email to Steven got bounced, probably he moved on to new horizons. for those who would find it: I now feel this field is for sending in a raw BER-encoded data that would be transparently passed down to next layer. So 0x8700 means [tag][value] tag: class = 2 = "context dependent" type = 0 = "simple" tag = 7 = mnpRequestedInfo [7] see all of them below: RequestedInfo ::= SEQUENCE { locationInformation [0] NULL OPTIONAL, subscriberState [1] NULL OPTIONAL, extensionContainer [2] ExtensionContainer OPTIONAL, ..., currentLocation [3] NULL OPTIONAL, requestedDomain [4] DomainType OPTIONAL, imei NULL OPTIONAL, ms-classmark [5] NULL OPTIONAL, mnpRequestedInfo [7] NULL OPTIONAL, locationInformationEPS-Supported [11] NULL OPTIONAL, t-adsData NULL OPTIONAL, requestedNodes [9] RequestedNodes OPTIONAL, servingNodeIndication [10] NULL OPTIONAL, localTimeZoneRequest [12] NULL OPTIONAL } took this ASN here: github.com/.../MAP-MS-DataTypes.asn
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