Hello, I am using wireshark Version 1.10.1 (SVN Rev 50926 from /trunk-1.10). I used wireshark to capture SGsAP-MM-INFORMATION-REQUEST message with following values: MM information IE length 5, Protocol discriminator 8, MM Information message type 49, Network Daylight Saving Time 2. But wireshark displayed it as an extraneous data, though by looking at the hex values, IE seems to be in correct order with proper value. I have uploaded capture file, you can get it here: http://goo.gl/LLghjo. Please help in solving the issue. Thanks, Rahul Kumar Bhadani, LTE Software Engineer asked 02 Sep '13, 22:12  Rahul Salvat... |
One Answer:
Hi, the encoding of the MM Information element is incorrect. According to 3GPP 29.118 chapter 9.4.12 and 29.018 chapter 18.4.16: "This field is composed of one or more of the information elements of the MM information message as defined in 3GPP TS 24.008 [11], excluding the Protocol discriminator, Skip indicator and Message type. This field includes the IEI and length indicator of the other information elements". So the IE should be coded instead as: 17 02 49 02 answered 02 Sep '13, 23:16  Pascal Quantin |
Thanks Pascal.