Module: sip-router Branch: master Commit: 1eeae38650ce70ade73f7e03fd3be78f1d97e0e5 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=1eeae38… Author: Torrey Searle &lt;tsearle(a)gmail.com&gt; Committer: Torrey Searle &lt;tsearle(a)gmail.com&gt; Date: Sat Apr 6 11:59:55 2013 +0200 modules/sipt/doc: add section headers & fix README file --- modules/sipt/README | 175 ++++++++++++++++++++++++++++++++------- modules/sipt/doc/sipt_admin.xml | 12 ++-- 2 files changed, 150 insertions(+), 37 deletions(-) diff --git a/modules/sipt/README b/modules/sipt/README index 75ea181..31c665b 100644 --- a/modules/sipt/README +++ b/modules/sipt/README @@ -1,31 +1,144 @@ -<?xml version="1.0" encoding='ISO-8859-1'?> -<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" -"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ - -<!-- Include general documentation entities --> -<!ENTITY % docentities SYSTEM "../../../docbook/entities.xml"> -%docentities; - -]> - -<book xmlns:xi="http://www.w3.org/2001/XInclude"> - <bookinfo> - <title>sipt Module</title> - <authorgroup> - <author> - <firstname>Torrey</firstname> - <surname>Searle</surname> - <affiliation><orgname>Voxbone SA</orgname></affiliation> - &lt;email&gt;torrey(a)voxbone.com&lt;/email&gt; - </author> - </authorgroup> - <copyright> - <year>2013</year> - <holder>Voxbone SA</holder> - </copyright> - </bookinfo> - <toc></toc> - - <xi:include href="sipt_admin.xml"/> - -</book> +sipt Module + +Torrey Searle + + Voxbone SA + &lt;torrey(a)voxbone.com&gt; + + Copyright © 2013 Voxbone SA + __________________________________________________________________ + + Table of Contents + + 1. Admin Guide + + 1. Overview + 2. Dependencies + 3. Functions + + 3.1. sipt_destination(destination, hops, nai) + 3.2. sipt_get_hop_counter() + 3.3. sipt_get_cpc() + 3.4. sipt_get_calling_party_nai() + 3.5. sipt_get_called_party_nai() + + List of Examples + + 1.1. sipt_destination(destination, hops, nai) usage + 1.2. sipt_get_hop_counter() usage + 1.3. sipt_get_cpc() usage + 1.4. sipt_get_calling_party_nai() usage + 1.5. sipt_get_called_party_nai() usage + +Chapter 1. Admin Guide + + Table of Contents + + 1. Overview + 2. Dependencies + 3. Functions + + 3.1. sipt_destination(destination, hops, nai) + 3.2. sipt_get_hop_counter() + 3.3. sipt_get_cpc() + 3.4. sipt_get_calling_party_nai() + 3.5. sipt_get_called_party_nai() + +1. Overview + + Module for updating ISUP encapuslated in SIP (SIP-T/SIP-I) + + The sipt module can be used to update various ss7 headers contained + inside a message. + +2. Dependencies + + The module depends on the following modules (in the other words the + listed modules must be loaded before this module): + * none + +3. Functions + + 3.1. sipt_destination(destination, hops, nai) + 3.2. sipt_get_hop_counter() + 3.3. sipt_get_cpc() + 3.4. sipt_get_calling_party_nai() + 3.5. sipt_get_called_party_nai() + +3.1. sipt_destination(destination, hops, nai) + + updates the IAM in the body if it exists, setting the called party + number to “destination” with the nature address specified in “nai” and + decrementing the hop counter value if present. If the hop counter + header is missing it will be added with the value of “hops”. + + Example 1.1. sipt_destination(destination, hops, nai) usage +... +# update the destination number to our current request uri, +# setting nature of address to international +$rU = "19495551234"; +sipt_destination($rU, 31, 4); +... + +3.2. sipt_get_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 1.2. sipt_get_hop_counter() usage +... +# get the hop counter and update the Max-Forwards header if it exists +$avp(s:hop) = sipt_get_hop_counter(); +if($avp(s:hop) > 0) +{ + remove_hf("Max-Forwards"); + append_hf("Max-Forwards: $avp(s:hop)\r\n"); +} + +... + +3.3. sipt_get_cpc() + + Returns the value of the Calling Party Category for the IAM message. + Returns -1 if there is a parsing error. + + Example 1.3. sipt_get_cpc() usage +... +# get the Cpc code and set put it in a custom sip header +$avp(s:cpc) = sipt_get_cpc(); +append_hf("X-CPC: $avp(s:cpc)\r\n"); + +... + +3.4. sipt_get_calling_party_nai() + + Returns the value of the Nature of Address Indicator of the Calling + Party for the IAM message. Returns -1 if there is a parsing error or if + the Calling Party Number is not present. + + Example 1.4. sipt_get_calling_party_nai() usage +... +# get the Calling Nai and add country code if national +$avp(s:from_nai) = sipt_get_calling_party_nai(); +if($avp(s:from_nai) == 3) +{ + $fU = "32" + "$fU"; +} + +... + +3.5. sipt_get_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. + + Example 1.5. sipt_get_called_party_nai() usage +... +# get the Called Nai and add country code if national +$avp(s:to_nai) = sipt_get_called_party_nai(); +if($avp(s:to_nai) == 3) +{ + $rU = "32" + "$rU"; +} + +... diff --git a/modules/sipt/doc/sipt_admin.xml b/modules/sipt/doc/sipt_admin.xml index 04b9a59..db52640 100644 --- a/modules/sipt/doc/sipt_admin.xml +++ b/modules/sipt/doc/sipt_admin.xml @@ -37,7 +37,7 @@ <section> <title>Functions</title> - <section> + <section id="sipt.f.sipt_destination"> <title><function moreinfo="none">sipt_destination(destination, hops, nai)</function></title> <para> updates the IAM in the body if it exists, setting the called party number to <quote>destination</quote> @@ -56,7 +56,7 @@ sipt_destination($rU, 31, 4); </programlisting> </example> </section> - <section> + <section id="sipt.f.sipt_get_hop_counter"> <title><function moreinfo="none">sipt_get_hop_counter()</function></title> <para> Returns the value of the Hop Counter for the IAM message if it exists. @@ -78,7 +78,7 @@ if($avp(s:hop) > 0) </programlisting> </example> </section> - <section> + <section id="sipt.f.sipt_get_cpc"> <title><function moreinfo="none">sipt_get_cpc()</function></title> <para> Returns the value of the Calling Party Category for the IAM message. @@ -96,7 +96,7 @@ append_hf("X-CPC: $avp(s:cpc)\r\n"); </programlisting> </example> </section> - <section> + <section id="sipt.f.sipt_get_calling_party_nai"> <title><function moreinfo="none">sipt_get_calling_party_nai()</function></title> <para> Returns the value of the Nature of Address Indicator @@ -119,7 +119,7 @@ if($avp(s:from_nai) == 3) </programlisting> </example> </section> - <section> + <section id="sipt.f.sipt_get_called_party_nai"> <title><function moreinfo="none">sipt_get_called_party_nai()</function></title> <para> Returns the value of the Nature of Address Indicator @@ -132,7 +132,7 @@ if($avp(s:from_nai) == 3) ... # get the Called Nai and add country code if national $avp(s:to_nai) = sipt_get_called_party_nai(); -if($avp(s:from_nai) == 3) +if($avp(s:to_nai) == 3) { $rU = "32" + "$rU"; }