Could it be related to the length of message? With 132 character of ussd String, the length of SCTP: 28 bytes + M3UA : 272 bytes = 300 bytes . But as i remmember, the long message of Dialogic is 320 bytes, still 300 bytes. I also change the number of byte in getm function from 320 bytes to 500 bytes but got the same result
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