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Keith keith at rhizomatica.orgHi Osmocom Community. I'd like to extend the SMPP protocol alert notifications to be able to differentiate between IMSI_ATTACH, NORMAL and PERIODIC LURs The reason is to be able to react to an initial attach by sending a "Welcome" SMS. SMPP specifies only three status possibilities: 0 = Available 1 = Disabled 2 = Not Available (Detaching) I've added 3 for IMSI_ATTACH - Actually I ended up using != PERIODIC because not all phones send an ATTACH after a DETACH, some send NORMAL LUR. With this the ESME can respond to an alert notification that has status 3 by looking up the IMSI to see if it's known/autorised etc (this is outside of osmo-hlr in my use case, although I guess it could also be done by checking what the HLR says inside the MSC) Anyway.. I'm wondering if anybody else ever did this, and do we want/accept this functionality in master osmo-msc? Or.. any better ideas on how to do it? Thanks k/