SpeedDial Module

Elena-Ramona Modroiu

Edited by

Elena-Ramona Modroiu


Table of Contents
1. User's Guide
1.1. Overview
1.2. Dependencies
1.2.1. OpenSER Modules
1.2.2. External Libraries or Applications
1.3. Exported Parameters
1.3.1. db_url (string)
1.3.2. user_column (string)
1.3.3. domain_column (string)
1.3.4. sd_user_column (string)
1.3.5. sd_domain_column (string)
1.3.6. new_uri_column (string)
1.3.7. domain_prefix (string)
1.3.8. use_domain (int)
1.4. Exported Functions
1.4.1. sd_lookup(table)
1.5. Installation & Running
1.5.1. Database setup
1.5.2. OpenSER config file
2. Developer's Guide
3. Frequently Asked Questions
List of Examples
1-1. Set db_url parameter
1-2. Set user_column parameter
1-3. Set domain_column parameter
1-4. Set sd_user_column parameter
1-5. Set sd_domain_column parameter
1-6. Set new_uri_column parameter
1-7. Set domain_prefix parameter
1-8. Set use_domain parameter
1-9. sd_lookup usage
1-10. speeddial sql script
1-11. OpenSER config script - sample speeddial usage

Chapter 1. User's Guide

1.1. Overview

This module provides on-server speed dial facilities. An user can store records consisting of pairs short numbers (2 digits) and SIP addresses into a table of SER. Then it can dial the two digits whenever he wants to call the SIP address associated with those digits.


1.2. Dependencies

1.2.1. OpenSER Modules

The following modules must be loaded before this module:

  • database module (mysql, dbtext, ...).

  • sl - stateless module.


1.2.2. External Libraries or Applications

The following libraries or applications must be installed before running OpenSER with this module loaded:

  • None.


1.3. Exported Parameters

1.3.1. db_url (string)

The URL of database where the table containing speed dial records.

Default value is DEFAULT_RODB_URL.

Example 1-1. Set db_url parameter

...
modparam("speeddial", "db_url", "mysql://ser:xxx@localhost/ser")
...

1.3.2. user_column (string)

The name of column storing the user name of the owner of the speed dial record.

Default value is "username".

Example 1-2. Set user_column parameter

...
modparam("speeddial", "user_column", "userid")
...

1.3.3. domain_column (string)

The name of column storing the domain of the owner of the speed dial record.

Default value is "domain".

Example 1-3. Set domain_column parameter

...
modparam("speeddial", "domain_column", "userdomain")
...

1.3.4. sd_user_column (string)

The name of the column storing the user part of the short dial address.

Default value is "sd_username".

Example 1-4. Set sd_user_column parameter

...
modparam("speeddial", "sd_user_column", "short_user")
...

1.3.5. sd_domain_column (string)

The name of the column storing the domain of the short dial address.

Default value is "sd_domain".

Example 1-5. Set sd_domain_column parameter

...
modparam("speeddial", "sd_domain_column", "short_domain")
...

1.3.6. new_uri_column (string)

The name of the column containing the URI that will be use to replace the short dial URI.

Default value is "new_uri".

Example 1-6. Set new_uri_column parameter

...
modparam("speeddial", "new_uri_column", "real_uri")
...

1.3.7. domain_prefix (string)

If the domain of the owner (From URI) starts with the value of this parameter, then it is stripped before performing the lookup of the short number.

Default value is NULL.

Example 1-7. Set domain_prefix parameter

...
modparam("speeddial", "domain_prefix", "tel.")
...

1.3.8. use_domain (int)

The parameter specifies wheter or not to use the domain when searching a speed dial record (0 - no domain, 1 - use domain from From URI, 2 - use both domains, from From URI and from request URI).

Default value is 0.

Example 1-8. Set use_domain parameter

...
modparam("speeddial", "use_domain", 1)
...

1.4. Exported Functions

1.4.1. sd_lookup(table)

Print a formated message using LOG function.

Meaning of the parameters is as follows:

  • table - The name of the table storing the speed dial records.

Example 1-9. sd_lookup usage

...
if(uri=~"sip:[0-9]{2}@.*")
    sd_lookup("speeddial");
...

1.5. Installation & Running

1.5.1. Database setup

Before using speeddial module, you have to create the database table where the short dial addresses are stored. If the table was not created at the installation time, you can use the following SQL script (tested with MySQL) as template. Database, the table name, and column names can be set with module parameters so they can be changed.

Example 1-10. speeddial sql script

...
CREATE TABLE speed_dial (
  username varchar(64) NOT NULL default '',
  domain varchar(128) NOT NULL default '',
  sd_username varchar(64) NOT NULL default '',
  sd_domain varchar(128) NOT NULL default '',
  new_uri varchar(192) NOT NULL default '',
  description varchar(64) NOT NULL default '',
  PRIMARY KEY (username, domain, sd_domain, sd_username)
);

...

1.5.2. OpenSER config file

Next picture displays a sample usage of speeddial.

Example 1-11. OpenSER config script - sample speeddial usage

...
#
# $Id: speeddial.cfg,v 1.2 2005/06/09 09:32:02 daniel Exp $
#
# sample config script to use speeddial module
#

# ----------- global configuration parameters ------------------------

check_via=no	# (cmd. line: -v)
dns=no          # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
fifo="/tmp/ser_fifo"

# ------------------ module loading ----------------------------------

loadmodule "/usr/local/lib/openser/modules/sl.so"
loadmodule "/usr/local/lib/openser/modules/tm.so"
loadmodule "/usr/local/lib/openser/modules/rr.so"
loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/lib/openser/modules/registrar.so"
loadmodule "/usr/local/lib/openser/modules/textops.so"
loadmodule "/usr/local/lib/openser/modules/mysql.so"
loadmodule "/usr/local/lib/openser/modules/speeddial.so"

# ----------------- setting module-specific parameters ---------------

# -- usrloc params --

modparam("usrloc", "db_mode",   0)

# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)

# -------------------------  request routing logic -------------------

# main routing logic
route{

	# initial sanity checks 
	if (!mf_process_maxfwd_header("10"))
	{
		sl_send_reply("483","Too Many Hops");
		break;
	};
	if (msg:len >=  max_len )
	{
		sl_send_reply("513", "Message too big");
		break;
	};

	if (!method=="REGISTER") record_route();	

	if (loose_route())
	{
		if (!t_relay())
		{
			sl_reply_error();
		};
		break;
	};

	if (!uri==myself)
	{
		if (!t_relay())
		{
			sl_reply_error();
		};
		break;
	};

	if (uri==myself)
	{
		if (method=="REGISTER")
		{
			save("location");
			break;
		};

		if(uri=~"sip:[0-9]{2}@.*")
			sd_lookup("speeddial");

		lookup("aliases");
		if (!uri==myself)
		{
			if (!t_relay())
			{
				sl_reply_error();
			};
			break;
		};

		if (!lookup("location"))
		{
			sl_send_reply("404", "Not Found");
			break;
		};
	};

	if (!t_relay())
	{
		sl_reply_error();
	};
}


...
		

Chapter 2. Developer's Guide

The module does not provide any API to use in other OpenSER modules.


Chapter 3. Frequently Asked Questions

3.1. Where can I post a question about this module?
3.2. How can I report a bug?

3.1. Where can I post a question about this module?

Sent an email to or, if you want to keep the mail private, send it to .

Remember: first at all, check if your question was already answered on one of OpenSER mailing lists:

3.2. How can I report a bug?

Accumulate as much as possible information (OpenSER version, ser -V output, your OS (uname -a), OpenSER logs, network dumps, core dump files, configuration file) and send a mail to