Call to prayer

[2][3] In the early Church, different methods were used to call the worshippers: playing trumpets, hitting wooden planks, shouting, or using a courier.

[7] However, the invention credited to Paulinus was probably the work of Nicetas of Remesiana, and most likely used in the churches used by the Bessi in the highlands of Western Thrace.

[4] By the early Middle Ages, church bells became common throughout the rest of Europe, and were most likely spread by the Irish missionaries and their Celtic influence.

The main purpose behind the multiple loud pronouncements of adhan in every mosque is to make available to everyone an easily intelligible summary of Islamic belief.

[15] The Barechu (Hebrew: ברכו, also Borchu, Barekhu or Bar'chu) is the beginning of the Jewish prayer service.