Re: [RFI] UDH in MO messages

>
>  >
>>  On GSM specs, UDH is always part of the message and an UDH indicator
>>  flag is set. Maybe your ericsson simply doesnt set this flag?
>
>But where is the udh indicator flag in UCP protocol ?!?!
>SMSC should read the flag and split the udh to the xser field, right ?

Yes, the incoming binary messages I was looking at where having the 
UDH being split off and sent as XSer packet. However if the flag 
would be missing, it would come as part of the message.


>But let me make something clearer:
>The picture message was sent with a nokia 6210 and the message is ok,
>except that udh is not in the right place

ok unless you have a buggy 6210 software (my test was from 6210 too 
actually), your XSer should contain UDH. Maybe you need a more recent 
software on the SMSC?


>The second message, the supposed long text message (two messages with
>"monomoo monomoo ...") was sent with a ericsson T68, and I only receive
>two messages with ` and nothing else (no udh, no "monomoo"'s, no
>concatenation, nothing)

Well I havnt tried that but I would expect to see a UDH header 
indicating concatenation (which has to be turned on on the T68)

>Can you send a picture message and a long text message and reply back to
>me the UCP strings so I can ask what happens with my smsc ?

I cant do that right now but I'm 100% sure that I've seen incoming 
pictures with UDH in XSer because that's how I analyzed the UDH stuff 
at the time. It was also containing some DCS value.

-- 

Andreas Fink
Fink-Consulting

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