# yum install asterisk
[root@asterisk-dev asterisk]# cat /etc/yum.repos.d/asterisk.repo 
[asterisk-perso]
name=CentOS-$releasever - Asterisk - perso
baseurl=http://cobbler.int-evry.fr/cobbler/repo_mirror/el5-i386-asterisk
enabled=1
gpgcheck=0

#gpgkey=http://packages.asterisk.org/RPM-GPG-KEY-Digium
[asterisk-tested]
name=CentOS-$releasever - Asterisk - Tested
baseurl=http://packages.asterisk.org/centos/$releasever/tested/$basearch/
enabled=0
gpgcheck=0
#gpgkey=http://packages.asterisk.org/RPM-GPG-KEY-Digium

[asterisk-current]
name=CentOS-$releasever - Asterisk - Current
baseurl=http://packages.asterisk.org/centos/$releasever/current/$basearch/
enabled=1
gpgcheck=0
#gpgkey=http://packages.asterisk.org/RPM-GPG-KEY-Digium

[digium-tested]
name=CentOS-$releasever - Digium - Tested
baseurl=http://packages.digium.com/centos/$releasever/tested/$basearch/
enabled=0
gpgcheck=0
#gpgkey=http://packages.digium.com/RPM-GPG-KEY-Digium

[digium-current]
name=CentOS-$releasever - Digium - Current
baseurl=http://packages.digium.com/centos/$releasever/current/$basearch/
enabled=1
gpgcheck=0
#gpgkey=http://packages.digium.com/RPM-GPG-KEY-Digium

Dependencies Resolved

==============================================================================================================================================
 Package                                     Arch             Version                                        Repository                  Size
==============================================================================================================================================
Installing:
 asterisk14                                  i386             1.4.40.1-1_centos5                             asterisk-current           4.3 k
Installing for dependencies:
 asterisk-sounds-core-en-ulaw                noarch           1.4.20-1_centos5                               asterisk-current           7.4 M
 asterisk14-core                             i386             1.4.40.1-1_centos5                             asterisk-current           9.0 M
 asterisk14-dahdi                            i386             1.4.40.1-1_centos5                             asterisk-current           758 k
 asterisk14-doc                              i386             1.4.40.1-1_centos5                             asterisk-current            11 k
 asterisk14-voicemail                        i386             1.4.40.1-1_centos5                             asterisk-current           241 k
 dahdi-firmware                              noarch           2.0.2-1_centos5                                digium-current             2.0 k
 dahdi-firmware-hx8                          noarch           2.06-1_centos5                                 digium-current              31 k
 dahdi-firmware-oct6114-064                  noarch           1.05.01-1_centos5                              digium-current             165 k
 dahdi-firmware-oct6114-128                  noarch           1.05.01-1_centos5                              digium-current             166 k
 dahdi-firmware-tc400m                       noarch           MR6.12-1_centos5                               digium-current             1.7 M
 dahdi-linux                                 i386             2.4.1.2-1_centos5                              asterisk-current           3.3 k
 kernel                                      i686             2.6.18-238.9.1.el5                             Ce5-i386-updates            17 M
 kmod-dahdi-linux                            i686             2.4.1.2-1_centos5.2.6.18_238.9.1.el5           asterisk-current           3.8 M
 kmod-dahdi-linux-fwload-vpmadt032           i686             2.4.1.2-1_centos5.2.6.18_238.9.1.el5           digium-current             128 k
 libpri                                      i386             1.4.11.5-1_centos5                             asterisk-current           359 k
 libtonezone                                 i386             2.4.0-2_centos5                                asterisk-current            18 k
 yum-kmod                                    noarch           1.1.16-14.el5.centos.1                         core-0                      18 k

Transaction Summary
==============================================================================================================================================
Install      18 Package(s)
Upgrade       0 Package(s)

Total download size: 41 M