Question

Decode PDU for SMS

Asked by: hfn

Hi!

I'am working on an application where I need
to decode a SMS message that is coded with PDU.

Is there anyone that can provide me with algoritm to
decode the message.

/Fredrik Nilsson

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Asked On
2003-01-28 at 12:02:29ID20486015
Tags

pdu

,

decode

,

algoritm

Topic

Wireless Technologies

Participating Experts
4
Points
50
Comments
7

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Answers

 

by: BigRatPosted on 2003-01-29 at 03:26:12ID: 7836770

At http://www.dreamfabric.com/sms/ there is a description of the PDU format. When you extract the data you'll need to convert the packed 7-bit characters into 8-bit ISO ones (at the least since it can also contain Greek characetrs). The tables and packing can be found at www.etsi.org in the document GSM 03.08 Alphabets and Laguage specific Information".

However you might find this library very useful : http://www.pxh.de/fs/gsmlib/

HTH

 

by: twdevPosted on 2003-03-13 at 05:43:53ID: 8127656

Check out a tool called ActiveXMS PDU Toolkit at www.businesms.com - it's a proprietary tool but it's fairly inexpensive and does everything you need.

Paul

 

by: pgalliennePosted on 2003-04-05 at 06:30:04ID: 8275017

Have a look at www.xinspect.com - it can decode a sms pdu (amongst others).

PG

 

by: owittePosted on 2003-05-01 at 08:13:14ID: 8436161

you can find VB functions for decoding and encoding PDU blocks here:

http://ahui.cn.gs/production/phone/index_vb.html

The site is in chinese, but the functions can be copied. I tried them, works fine :-) Unfortunately, I found them after I wrote my own, so maybe you can save the time I spent already ,-))

Have a :-) day
Oliver

P.S.: There's a nice tool called PDUSpy out there on the net that encodes and decodes PDU messages. A google search should point you to it.

20120131-EE-VQP-002

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