more m-notification-ind

Hello!
 I'm trying to send a m-notification-ind, which has been the source of plenty of headaches for plenty of people too.. Hopefully Alex releases the FAQ soon :) 

Anyway - this is what I'm sending, without getting any reply from my nokia 7650: 

01 transaction id
06 pushtype
20 headerlen
6170706C69636174696F6E2F766E642E7761702E6D6D732D6D65737361676500
a p p l i c a t i o n / v n d . w a p . m m s - m e s s a g e 
8C 82 m-notification
98 41 00 transid: A
8D 90 mmsver 1.0 
89 16 from, length 22
802B3132333435363738392F545950453D504C4D4E00
  + 1 2 3 4 5 6 7 8 9 / T Y P E = P L M N 
96 subject 
7465737400
t e s t
8A 80 msgclass personal
8E 02 0B 05 msgsize 2 bytes, 0b 05 = 2821
88 05 81 03 01 51 80 expiry, relative 86400
83 location
687474703A2F2F7777772F74657374692E6D6D7300
h t t p : / / w w w / t e s t i . m m s 


Any ideas what might be wrong?

 - Matias Lahti