reference to IP source address of the message, with enclosing square brackets for IPv6
  
 ==== $sp - Source port ==== ==== $sp - Source port ====
Line 502: Line 560:
 ==== $sut - Source address as full URI ==== ==== $sut - Source address as full URI ====
  
-**$su** - returns the representation of source address (ip, port, proto) as full SIP URI. The proto UDP is added also as transport parameter.+**$sut** - returns the representation of source address (ip, port, proto) as full SIP URI. The proto UDP is added also as transport parameter.
  
 Its value looks like: Its value looks like:
Line 567: Line 625:
  
 **$ua** - reference to user agent header field **$ua** - reference to user agent header field
 +
 +==== $version() - version ====
 +
 +**$version(num)** - version as number
 +
 +**$version(full)** - full version string "name version architecture/platform"
 +
 +**$version(hash)** - TBA
 +
 +===== $env(NAME) - environment variables =====
 +
 +**$env(NAME)** - value of the environment variable named NAME
  
 ===== $avp(id) - AVPs ===== ===== $avp(id) - AVPs =====
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 ===== $xavp(id) - XAVPs ===== ===== $xavp(id) - XAVPs =====
  
-xavp - extended AVP's - are structures that can store multiple values. They work like a stack, much like AVPs, and are attached to SIP transactions. Each xavp has a name and can contain multiple named values, the structure name and the value name are separated by '=>like $xavp(root=>branch) where "root" is the name of the structure and branch is a named value. To assign a value use+xavp - extended AVP's - are structures that can store multiple values. They work like a stack, much like AVPs, and are attached to SIP transactions. Each xavp has a name and can contain multiple named values, the structure name and the value name are separated by <nowiki>=></nowiki> like <nowiki>$xavp(root=>branch)</nowiki> where "root" is the name of the structure and branch is a named value. To assign a value use
 <code c> <code c>
 $xavp(root=>branch)="value"; $xavp(root=>branch)="value";
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 **$(hdr(name)[N])** - represents the body of the N-th header identified by 'name'. **$(hdr(name)[N])** - represents the body of the N-th header identified by 'name'.
  
-If [N] is omitted then the body of the first header is printed. The first header is got when N=0, for the second N=1, a.s.o. In case of a comma-separated multi-body headers, it returns all the bodies, comma-separated. To print the last header of that type, use -1, or other negative values to count from the end. No white spaces are allowed inside the specifier (before }, before or after {, [, ] symbols). When N='*', all headers of that type are printed.+If [N] is omitted then the body of the first header is printed. The body of first header is returned when N=0, for the second N=1, a.s.o. In case of a comma-separated multi-body headers, it returns all the bodies, comma-separated. To print the last header of that type, use -1, or other negative values to count from the end. No white spaces are allowed inside the specifier (before }, before or after {, [, ] symbols). When N='*', all headers of that type are printed
 + 
 +If name is *, then any header name is matched, e.g., $hdr(*) is body of first header, $(hdr(*)[-1]) is body of last header.
  
 The module should identify compact header names. It is recommended to use dedicated specifiers for headers (e.g., $ua for user agent header), if they are available -- they are faster. The module should identify compact header names. It is recommended to use dedicated specifiers for headers (e.g., $ua for user agent header), if they are available -- they are faster.
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 <fc #0000ff>It is read-only variable. You can remove or add headers using functions from textops module.</fc> <fc #0000ff>It is read-only variable. You can remove or add headers using functions from textops module.</fc>
 +
 +===== $hdrc(name) - Number of Headers =====
 +
 +**$hdrc(name)** - get the number of headers with the respective name
 +
 +Example of usage:
 +
 +<code c>
 +if($hdrc(Via) == 2) {
 +...
 +}
 +</code>
  
 ===== $var(name) - Private memory variables (zero) ===== ===== $var(name) - Private memory variables (zero) =====
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 ===== $shv(name) - Shared memory variables ===== ===== $shv(name) - Shared memory variables =====
  
-**$shv(name)**  - it is a class of pseudo-variables stored in shared memory. The value of $shv(name) is visible across all Kamailio processes. Each “shv” has single value and it is initialised to integer 0. You can use “shvset” parameter of **pv module** to initialize the shared variable. The module exports a set of MI functions to get/set the value of shared variables.+**$shv(name)**  - it is a class of pseudo-variables stored in shared memory. The value of $shv(name) is visible across all Kamailio processes. Each “shv” has single value and it is initialised to integer 0. You can use “shvset” parameter of **pv module** to initialize the shared variable. The module exports a set of RPC functions to get/set the value of shared variables.
  
