avcconnect - IP Intercom system in the school and college | IP Pu... The PA system is the foremost to a school and colleges for it has such demands as to broadcast the campus culture, the English listening and the ringing of the bells.

IP Intercom system in the school and college | IP Pu... The PA system is the foremost to a school and colleges for it has such demands as to broadcast the campus culture, the English listening and the ringing of the bells.

https://images.plurk.com/1OqwLiXPEcaljNyqGB6na4.jpg