Unpack error {'ESME_RINVTLVSTREAM' ..."Error in the optional part of the PDU Body"}

[walter-weinmann]

Example:

{"submit_sm_resp", "00 00 00 4D 80 00 00 04 00 00 00 00 41 5F 31 5A 74 68 69 73 5F 63 6F 75 6C 64 5F 62 65 5F 61 5F 6D 65 73 73 61 67 65 5F 69 64 00 00 1D 1F 6D 79 5F 61 64 64 69 74 69 6F 6E 61 6C 5F 73 74 61 74 75 73 5F 69 6E 66 6F 5F 74 65 78 74 00"}