Only able to run Asterisk 13.4 in SafeAsterisk, CentOS6.3

Hi guys,

Good day to you all, I am currently new to asterisk and could not run asterisk 13.4 properly in Centos 6.3. Tried to google the errors when I run Safe Asterisk, doing all the recommended steps but still unable to make it work. Just trying if some of you have encountered the same problems and would know how to fix it. I am running it on VMWare Workstation 9. For example for the error “pbx_dundi.c:4582 load_module: Unable to bind to 0.0.0.0 port 4520” I changed the port in dundi.conf to 4521 but now it says unable to bind port to 4521.

[root@localhost ~]# asterisk -r
Unable to connect to remote asterisk (does /var/run/asterisk/asterisk.ctl exist?)

[root@localhost ~]# service asterisk restart
Stopping safe_asterisk: [ OK ]
Shutting down asterisk: [ OK ]
Starting asterisk:

[root@localhost ~]# service asterisk start
Starting asterisk:

[root@localhost ~]# asterisk -c
Asterisk 13.4.0, Copyright © 1999 - 2014, Digium, Inc. and others.
Created by Mark Spencer markster@digium.com
Asterisk comes with ABSOLUTELY NO WARRANTY; type ‘core 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 ‘core show license’ for details.

[ Initializing Custom Configuration Options ]
XSLT support not found. XML documentation may be incomplete.
[Jul 7 01:29:50] NOTICE[3196]: cdr.c:4152 cdr_toggle_runtime_options: CDR simple logging enabled.
[Jul 7 01:29:50] NOTICE[3196]: loader.c:1364 load_modules: 229 modules will be loaded.
[Jul 7 01:29:50] WARNING[3196]: loader.c:553 load_dynamic_module: Error loading module ‘res_monitor.so’: /usr/lib/asterisk/modules/res_monitor.so: undefined symbol: __ast_beep_stop
[Jul 7 01:29:50] WARNING[3196]: res_phoneprov.c:1229 get_defaults: Unable to find a valid server address or name.
Registered phoneprov provider ‘sipusers’.
[Jul 7 01:29:50] ERROR[3196]: ari/config.c:296 process_config: No configured users for ARI
[Jul 7 01:29:50] NOTICE[3196]: chan_skinny.c:8410 config_load: Configuring skinny from skinny.conf
[Jul 7 01:29:50] WARNING[3196]: chan_dahdi.c:18935 process_dahdi: Ignoring any changes to ‘userbase’ (on reload) at line 23.
[Jul 7 01:29:50] WARNING[3196]: chan_dahdi.c:18935 process_dahdi: Ignoring any changes to ‘vmsecret’ (on reload) at line 31.
[Jul 7 01:29:50] WARNING[3196]: chan_dahdi.c:18935 process_dahdi: Ignoring any changes to ‘hassip’ (on reload) at line 35.
[Jul 7 01:29:50] WARNING[3196]: chan_dahdi.c:18935 process_dahdi: Ignoring any changes to ‘hasiax’ (on reload) at line 39.
[Jul 7 01:29:50] WARNING[3196]: chan_dahdi.c:18935 process_dahdi: Ignoring any changes to ‘hasmanager’ (on reload) at line 47.
SIP channel loading…
[Jul 7 01:29:50] NOTICE[3196]: confbridge/conf_config_parser.c:2073 verify_default_profiles: Adding default_menu menu to app_confbridge
[Jul 7 01:29:50] NOTICE[3196]: cel_custom.c:95 load_config: No mappings found in cel_custom.conf. Not logging CEL to custom CSVs.
[Jul 7 01:29:51] ERROR[3196]: pbx_dundi.c:5029 load_module: Unable to bind to 0.0.0.0 port 4521: Address already in use
Asterisk Ready.

*CLI> core show version
Asterisk 13.4.0 built by root @ localhost.localdomain on a x86_64 running Linux on 2015-06-29 07:45:27 UTC