[S] Change in osmo-msc[master]: Indicate errior and release BSS connection when SMS transaction fails

Attention is currently required from: fixeria.

jolly has posted comments on this change by jolly. ( https://gerrit.osmocom.org/c/osmo-msc/+/38514?usp=email )

Change subject: Indicate errior and release BSS connection when SMS transaction fails ......................................................................

Patch Set 1:

(1 comment)

File src/libmsc/gsm_04_11.c:

https://gerrit.osmocom.org/c/osmo-msc/+/38514/comment/b419d83b_3f0b8b7c?usp=... : PS1, Line 1340: MSC_A_USE_CM_SERVICE_SMS

We need to be careful here. SMS can be sent (and received) during an ongoing voice/data call. […]

There must be a CM SERVICE REQUEST, but if the phone doesn't (false behaviour), BSC must not crash.