Hi Kaushal,
libpri is not in CentOS. I think that it is in EPEL. Please see following field of "Repo.".
[root@localhost ~]# rpm -q centos-release centos-release-5-6.el5.centos.1 [root@localhost ~]# yum info libpri Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile (snip) Available Packages Name : libpri Arch : i386 Version : 1.4.7 Release : 1.el5 Size : 72 k Repo : epel Summary : An implementation of Primary Rate ISDN URL : http://www.asterisk.org/ License : GPLv2+ Description: libpri is a C implementation of the Primary Rate ISDN specification. : It was based on the Bellcore specification SR-NWT-002343 for National : ISDN. As of May 12, 2001, it has been tested work with NI-2, Nortel : DMS-100, and Lucent 5E Custom protocols on switches from Nortel and : Lucent.
Name : libpri Arch : x86_64 Version : 1.4.7 Release : 1.el5 Size : 71 k Repo : epel Summary : An implementation of Primary Rate ISDN URL : http://www.asterisk.org/ License : GPLv2+ Description: libpri is a C implementation of the Primary Rate ISDN specification. : It was based on the Bellcore specification SR-NWT-002343 for National : ISDN. As of May 12, 2001, it has been tested work with NI-2, Nortel : DMS-100, and Lucent 5E Custom protocols on switches from Nortel and : Lucent.
Regards,