T-Mobile USA proactive SMS

GSM A-I/F DTAP - CP-DATA
    Protocol Discriminator: SMS messages (9)
        .... 1001 = Protocol discriminator: SMS messages (0x9)
        0... .... = TI flag: allocated by sender
        .000 .... = TIO: 0
    DTAP Short Message Service Message Type: CP-DATA (0x01)
    CP-User Data
        Length: 42
        RPDU (not displayed)
GSM A-I/F RP - RP-DATA (MS to Network)
    Message Type RP-DATA (MS to Network)
    RP-Message Reference
        RP-Message Reference: 0x0e (14)
    RP-Originator Address
        Length: 0
    RP-Destination Address - (12063130004)
        Length: 7
        1... .... = Extension: No Extension
        .001 .... = Type of number: International Number (0x1)
        .... 0001 = Numbering plan identification: ISDN/Telephony Numbering (ITU-T Rec. E.164 / ITU-T Rec. E.163) (0x1)
        Called Party BCD Number: 12063130004
    RP-User Data
        Length: 30
        TPDU (not displayed)
GSM SMS TPDU (GSM 03.40) SMS-SUBMIT
    0... .... = TP-RP: TP Reply Path parameter is not set in this SMS SUBMIT/DELIVER
    .1.. .... = TP-UDHI: The beginning of the TP UD field contains a Header in addition to the short message
    ..0. .... = TP-SRR: A status report is not requested
    ...0 0... = TP-VPF: TP-VP field not present (0)
    .... .0.. = TP-RD: Instruct SC to accept duplicates
    .... ..01 = TP-MTI: SMS-SUBMIT (1)
    TP-MR: 14
    TP-Destination-Address - (122)
        Length: 3 address digits
        1... .... = Extension: No extension
        .000 .... = Type of number: Unknown (0)
        .... 0001 = Numbering plan: ISDN/telephone (E.164/E.163) (1)
        TP-DA Digits: 122
    TP-PID: 0
        00.. .... = Defines formatting for subsequent bits: 0x0
        ..0. .... = Telematic interworking: no telematic interworking, but SME-to-SME protocol
        ...0 0000 = The SM-AL protocol being used between the SME and the MS: 0
    TP-DCS: 4
        00.. .... = Coding Group Bits: General Data Coding indication (0)
        ..0. .... = Text: Not compressed
        ...0 .... = Message Class: Reserved, no message class
        .... 01.. = Character Set: 8 bit data (0x1)
        .... ..00 = Message Class: Class 0 (0x0)
    TP-User-Data-Length: (21) depends on Data-Coding-Scheme
    TP-User-Data
        User-Data Header
            User Data Header Length: 6
            IE: Application port addressing scheme, 16 bit address (SMS Control)
                Information Element Identifier: 0x05
                Length: 4
                Destination port: UDP/TCP port numbers assigned by IANA without the need to refer to 3GPP (1808)
                Originator port: UDP/TCP port numbers assigned by IANA without the need to refer to 3GPP (0)
        SMS body: 41637469766174653a64743d3135

Frame (81 bytes):
0000  54 ee 75 3a 81 a5 b4 2e 99 10 06 7c 08 00 45 00   T.u:.......|..E.
0010  00 43 34 bf 40 00 40 11 fe bd c0 a8 42 ec c0 a8   .C4.@.@.....B...
0020  42 f0 90 e6 12 79 00 2f ee 8c 02 04 01 00 c3 20   B....y./.......
0030  00 00 00 02 28 fa 07 00 00 00 0d 04 15 64 74 3d   ....(........dt=
0040  31 35 a4 c5 0f 72 95 75 db 03 6a aa 8f 06 71 18   15...r.u..j...q.
0050  19                                                .
Reassembled LAPDm (45 bytes):
0000  09 01 2a 00 0e 00 07 91 21 60 13 03 00 f4 1e 41   ..*.....!`.....A
0010  0e 03 81 21 f2 00 04 15 06 05 04 07 10 00 00 41   ...!...........A
0020  63 74 69 76 61 74 65 3a 64 74 3d 31 35            ctivate:dt=15