1.2.7.1 asterisk error message


#1

I am an asterisk pbx user at first time.
my os. is centos 4.3.
I got the error message below.
Am i do something worng?
Plz help me.
THKS.
ps.My enghlish is not good enough. i beg your pardon.
Following information is all files that i have installed

zaptel-modules-2.6.9-34.ELsmp-1.2.5-2.1001_CentOS43.LC.x86_64.rpm
zaptel-devel-1.2.5-2.1001_CentOS43.LC.x86_64.rpm
zaptel-1.2.5-2.1001_CentOS43.LC.x86_64.rpm
unixODBC-2.2.11-1.RHEL4.1.x86_64.rpm
postgresql-libs-7.4.8-1.RHEL4.1.x86_64.rpm
perl-DBI-1.40-8.x86_64.rpm
mysql-4.1.12-3.RHEL4.1.x86_64.rpm
libpri-devel-1.2.2-1.326_CentOS43.LC.x86_64.rpm
libpri-1.2.2-1.326_CentOS43.LC.x86_64.rpm
asterisk-sounds-1.2.1-1_CentOS43.LC.noarch.rpm
asterisk-devel-1.2.7.1-1.20292_CentOS43.LC.x86_64.rpm
asterisk-addons-1.2.2-1.208_CentOS43.LC.x86_64.rpm
asterisk-1.2.7.1-1.20292_CentOS43.LC.x86_64.rpm

The following is error message,while i try to run asterisk.

Asterisk 1.2.7.1, Copyright © 1999 - 2006 Digium, Inc. and others.
Created by Mark Spencer markster@digium.com
Asterisk comes with ABSOLUTELY NO WARRANTY; type ‘show warranty’ for details.
This is free software, with components licensed under the GNU General Public
License version 2 and other licenses; you are welcome to redistribute it under
certain conditions. Type ‘show license’ for details.

[ Booting…Unable to open logger.conf: No such file or directory
May 29 22:22:03 NOTICE[1687]: manager.c:1678 init_manager: Unable to open management configuration manager.conf. Call management disabled.
May 29 22:22:03 NOTICE[1687]: cdr.c:1191 do_reload: CDR simple logging enabled.
.May 29 22:22:03 WARNING[1687]: res_musiconhold.c:1200 load_module: No music on hold classes configured, disabling music on hold…May 29 22:22:03 NOTICE[1687]: res_odbc.c:599 load_module: res_odbc loaded.
…May 29 22:22:03 NOTICE[1687]: config.c:863 ast_config_engine_register: Registered Config Engine odbc
…May 29 22:22:03 ERROR[1687]: res_config_mysql.c:615 mysql_reconnect: MySQL RealTime: Failed to connect database server on . Check debug for more info.
May 29 22:22:03 WARNING[1687]: res_config_mysql.c:450 load_module: MySQL RealTime: Couldn’t establish connection. Check debug.
May 29 22:22:03 NOTICE[1687]: config.c:863 ast_config_engine_register: Registered Config Engine mysql
…May 29 22:22:03 WARNING[1687]: pbx_ael.c:1146 ast_ael_compile: Unable to open ‘/etc/asterisk/extensions.ael’: No such file or directory
May 29 22:22:03 WARNING[1687]: pbx.c:3758 ast_merge_contexts_and_delete: Requested contexts didn’t get merged
.May 29 22:22:03 ERROR[1687]: pbx_dundi.c:4574 set_config: Unable to load config dundi.conf
…May 29 22:22:03 WARNING[1687]: pbx.c:3758 ast_merge_contexts_and_delete: Requested contexts didn’t get merged
…May 29 22:22:03 ERROR[1687]: chan_alsa.c:354 alsa_card_init: snd_pcm_open failed: No such file or directoryMay 29 22:22:03 ERROR[1687]: chan_alsa.c:354 alsa_card_init: snd_pcm_open failed: No such file or directory
May 29 22:22:03 ERROR[1687]: chan_alsa.c:489 soundcard_init: Problem opening alsa I/O devices
.May 29 22:22:03 NOTICE[1687]: chan_agent.c:1036 read_agent_config: No agent configuration found – agent support disabled
.May 29 22:22:03 NOTICE[1687]: src/chan_h323.c:1752 reload_config: Unable to load config ooh323.conf, OOH323 disabled
.May 29 22:22:03 ERROR[1687]: chan_zap.c:10211 setup_zap: Unable to load config zapata.conf
May 29 22:22:03 WARNING[1687]: loader.c:414 __load_resource: chan_zap.so: load_module failed, returning -1
May 29 22:22:03 WARNING[1687]: loader.c:554 load_modules: Loading module chan_zap.so failed!