 Example - shv(name) pseudo-variable usage: Example - shv(name) pseudo-variable usage:
Line 838: Line 922:
 } }
 </code> </code>
-===== Send Address Attributes =====+===== Received Data Attributes ===== 
 + 
 +==== $rcv(key) ==== 
 + 
 +Attributes of received data. The variables must be used inside **event_route[core:msg-received]** routing block. 
 + 
 +The key can be: 
 + 
 +  * buf - received message 
 +  * len - lenght of received message 
 +  * srcip - source ip 
 +  * rcvip - local ip where it was received 
 +  * scrport - source port 
 +  * rcvport - local port where it was received 
 +  * proto - protocol as int id 
 +  * sproto - protocol as string 
 +  * af - address family 
 + 
 +Example of usage: 
 + 
 +<code c> 
 +event_route[core:msg-received] { 
 +  xlog("rcv on $rcv(af)/$rcv(proto): ($rcv(len)) [$rcv(buf)] from [$rcv(srcip):$rcv(srcport)] to [$rcv(rcvip):$rcv(rcvport)]\n"); 
 +
 +</code> 
 + 
 +===== Send Data Attributes =====
  
 ==== $sndfrom(name) ==== ==== $sndfrom(name) ====
Line 857: Line 967:
   * af - address family to be used to send (numeric)   * af - address family to be used to send (numeric)
   * port - port of destination address   * port - port of destination address
-  * proto - transport protocol to be used to send (numeric)+  * proto - transport protocol to be used to send (numeric - UDP=1, TCP=2, TLS=3, SCTP=4, WS=5, WSS=6) 
 +  * sproto - transport protocol to be used to send (string)
   * buf - entire send buffer as string   * buf - entire send buffer as string
   * len - length of outgoing packet (length of above buf)   * len - length of outgoing packet (length of above buf)
Line 914: Line 1025:
 Return the attribute of the context for current processed dialog. Return the attribute of the context for current processed dialog.
  
-<fc #0000ff>It is R/W variable.</fc>+<fc #0000ff>Some of the attributes are R/W variables.</fc>
  
 The 'attr' can be: The 'attr' can be:
-  * set +  * set - returns 1 if the dialog for current context is set, 0 otherwise 
-  * flags +  * flags - get/set dialog flags 
-  * timeout_route +  * timeout_route - get/set route name to be executed on timeout 
-  * timeout_bye+  * timeout_route_id - get internal id for the route to be executed on timeout 
 +  * timeout_bye - set to 1 if BYE has to be sent when dialog lifetime elapses 
 +  * timeout - set the dialog lifetime (in seconds) 
 +  * on - get/set an integer value associated with the context (cfg usage) 
 +  * dir - get direction of the request for the dialog of the current context (0 - unknown, 1 - downstream, 2 - upstream)
  
 ==== $dlg_var(key) ==== ==== $dlg_var(key) ====
Line 1117: Line 1232:
 xlog("==== $shtdec(a=>$au)\n"); xlog("==== $shtdec(a=>$au)\n");
 ... ...
 +</code>
 +
 +==== $shtitkey(iname) ====
 +
 +The key at the current position in the iterator.
 +
 +==== $shtitval(iname) ====
 +
 +The value at the current position in the iterator.
 +
 +Example:
 +
 +<code c>
 +    sht_iterator_start("i1", "h1");
 +    while(sht_iterator_next("i1")) {
 +        xlog("h1[$shtitkey(i1)] is: $shtitval(i1)\n");
 +    }
 +    sht_iterator_end("i1");
 +</code>
 +
 +==== $shtrecord(id) ====
 +
 +Get the key or the value of expired item inside the event_route[htable:expired:_table_name_].
 +
 +The id can be:
 +
 +  * key
 +  * value
 +
 +Example:
 +
 +<code c>
 +event_route[htable:expired:h1] {
 +  xlog("expired item ($shtrecord(key),$shtrecord(value))\n");
 +}
 </code> </code>
 ===== Memcached module Pseudo-Variables ===== ===== Memcached module Pseudo-Variables =====
Line 1278: Line 1428:
 The **name** can be: The **name** can be:
  
