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wirehark can’t recognize GSM-MAP command SearchForMS

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Dear All, I would like to ask about GSM MAP command like "SearchForMS, "SetCipheringMode", "Paging", "ForwardNewTMSI","ObtainIMEI", why it's so difficult to find a complete reference, even in 3gpp 29.002 document or ETSI, and why wireshark can't recognize all the commands??

Thank you,

asked 10 Jan '14, 17:28

andry%20sunandar's gravatar image

andry sunandar
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edited 10 Jan '14, 18:04

Possibly because it's some proprietary extensions (or not GSM MAP)and not part of the standard? Do you have an example trace? which operation codes do you Think belongs to those messages?

(12 Jan '14, 10:24) Anders ♦

yes it's a GSM-MAP Command based on 3GPP TS 29.002 V12.1.0 (2013-06) Technical Specification (Release 12) page 129 and page 318 for list of operation codes for all GSM-MAP commands, and SearchForMS, SetCipheringMode, Paging, ForwardNewTMS, ObtainIMEI is doesn't have any operation code number and application context number.

Thank you,

(14 Jan '14, 19:59) andry sunandar