First all all i send all the message headers:POST / HTTP/1.1\r\nx-nokia-mmsc-message-id:000000000000000000000000000003\r\nx-nokia-mmsc-version:1.1\r\nx-nokia-mmsc-message-type: MultimediaMessage\r\nContent-Type: application/vnd.wap.mms-message\r\nContent-Length: 2340\r\nUser-Agent: Java1.4.0_02\r\nHost: localhost:8000\r\nAccept: */*\r\nConnection: keep-alive

THEN:
str3=0x8c;//message type+0x80=0x0c+0x80=0x8c
str4=0x80;//send-req=0x80
str5=0x98;//message-transaction id+0x80=0x98
str6=(TEXT("00000000000000000000000000000003&quot);//es la id
str7=0x00;//end of string
str8=0x8d;//mms_version+0x80=0x8d
str9=0x90;//versio 1.0
str10=0x89;//from+0x80=0x09+0x80
str11=0x10;//llargada del from+2
str12=(TEXT("+123/TYPE=PLMN&quot);
str13=0x80;
str14=0x00;//end of string
str15=0x97;//to+0x80=0x17+0x80=0x97
str16=(TEXT("147.83.39.32/TYPE=IPv4&quot);
str17=0x00;//end of string
str18=0x84;//content-type+0x80=0x04+0x80=0x84
str19=0xa3;//multipart-mixed+0x80=0x23+0x80=0xa3

str20=0x01;}//how many part?
str20=0x02;}
str20=0x03;}

str23=0x01 -->//lenth of content type
XXXX-->SIZE OF THE PICTURE OR TEXT
0X03--->IT IS A TEXT PLAIN
TEXT....

IT IS OK????????????