-  * id_index - return the internal index of current transaction +  * id_index - return the internal index of current transaction or $null if not transaction is found 
-  * id_label - return the internal label of current transaction +  * id_label - return the internal label of current transaction or $null if not transaction is found 
-  * reply_code - alias to $T_reply_code +  * id_index_n - return the internal index of current transaction, if no transaction exists yet, create it 
-  * branch_index - alias to $T_branch_idx+  * id_label_n - return the internal label of current transaction, if no transaction exists yet, create it 
 +  * reply_code - reply code (alias to $T_reply_code
 +  * reply_reason - reply reason 
 +  * reply_last - last received reply code 
 +  * branch_index - branch index (alias to $T_branch_idx)
   * ruid - return the internal location ruid field for current branch   * ruid - return the internal location ruid field for current branch
   * reply_type - 1 if it is a local generated reply, 0 - if no reply for transaction or it is a received reply   * reply_type - 1 if it is a local generated reply, 0 - if no reply for transaction or it is a received reply
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   * evcode - reply code for the request sent with uac_req_send(), available inside event_route[uac:reply]   * evcode - reply code for the request sent with uac_req_send(), available inside event_route[uac:reply]
   * evtype - is 1 if the reply was received via network, 2 if the reply was locally generated (e.g., retransmission timeout), available inside event_route[uac:reply]   * evtype - is 1 if the reply was received via network, 2 if the reply was locally generated (e.g., retransmission timeout), available inside event_route[uac:reply]
 +  * evparam - generic data buffer associated with the request that can be set before sending it and retrieved when executing the event route. It has a size of 128 characters.
  
 <code c> <code c>
Line 1368: Line 1523:
 ==== $TV(name) ==== ==== $TV(name) ====
  
-Seconds and microseconds taken from struct timeval.+Seconds and microseconds taken from struct timeval. The time at that moment is represented by **seconds.microseconds**.
  
   * $TV(s) - seconds (cached at first call per sip message)   * $TV(s) - seconds (cached at first call per sip message)
   * $TV(u) - microseconds (cached at first call per sip message)   * $TV(u) - microseconds (cached at first call per sip message)
-  * $TV(sn) - seconds (not cached) +  * $TV(sn) - seconds (not cached, taken at that moment
-  * $TV(un) - microseconds (not cached+  * $TV(un) - microseconds (corresponding to the moment $TV(sn) is retrieved
-  * $TV(Sn) - string representation seconds.microseconds (not cached) +  * $TV(Sn) - string representation seconds.microseconds (not cached, taken at that moment)
 ===== Next hop address ===== ===== Next hop address =====
  
Line 1388: Line 1542:
   * $nh(P) - transport protocol (upper case p)   * $nh(P) - transport protocol (upper case p)
  
-===== GeoIP module Pseudo-Variables =====+===== NDB_REDIS Module ===== 
 + 
 +==== $redis(res=>key) ==== 
 + 
 +Access the attributes of the Redis response. 
 + 
 +The key can be: 
 + 
 +  * type type of the reply (as in hiredis.h) 
 +  * value - the value returned by REDIS server; 
 +  * info - in case of error from REDIS, it will contain an info message. 
 + 
 +If reply type is an array (as in hiredis.h), there are other keys available: 
 + 
 +  * size - returns number of elements in the array. 
 + 
 +  * type[n] - returns the type of the nth element in the array. type - returns array type. 
 + 
 +  * value[n] - returns value of the nth element. value - returns null for an array. You need to get each element by index. 
 + 
 +In case one of the members of the array is also an array (for example calling SMEMBERS in a MULTI/EXEC transaction), the members of the array can be accessed by adding any of the above keys, after a value[n] key. The first value[n] references the element in the first array, while the next key references an element of the referenced array. 
 + 
 +Example: 
 + 
 +<code> 
 +redis_cmd("srvN", "GET foo", "r"); 
 +xlog("===== result type: $redis(r=>type) * value: $redis(r=>value)\n"); 
 +</code> 
 + 
 +==== $redisd(key) ==== 
 + 
 +Return the corresponding value for various defines from hiredis library. 
 + 
 +The key can be: 
 + 
 +  * rpl_str - return REDIS_REPLY_STRING 
 +  * rpl_arr - return REDIS_REPLY_ARRAY 
 +  * rpl_int - return REDIS_REPLY_INTEGER 
 +  * rpl_nil - return REDIS_REPLY_NIL 
 +  * rpl_sts - return REDIS_REPLY_STATUS 
 +  * rpl_err - return REDIS_REPLY_ERROR 
 + 
 +$redisd(rpl_XYZ) can be compared with $redis(r=>type). 
 + 
 +Example: 
 + 
 +<code> 
 +redis_cmd("srvN", "GET foo", "r"); 
 +if ($redis(r=>type) == $redisd(rpl_int)) { 
 +
 +</code> 
 + 
 +===== GeoIP Module =====
  
