PUA Bridged Line Appearances

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
2. Contributors
2.1. By Commit Statistics
2.2. By Commit Activity
3. Documentation
3.1. Contributors

List of Tables

2.1. Top contributors by DevScore(1), authored commits(2) and lines added/removed(3)
2.2. Most recently active contributors(1) to this module

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

Chapter1.Admin Guide


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


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


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

Default value is NULL.

Example1.1.Set default_domain parameter

modparam("pua_bla", "default_domain", "opensips.org")


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.

Example1.2.Set header_name parameter

modparam("pua_bla", "header_name", "Sender")


The outbound_proxy uri to be used when sending Subscribe requests.

Default value is NULL.

Example1.3.Set outbound_proxy parameter

modparam("pua_bla", "outbound_proxy", "sip:proxy@opensips.org")


The IP address of the server.

Example1.4.Set server_address parameter

modparam("pua_bla", "server_address", "sip:bla@")


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

Default value is NULL.

Example1.5.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.

Example1.6.bla_set_flag usage

if(is_method("REGISTER") && to_uri=~"bla_aor@opensips.org") 

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.

Example1.7.bla_handle_notify usage

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


2.1.By Commit Statistics

Table2.1.Top contributors by DevScore(1), authored commits(2) and lines added/removed(3)

NameDevScoreCommitsLines ++Lines --
1. Anca Vamanu57271961779
2. Bogdan-Andrei Iancu (@bogdan-iancu)15124160
3. Daniel-Constantin Mierla (@miconda)971715
4. Liviu Chircu (@liviuchircu)862438
5. Ovidiu Sas (@ovidiusas)42154
6. Razvan Crainea (@razvancrainea)42710
7. Vlad Paiu (@vladpaiu)31616
8. Sergio Gutierrez3144
9. Konstantin Bokarius3125
10. Juha Heinanen (@juha-h)3122

All remaining contributors: Ezequiel Lovelle, Edson Gellert Schubert, Stanislaw Pitucha.

(1) DevScore = author_commits + author_lines_added / (project_lines_added / project_commits) + author_lines_deleted / (project_lines_deleted / project_commits)

(2) including any documentation-related commits, excluding merge commits. Regarding imported patches/code, we do our best to count the work on behalf of the proper owner, as per the "fix_authors" and "mod_renames" arrays in opensips/doc/build-contrib.sh. If you identify any patches/commits which do not get properly attributed to you, please submit a pull request which extends "fix_authors" and/or "mod_renames".

(3) ignoring whitespace edits, renamed files and auto-generated files

2.2.By Commit Activity

Table2.2.Most recently active contributors(1) to this module

NameCommit Activity
1. Bogdan-Andrei Iancu (@bogdan-iancu)Jul 2007 - Jun 2018
2. Liviu Chircu (@liviuchircu)Mar 2014 - Jun 2018
3. Razvan Crainea (@razvancrainea)Feb 2012 - Aug 2015
4. Ezequiel LovelleOct 2014 - Oct 2014
5. Ovidiu Sas (@ovidiusas)Dec 2010 - Jan 2013
6. Vlad Paiu (@vladpaiu)Aug 2011 - Aug 2011
7. Anca VamanuApr 2007 - Apr 2011
8. Stanislaw PituchaJul 2010 - Jul 2010
9. Sergio GutierrezNov 2008 - Nov 2008
10. Daniel-Constantin Mierla (@miconda)Oct 2007 - Mar 2008

All remaining contributors: Konstantin Bokarius, Edson Gellert Schubert, Juha Heinanen (@juha-h).

(1) including any documentation-related commits, excluding merge commits



Last edited by: Bogdan-Andrei Iancu (@bogdan-iancu), Liviu Chircu (@liviuchircu), Razvan Crainea (@razvancrainea), Anca Vamanu, Daniel-Constantin Mierla (@miconda), Konstantin Bokarius, Edson Gellert Schubert.

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Copyright 2007 Voice Sistem SRL