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Neels Hofmeyr nhofmeyr at sysmocom.deOn Mon, Feb 27, 2017 at 10:47:43AM +0100, Tobias Engel wrote: > On 13.02.17 08:13, Jacob Erlbeck wrote: > > On 02/09/2017 02:53 PM, Neels Hofmeyr wrote: > >> > >> What should we do if the HLR sends no Insert Data? > > > > I did not find much in 29.002 that tells otherwise. There is only figure > > 19.1.1/3 which states that the insert messages are not optional by not > > using italics. The automatons in 19.1.1/6 and 19.1.1/13 do not impose > > such a restriction. > > By the way: Both updateLocation and updateGprsLocation have a > skipSubscriberDataUpdate flag, which tells the HLR to skip the > insertSubscriberData procedure. > > From 29.002 8.1.2.3: > > Skip Subscriber Data Update > The presence of the parameter is optional and if present it indicates > that subscriber data download during the updateGprsLocation procedure > may be skipped by the HLR e.g. because the service is solely used to > inform the HLR about change of IMEISV. The parameter is used to optimise > signalling load during Location Update procedure. Interesting, thanks! It seems the VLR should have an intention of whether it wants to receive subscriber data or not. I guess for now our VLR's intention is to always receive subscriber data, i.e. so far we can reject LU if missing. ~N -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20170227/fb3ef89f/attachment.bin>