 ==== $gip(pvc=>key) ==== ==== $gip(pvc=>key) ====
Line 1493: Line 1699:
 ==== $tls_peer_subject_unit ==== ==== $tls_peer_subject_unit ====
 organizationalUnitName in the subject section of the certificate. String type. organizationalUnitName in the subject section of the certificate. String type.
 +==== $tls_peer_subject_uid ====
 +UID in the subject section of the certificate. String type.
 ==== $tls_peer_issuer_unit ==== ==== $tls_peer_issuer_unit ====
 organizationalUnitName in the issuer section of the certificate. String type. organizationalUnitName in the issuer section of the certificate. String type.
 ==== $tls_my_subject_unit ==== ==== $tls_my_subject_unit ====
 organizationalUnitName in the subject section of the certificate. String type. organizationalUnitName in the subject section of the certificate. String type.
 +==== $tls_my_subject_uid ====
 +UID in the subject section of the certificate. String type.
 ==== $tls_my_issuer_unit ==== ==== $tls_my_issuer_unit ====
 organizationalUnitName in the issuer section of the certificate. String type. organizationalUnitName in the issuer section of the certificate. String type.
Line 1536: Line 1746:
 ==== $tls_peer_server_name ==== ==== $tls_peer_server_name ====
 The SNI server name of the peer The SNI server name of the peer
 +===== SIP Message Attributes =====
 +
 +==== $msg(attr) ====
 +
 +Return attributes of SIP message:
 +
 +  * $msg(len) - sip message length
 +  * $msg(buf) - sip message buffer
 +  * $msg(body) - sip message body
 +  * $msg(body_len) - sip message body length
 +  * $msg(hdrs) - sip message headers
 +  * $msg(fline) - sip message first line
 +
 ===== XHTTP module Pseudo-Variables ===== ===== XHTTP module Pseudo-Variables =====
  
Line 1615: Line 1838:
 ==== $sipt(calling_party_number.presentation) / $sipt_presentation ==== ==== $sipt(calling_party_number.presentation) / $sipt_presentation ====
 Returns the value of the Address presentation restricted indicator contained in the Calling Party Number header of the IAM message if it exists. Returns -1 if there isn't a Calling Party Number header. Returns the value of the Address presentation restricted indicator contained in the Calling Party Number header of the IAM message if it exists. Returns -1 if there isn't a Calling Party Number header.
 +
 +The following values can be returned:
 +  * 0 presentation allowed
 +  * 1 resentation restricted
 +  * 2 address not avail (national use)
 +  * 3 spare
 +
 +Example:
 +
 +<code c>
 +if($sipt(calling_party_number.presentation) == 1)
 +{
 +        append_hf("Privacy: id\r\n");
 +        $fn = "Anonymous";
 +}
 +</code>
 +
  
 ==== $sipt(calling_party_number.screening) / $sipt_screening ==== ==== $sipt(calling_party_number.screening) / $sipt_screening ====
 Returns the value of the Screening Indicator contained in the Calling Party Number header of the IAM message if it exists. Returns -1 if there isn't a Calling Party Number header. Returns the value of the Screening Indicator contained in the Calling Party Number header of the IAM message if it exists. Returns -1 if there isn't a Calling Party Number header.
 +
 +Can return the following values:
 +  * 0 Reserved (user provided, not verified)
 +  * 1 User Provided, Verified and Passed
 +  * 2 Reserved (user provided, verified and failed)
 +  * 3 Network provided
 +
 +Example:
 +<code c>
 +# remove P-Asserted-Identity header if the screening isn't verified
 +# or network provided
 +$avp(s:screening) = $sipt(calling_party_number.screening);
 +if($avp(s:screening) != 1 && $avp(s:screening) != 3)
 +{
 +        remove_hf("P-Asserted-Id");
 +}
 +</code>
 +
  
