Upgrade from 0.2 to 0.3:

1. Update database schema:
    Execute as user 'postgres':
    $ psql gsphonebook < database-0.2-to-0.3.pgsql

2. Update PHP-files:

    Copy gsphonebook-0.3/html/* recursively over your old installation.

3. *OPTIONAL* for call information and history:

    Install gsphonebookd.py as described in INSTALL.txt, section 8.

    Additionally the asterisk manager user you set up before needs additional
    read permissions. Add the following line to /etc/asterisk/manager.conf to
    the gsphonebook-user:

    read = call, system

--------------------------------------------------------------------------------
Upgrade from 0.1 to 0.2:

1. Update database schema:
    Execute as user 'postgres':

    $ psql gsphonebook -c "ALTER TABLE users ADD callerid text"

2. Update PHP-files:

    Copy gsphonebook-0.2/html/* recursively over your old installation.

3. Update config.php:

    Add the following lines to your config.php:
----------------------------------------------------------------------
/* How long should browser sessions last? */
$session_timeout = 21600;

/* Enable XAJAX-debugging? */
$debug = false;
----------------------------------------------------------------------

4. For click-to-dial to work follow the explanation in INSTALL.txt
