Monophonic ringtones are supported by these mobile phones:
Alcatel: 311, 501, 511, 512, OT 715
LG: B2100, C3400, F2400, L5100, U8110, U8150
Motorola: C975, V1050, V188, V620, V975
Nokia: 1101, 2100, 2118, 2125i, 2650, 3105, 3210, 3310, 3330, 3410, 3510, 3510i, 5100, 5210, 5510, 6030, 6060, 6100, 6101, 6102, 6110, 6150, 6210, 6230i, 6250, 6310, 6310i, 6510, 7110, 8210, 8310, 8810, 8855, 8890, 8910, 8910i, 9110, 9110i, 9210, 9210i
Panasonic: A210, VS3
Sagem: C23, X2-2
Siemens: C75, CF62, CF75, ME75, SL56
SonyEricsson: D750i, K600I, S710a, T200, T618, T65, T68i, W550i, W800i