problem with concatenate SMS, please help

[shadow777]

Dear All,
I want to send concatenate sms using nokia 30 modem, I alreay read smart messeging FAQ, but I still cannot do that.

Can anybody help me ? please, it's so important for me.

can anybody give me the sample pdu for send 3 concatenate message, I already try to send with pdu mode, but the receiver only receive : "Message cannot be displayed", whats wrong ?

this is my data :
sms c : +6281100000
receiver : 08151833407
PDU : AT+CMGS=23
0691261801000041000b818051813304f700040a00030a02014142434445
(part 1 of pdu)

thanks very much

[kivitalo]

06 91 26 18 01 00 00
41
00
0b 81 80 51 81 33 04 f7
00 04
0b
05 Length of user data header was missing
00 03 0a 02 01
41 42 43 44 45
Br,
M Forum Nokia Developer Support