Ecumenical Patriarch Bartholomew
The Patriarch of Constantinople was suspended for 3 minutes, the rite of consecration of the water, hearing the voice of the muezzin from the mosque.
In Istanbul, Patriarch Bartholomew suspended the reading of the prayers during the consecration of the waters on Theophany (Julian calendar) in Bursa, from reading the prayer in Turkish mosques. Video from making the consecration, 19 January published on the official website of the Patriarchate of Constantinople.
On 18 minutes, you can see how the Primate of the Church of Constantinople stops service for three minutes, waiting for the muezzin will sing the azan (calling for prayer).