03 02 01 0a 02 43 0b 00 1d 39 01 1a 00 01 00 07 91 55 11 18 31 28 00 0e 31 20 04 81 21 43 00 00 ff 04 d4 f2 9c 0e 

03 02 01 0a 02 43 0b 00 9f 09 01 9c 00 da 00 07 91 88 96 13 00 00 99 90 11 7b 04 81 22 22 00 08 ff 86 6c 38 8c 50 92 80 88 4c 00 4d 00 4d 00 41 6a 19 67 03 74 06 8c a1 7d b2 00 20 00 20 51 68 74 03 99 96 52 75 7d b2 8d ef 6a 19 67 03 ff 0c 6a 19 67 03 96 f6 98 a8 96 aa ff 01 8b 93 60 a8 80 70 66 0e 51 32 84 c4 ff 0c 97 48 6d 3b 62 95 8c c7 ff 01 73 fe 57 28 52 a0 51 65 90 01 96 50 91 cf 59 27 80 6f 76 df 6d 0b 57 fa 96 8a 91 77 5e 63 53 61 ff 0c 8a cb 4e 0a 7d b2 64 1c 5c 0b 30 0c 6a 19 67 03 30 0d 

03 -
02 -
01 -
0a -
02 -
43 -
0b -
00 -
1d -
39 - TransactionID 3, SMS messages	:: gh->proto_discr
01 - CP-DATA				:: gh->msg_type
1a - Length: 26				:: gh->data[0]
00 - MTI 0 RP-DATA (ms-> n)
01 - MR 1
00 - RP-OA
07 - RP-DA (SMSC Length)
91 - International No, Numbering Plan
55 11 18 31 28 00 - 551181138200
0e - RP-UD len (14)

TPDU (14 byte):
31 - MTI(01), VPF(2:relative), MMS(0), SRI(1), UDHI(0), RP(0)
20 - Message Reference
04 - DA length
81 - Numbering Plan, National number
21 43 - DA 1234
00 - PID
00 - DCS
ff - Validity period
04 - User Data length (04)
d4 f2 9c 0e - gsm_default 7bit encoded "Test" (4 byte)