http://www.nobbi.com/download/pduspy.zip
Very good gadget. You can resolve the PDU format. very convenient
Example: PDU: 0891683108400105F0040D91683149010505F6000840909131443100064ECA665A5427
PDU Length IS 35 BYTESADDRESS OF Delivering SMSC Number IS: 8613800410500 TYPE OF NR.: (0x10) International NPI: (0x01) ISDN / TELEPHONE (E.164 / 163)
Message Type: SMS Deliver Msgs Waiting In SC: No User Data Header: No Udh Reply Path: NO
Originating address Number is: 8613941050506 Type of nr.: (0x10) International NPI: (0x01) ISDN / Telephone (E.164 / 163)
Protocol Identifier (0x00) Message Entities: SME-to-SME Protocol Used: Implicit / SC-Specific
Data Coding Scheme (0x08) Compression: Off Message Class: None Alphabet Use: 16bit UCS2
SMSC TimeStamp: 19-09-04 13:24:13 GMT
User Data Part of SM User Data Length: 6 OCTETS, 3 UCS2 Chars (SHOULD BE 2) User Data: