GMR-1 Channel Request (RACH)
    Class-1 informations
        .... ...0 = Priority: Normal Call (0)
        ..1. .... = Establishment Cause: Mobile Originated Call (0x01)
            ...0 001. = Numbering Plan Identification: ISDN E.164/E.163 (1)
        11.. .... = Retry Counter: 3
        111. .... = Precorrection Indication: No precorrection (7)
        ...1 1111 = Random Reference: 0x1f
    Class-2 informations
        0000 .... = MES Power Class: 0
        .... 1111 1001 1011 1001 1101 = SP/HPLMN ID: f9b9d (SP ID 7069)
        00.. .... = PD: Fixed to 00 for this version of the protocol (0)
        Dialed Number: 00989196xxxxxx
            ..00 0000 1001 .... = Group 1: 009
            .... 1101 1110 11.. = Group 2: 891
            .... ..11 110x xxxx = Group 3: 96x
            xxxx xxxx xx.. .... = Group 4: xxx
            ..xx xxxx xxxx x... = Group 5: xx (11xx)
        .... ...1 = GCI: MES is GPS capable (1)
        .... ..1. = R: 1
        .... .0.. = O: 0
        GPS Position
            1... .... = CPI: GPS position is current position (1)
            .001 1000 0000 0111 0011 .... = Latitude: 33.78961 N (98419)
            .... 0010 1111 1100 1011 1111 = Longitude: 67.21414 E (195775)
        .... .000 = Number Type: Unknown (0)