 ====  $sipt(hop_counter) / $sipt_hop_counter ==== ====  $sipt(hop_counter) / $sipt_hop_counter ====
 Returns the value of the Hop Counter for the IAM message if it exists. Returns -1 if there isn't a hop counter. Returns the value of the Hop Counter for the IAM message if it exists. Returns -1 if there isn't a hop counter.
 +
 +Example:
 +<code c>
 +# get the hop counter and update the Max-Forwards header if it exists
 +$avp(s:hop) = $sipt(hop_counter);
 +if($avp(s:hop) > 0)
 +{
 +        remove_hf("Max-Forwards");
 +        append_hf("Max-Forwards: $avp(s:hop)\r\n");
 +}
 +</code>
  
 ==== $sipt(calling_party_category) / $sipt(cpc) / $sipt_cpc ==== ==== $sipt(calling_party_category) / $sipt(cpc) / $sipt_cpc ====
Line 1627: Line 1896:
 ==== $sipt(calling_party_number.nature_of_address) / $sipt.(calling_party_number.nai) / $sipt_calling_party_nai ==== ==== $sipt(calling_party_number.nature_of_address) / $sipt.(calling_party_number.nai) / $sipt_calling_party_nai ====
 Returns the value of the Nature of Address Indicator of the Calling Party for the IAM message. Returns -1 if there is a parsing error or if the Calling Party Number is not present. Returns the value of the Nature of Address Indicator of the Calling Party for the IAM message. Returns -1 if there is a parsing error or if the Calling Party Number is not present.
 +
 +Can return the following values:
 +  * 0 Spare
 +  * 1 Subscriber Number (national use)
 +  * 2 Unknown (national use)
 +  * 3 National (significant) number (national use)
 +  * 4 International use
 +
 +Example:
 +<code c>
 +# get the Calling Nai and add country code if national
 +if($sipt(calling_party_number.nai) == 3)
 +{
 +        $fU = "32" + "$fU";
 +}
 +</code>
  
 ====  $sipt(called_party_number.nature_of_address) / $sipt(called_party_number.nai) / $sipt_called_party_nai ==== ====  $sipt(called_party_number.nature_of_address) / $sipt(called_party_number.nai) / $sipt_called_party_nai ====
 Returns the value of the Nature of Address Indicator of the Called Party for the IAM message. Returns -1 if there is a parsing error. Returns the value of the Nature of Address Indicator of the Called Party for the IAM message. Returns -1 if there is a parsing error.
 +
 +Can return the following values:
 +
 +  * 0 Spare
 +  * 1 Subscriber Number (national use)
 +  * 2 Unknown (national use)
 +  * 3 National (significant) number
 +  * 4 International use
 +  * 5 Network-specific number (national use)
 +
 +Example:
 +<code c>
 +# get the Called Nai and add country code if national
 +if($sipt(called_party_number.nai) == 3)
 +{
 +        $rU = "32" + "$rU";
 +}
 +</code>
  
 ==== $sipt(event_info) === ==== $sipt(event_info) ===
 Returns the value  of the Event Info header of the CPG message. Returns -1 if there is a parsing error. Returns the value  of the Event Info header of the CPG message. Returns -1 if there is a parsing error.
 +
 +Can return the following values:
 +  * 0 Spare
 +  * 1 ALERTING
 +  * 2 PROGRESS
 +  * 3 In-band information or an appropriate pattern is now available
 +  * 4 Call forward on busy
 +  * 5 Call forward on no reply
 +  * 6 Call forward unconditional
 +
 +
 +==== $sipt(backward_call_indicator.charge_indicator) ===
 +Returns the value of the charge indication of the backward call
 +indicator header in the ACM or COT message. Returns -1 if there is a
 +parsing error
 +
 +Can return the following values:
 +  * 0 no indication
 +  * 1 no charge
 +  * 2 charge
 +  * 3 spare
 +
  
