Nokia support User Data Header and User Data of the GSM 23.04?

Hi!
Nokia support User Data Header and User Data of the GSM 23.04?
If this is trust,please how for send Logos and ringtones.

Thank for you interest, and sorry for my English

Nokia Smart messaging phones are using GSM 03.40 specification. For more details about smart messaging please check following URL:
http://www.forum.nokia.com/main/1,35452,1_2_5_5,00.html

Teemu / Forum Nokia