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====== Upgrade Kamailio from v4.4.x to v5.0.0 ======

The page contains the details about the changes that were made to old components during the development of v5.0.0 compared with what existed in v4.4.x. It does not include the brand new modules, focusing on how to upgrade database and configuration file from v4.4.x to run with Kamailio devel.

===== Previous Stable Release =====

If you look for the guidelines to upgrade to previous stable release, see:

  * [[install:upgrade:4.3.x-to-4.4.0|Upgrade Kamailio v4.3.x to v4.4.0]]

===== Remarks =====

Following tokens are used to mark the changes:

  * INF - the change doesn't really have any direct impact - no action required in old config
  * CPM - the change was used with the new value via explicit parameter in default config file from old releases
  * RCM - the change is recommended to be done if you had an explicit different or lower value for this parameter in old config

===== Modules =====

==== Removed Modules ====

=== mi_datagram ===

The **jsonrpcs** module can be used instead to execute RPC commands over datagram sockets (unix socket file, IPv4 or IPv6).

=== mi_fifo ===

The **jsonrpcs** module can be used instead to execute RPC commands over a FIFO file.

=== mi_xmlrpc ===

The **xmlrpc** module can be used instead to execute RPC commands over HTTP/S XMLRPC.

=== pua_mi ===

The **pua_rpc** module can be used instead to trigger presence PUBLISH or SUBSCRIBE requests via RPC commands.

=== purple ===

It is no longer working, not being updated to use latest libs for a very long time

=== iptrtpproxy ===

It is no longer working, not being updated to use latest libs for a very long time
==== Renamed Modules ====

The module that had a '-' (dash/minus) in the name were renamed to remove it, respectively:

  * cpl-c => cplc
  * janssonrpc-c => janssonrpcc
  * jsonrpc-c => jsonrpcc
  * jsonrpc-s => jsonrpcs

==== Impacted Modules ====

=== jsonrpcs ===

  * the default transports are set to FIFO file and unixsocket file, allowing to be used with kamctl and kamacmd via default kamailio.cfg
  * if you use it together with **xhttp** module (json-rpc via http), then you have to set the **transport** parameter accordingly

=== utils ===

  * http_query() function has been removed, use http_client module instead
===== Internal Libraries =====

==== kcore ====

The library has been removed.

Parts of its code have been removed or merged into other components.

==== kmi ====

The library has been removed.

The entire Management Interface (MI) code was removed. Instead of MI commands use RPC commands. The tool **kamctl** is using now RPC commands via **jsonrpcs** module.

===== Core =====

==== Parameters ====

===== Database =====


==== MySQL Database Structure ====

Run following SQL statements in MySQL client to upgrade database structure from v4.4 to v5.0:

<code sql>

--table: dialplan
ALTER TABLE dialplan CHANGE COLUMN repl_exp repl_exp varchar(256) NOT NULL; -- was varchar(64) NOT NULL

--table: sca_subscriptions
ALTER TABLE sca_subscriptions ADD COLUMN server_id int(11) NOT NULL DEFAULT '0';
ALTER TABLE sca_subscriptions DROP INDEX sca_expires_idx; # was INDEX (expires)
ALTER TABLE sca_subscriptions ADD INDEX sca_expires_idx (server_id,expires);
UPDATE version SET table_version=2 WHERE table_name="sca_subscriptions";

--table: subscriber
ALTER TABLE subscriber CHANGE COLUMN rpid rpid varchar(128) DEFAULT NULL; -- was varchar(64) DEFAULT NULL
ALTER TABLE subscriber CHANGE COLUMN email_address email_address varchar(128) DEFAULT NULL; -- was varchar(64) NOT NULL DEFAULT ''
ALTER TABLE subscriber CHANGE COLUMN password password varchar(64) NOT NULL DEFAULT ''; -- was varchar(25) NOT NULL DEFAULT ''
ALTER TABLE subscriber CHANGE COLUMN ha1 ha1 varchar(128) NOT NULL DEFAULT ''; -- was varchar(64) NOT NULL DEFAULT ''
ALTER TABLE subscriber CHANGE COLUMN ha1b ha1b varchar(128) NOT NULL DEFAULT ''; -- was varchar(64) NOT NULL DEFAULT ''
UPDATE version SET table_version=7 WHERE table_name="subscriber";


--table: uacreg
ALTER TABLE uacreg CHANGE COLUMN auth_proxy auth_proxy varchar(128) NOT NULL DEFAULT ''; -- was varchar(64) NOT NULL DEFAULT ''
ALTER TABLE uacreg CHANGE COLUMN l_domain l_domain varchar(64) NOT NULL DEFAULT ''; -- was varchar(128) NOT NULL DEFAULT ''
ALTER TABLE uacreg CHANGE COLUMN r_domain r_domain varchar(64) NOT NULL DEFAULT ''; -- was varchar(128) NOT NULL DEFAULT ''
ALTER TABLE uacreg ADD COLUMN auth_ha1 varchar(128) NOT NULL DEFAULT '';
UPDATE version SET table_version=3 WHERE table_name="uacreg";

</code>

===== Tools =====

==== kamctl ====

By default, kamctl uses now JSONRPC protocol over FIFO file, instead of the old MI protocol. The commands are more or less the same, but the output is now in JSON format, incompatible with the old output.

===== Config Snippets =====

This section collects configuration file snippets that can help migrating to v5.0.

==== Replace MI With RPC ====

The default configuration file for v4.4 has following snippets using MI components:

<code c>
...
loadmodule "mi_fifo.so"
...
loadmodule "mi_rpc.so"
...
# ----- mi_fifo params -----
#modparam("mi_fifo", "fifo_name", "/var/run/kamailio/kamailio_fifo")
...
</code>

Replace them with next snippets to upgrade to v5.0:

<code c>
...
loadmodule "jsonrpcs.so"
...
# ----- jsonrpcs params -----
modparam("jsonrpcs", "pretty_format", 1)
/* set the path to RPC fifo control file */
# modparam("jsonrpcs", "fifo_name", "/var/run/kamailio/kamailio_rpc.fifo")
/* set the path to RPC unix socket control file */
# modparam("jsonrpcs", "dgram_socket", "/var/run/kamailio/kamailio_rpc.sock")
...
</code>