 ===== $cfg(key) - Config File Attributes ===== ===== $cfg(key) - Config File Attributes =====
Line 1640: Line 1965:
 The key can be: The key can be:
  
-* line - return current line in config +  * line - return the current line in config 
-* name - return the name of current config file+  * name - return the name of current config file 
 +  * file - return the name of current config file 
 +  * route - return the name of routing block
  
 Example: Example:
Line 1711: Line 2038:
 </code> </code>
  
-===== JSONRPC-S Variables =====+===== JSONRPCS Variables =====
  
 ==== $jsonrpl(key) - JSONRPC Reply ==== ==== $jsonrpl(key) - JSONRPC Reply ====
Line 1730: Line 2057:
 The key can be: The key can be:
   * uri - subscription URI. Useful in particular for subscriptions within the dialog, when the request URI in SUBSCRIBE is the Contact address from the initial subscription.   * uri - subscription URI. Useful in particular for subscriptions within the dialog, when the request URI in SUBSCRIBE is the Contact address from the initial subscription.
-===== $C(xy) - Foreground and background colors ===== 
  
 +===== Registrar Module Pseudo-Variables =====
 +
 +==== $ulc(profile=>attr) - Registered Contact Attributes ====
 +
 +Access the attributes of contact addresses stored in 'profile'.
 +
 +It must be used after a call of “reg_fetch_contacts()”.
 +
 +===== sipcapture Module Pseudo-Variables =====
 +
 +==== $hep(key) - HEP Packet Attributes ====
 +
 +The key refers to HEP packet header values:
 +
 +  * version - HEP version
 +  * src_ip - source IP address
 +  * dst_ip - destination IP address
 +  * 0x000 - HEP attribute 0x000
 +  * 0x999 - HEP attribute 0x999
 +
 +===== $phn(rid=>key) - Phonenum Variables =====
 +
 +$phn(rid=>key) - rid is an identifier for this query result; it is designated by the second parameter of phonenum_match(). The key can be one of the following:
 +
 +  * number - phone number that is matched
 +  * valid - 1 if the matched number has a valid result; 0 otherwise
 +  * normalized - normalized phone number
 +  * cctel - country code for phone number
 +  * ltype - local network type
 +  * ndesc - phone number description
 +  * error - error string if phone number matching fails.
 +
 +<code c>
 +if(phonenum_match("1-484-555-8888", "src")) {
 +    if($phn(src=>valid)==1) {
 +        xlog("number normalized to: $phn(src=>normalized)\n");
 +    } else {
 +        xlog("number normalization error: $phn(src=>error)\n");
 +    }
 +}
 +</code>
 +
 +
 +===== sdpops module variables =====
 +
 +  * $sdp(body) - full SDP body (read only)
 +  * $sdp(sess_version) - sess-version -attribute from SDP o= -line. When set to special value -1, current value is incremented. (read + write)
 +
 +===== $sruid - Unique ID =====
 +
 +  * $sruid - return unique ID generated internally Kamailio
 +
 +===== $ltt(key) - Local To-Tag =====
 +
 +$ltt(key) - return local generated To-tag when Kamailio sends a reply
 +
 +  * $ltt(s) - the to-tag used in stateless replies
 +  * $ltt(t) - the to-tag used in transaction stateful replies (transaction has to be created at that time, eg., by t_newtran() or in a branch/failure route, otherwise it returns $null)
 +  * $ltt(x) - $ltt(t) if the transaction was created already, otherwise $ltt(s)
 +
 +===== tcpops module variable =====
 +
 +$tcp(key) - return TCP connection attributes.
 +
 +The key can be:
 +  * c_si - connection source ip (useful with HAProxy connections)
 +  * c_sp - connection source port (useful with HAProxy connections)
 +  * conid - connection id
 +
 +===== $C(xy) - Foreground and background colors =====
  
 $C(xy) - reference to an escape sequence. “x” represents the foreground color and “y” represents the background color. $C(xy) - reference to an escape sequence. “x” represents the foreground color and “y” represents the background color.
cookbooks/devel/pseudovariables.txt · Last modified: 2022/04/11 15:24 by henningw