Abbas http://i-cias.com/cgi-bin/eo-direct.pl?abbas.htm
Uncle of Muhammad. Successful merchant, and was known for the grandeur that he surrounded himself with during his travels. Stories tell that he was in charge of the Zamzam.
Adhan http://i-cias.com/cgi-bin/eo-direct.pl?adhan.htm
Uttering used to call all Muslims to prayer, salat. Sent out from a minaret, either sung by a muezzin present in the minaret, or transmitted from a loudspeaker with the help of cassette recording.