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lynxis lazus has posted comments on this change by lynxis lazus. ( https://gerrit.osmocom.org/c/libosmocore/+/39557?usp=email )

Change subject: gprs: define OSMO_RESERVED_RAC 0xff ......................................................................

Patch Set 1:

(1 comment)

File include/osmocom/gsm/protocol/gsm_04_08_gprs.h:

https://gerrit.osmocom.org/c/libosmocore/+/39557/comment/04069be3_b1ef0c11?u... : PS1, Line 14: #define OSMO_RESERVED_RAC 0xff

I didn't get what you mean sorry, do hou mind rephrasing?

Somehow I send it away in the middle of the sentence..

Because it is more an implicit definition. So far I understand, the 0xff is invalid for a RAC as cell id to be transmitted over the air. But a UE will save the RAC 0xff on the simcard if it doensn't has a valid RAC (e.g. no PS services).