Estuve Instalando en un VPS y pude observar esto...
/var/tmp/rpm-tmp.IYn9aQ: line 4: elastix-menumerge: command not found
/var/tmp/rpm-tmp.IYn9aQ: line 11: elastix-dbprocess: command not found
SETTING FILE PERMISSIONS
Permissions OK
Backing up old /etc/asterisk/cel.conf as /etc/asterisk/cel.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/cel_odbc.conf as /etc/asterisk/cel_odbc.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/confbridge.conf as /etc/asterisk/confbridge.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/extensions.conf as /etc/asterisk/extensions.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/features.conf as /etc/asterisk/features.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/http.conf as /etc/asterisk/http.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/iax.conf as /etc/asterisk/iax.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/res_odbc.conf as /etc/asterisk/res_odbc.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/rtp.conf as /etc/asterisk/rtp.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/sip.conf as /etc/asterisk/sip.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/sip_notify.conf as /etc/asterisk/sip_notify.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/udptl.conf as /etc/asterisk/udptl.conf.old_issabelPBX-2.11.0-43
Backing up old /etc/asterisk/logger.conf as /etc/asterisk/logger.conf.old_issabelPBX-2.11.0-43
Replacing instances of moh with mohmp3 in /etc/asterisk/musiconhold_additional.conf ...
Replacing instances of moh with mohmp3 in /etc/asterisk/musiconhold.conf ...
Replacing instances of moh with mohmp3 in /etc/asterisk/musiconhold_custom.conf ...
Installing : issabel-my_extension-4.0.0-1.noarch 16/30
creando directorio /var/www/address_book_images
Installing : issabel-agenda-4.0.0-1.noarch 17/30
Installing : issabel-addons-4.0.0-2.noarch 18/30
CentOS base install too new, removing PostgreSQL repository...
Installing : RoundCubeMail-0.3.1-12.noarch 19/30
/var/tmp/rpm-tmp.IYn9aQ: line 4: elastix-menumerge: command not found
/var/tmp/rpm-tmp.IYn9aQ: line 11: elastix-dbprocess: command not found