PUA Bridged Line Appearances

Anca-Maria Vamanu

   voice-system.ro

Edited by

Anca-Maria Vamanu

   Copyright © 2007 voice-system.ro
   Revision History
   Revision $Revision: 5901 $ $Date: 2009-07-21 10:45:05 +0300
                              (Tue, 21 Jul 2009) $
     __________________________________________________________

   Table of Contents

   1. Admin Guide

        1.1. Overview
        1.2. Dependencies

              1.2.1. OpenSIPS Modules
              1.2.2. External Libraries or Applications

        1.3. Exported Parameters

              1.3.1. default_domain(str)
              1.3.2. header_name(str)
              1.3.3. outbound_proxy(str)
              1.3.4. server_address(str)
              1.3.5. presence_server(str)

        1.4. Exported Functions

              1.4.1. bla_set_flag
              1.4.2. bla_handle_notify

   List of Examples

   1.1. Set default_domain parameter
   1.2. Set header_name parameter
   1.3. Set outbound_proxy parameter
   1.4. Set server_address parameter
   1.5. Set presence_server parameter
   1.6. bla_set_flag usage
   1.7. bla_handle_notify usage

Chapter 1. Admin Guide

1.1. Overview

   The pua_bla module enables Bridged Line Appearances support
   according to the specifications in
   draft-anil-sipping-bla-03.txt.

1.2. Dependencies

1.2.1. OpenSIPS Modules

   The following modules must be loaded before this module:
     * usrloc.
     * pua.
     * presence.

1.2.2. External Libraries or Applications

   The following libraries or applications must be installed
   before running OpenSIPS with this module loaded:
     * libxml.

1.3. Exported Parameters

1.3.1. default_domain(str)

   The default domain for the registered users to be used when
   constructing the uri for the registrar callback.

   Default value is "NULL".

   Example 1.1. Set default_domain parameter
...
modparam("pua_bla", "default_domain", "opensips.org")
...

1.3.2. header_name(str)

   The name of the header to be added to Publish requests. It will
   contain the uri of the user agent that sent the Notify that is
   transformed into Publish. It stops sending a Notification with
   the same information to the sender.

   Default value is "NULL".

   Example 1.2. Set header_name parameter
...
modparam("pua_bla", "header_name", "Sender")
...

1.3.3. outbound_proxy(str)

   The outbound_proxy uri to be used when sending Subscribe
   requests.

   Default value is "NULL".

   Example 1.3. Set outbound_proxy parameter
...
modparam("pua_bla", "outbound_proxy", "sip:proxy@opensips.org")
...

1.3.4. server_address(str)

   The IP address of the server.

   Example 1.4. Set server_address parameter
...
modparam("pua_bla", "server_address", "sip:bla@160.34.23.12")
...

1.3.5. presence_server(str)

   The address of the presence server - will be used as an
   outbound proxy when sending PUBLISH requests. It is optional.

   Default value is "NULL".

   Example 1.5. Set presence_server parameter
...
modparam("pua_bla", "presence_server", "sip:pa@opensips.org")
...

1.4. Exported Functions

1.4.1.  bla_set_flag

   The function is used to mark REGISTER requests made to a BLA
   AOR. The modules subscribes to the registered contacts for
   dialog;sla event.

   Example 1.6. bla_set_flag usage
...
if(is_method("REGISTER") && to_uri=~"bla_aor@opensips.org")
        bla_set_flag();
...

1.4.2.  bla_handle_notify

   The function handles Notify requests sent from phones on the
   same BLA to the server. The message is transformed in Publish
   request and passed to presence module for further handling. in
   case of a successful processing a 2xx reply should be sent.

   Example 1.7. bla_handle_notify usage
...
if(is_method("NOTIFY") && to_uri=~"bla_aor@opensips.org")
{
                if( bla_handle_notify() )
                        t_reply("200", "OK");
}
...