neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-msc/+/25074 )
Change subject: add sequence_charts/call_reestablishment.msc ...................................................................... add sequence_charts/call_reestablishment.msc Change-Id: I6ebc3a0555ef82e1c027ca75b45f8147a3e07ee6 --- M doc/sequence_charts/Makefile.am A doc/sequence_charts/call_reestablishment.msc 2 files changed, 30 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/74/25074/1 diff --git a/doc/sequence_charts/Makefile.am b/doc/sequence_charts/Makefile.am index 6782f44..5efe855 100644 --- a/doc/sequence_charts/Makefile.am +++ b/doc/sequence_charts/Makefile.am @@ -7,6 +7,7 @@ inter_bsc_ho.msc \ inter_msc_ho.msc \ mncc_call_fsm.msc \ + call_reestablishment.msc \ $(NULL) CLEANFILES = \ @@ -21,6 +22,7 @@ $(builddir)/inter_bsc_ho.png \ $(builddir)/inter_msc_ho.png \ $(builddir)/voice_call_full.png \ + $(builddir)/call_reestablishment.png \ $(NULL) dot: \ diff --git a/doc/sequence_charts/call_reestablishment.msc b/doc/sequence_charts/call_reestablishment.msc new file mode 100644 index 0000000..3c9aea6 --- /dev/null +++ b/doc/sequence_charts/call_reestablishment.msc @@ -0,0 +1,28 @@ +msc { + hscale="2"; + ms[label="MS"],cell1[label="Cell 1 (BTS+BSC)"],cell0[label="Cell 0 (BTS+BSC)"],__msc[label="MSC"]; + + ms note __msc [label="MM is established\n(e.g. ongoing voice call)"]; + + ...; + + ms -x cell0 [label="radio link fails"]; + ms x- cell0; + + __msc abox __msc [label="Keep MM until timeout"]; + + ms => cell1 [label="Channel Required"]; + ms <= cell1 [label="Immediate Assignment"]; + ms => cell1 [label="Complete Layer3"]; + cell1 => __msc [label="Complete Layer3:\nCM Re-Establishment Request"]; + + cell0 <= __msc [label="Clear Command"]; + cell0 => __msc [label="Clear Complete"]; + + cell1 <= __msc [label="Cipher Mode Commad"]; + cell1 <= __msc [label="Cipher Mode Commad\n(with the encryption from CM Re-establishment request?)"]; + cell1 => __msc [label="Cipher Mode Complete"]; + + cell1 <= __msc [label="Assignment Request\nthis Assignment ACKs the CM Re-Establishment"]; + cell1 => __msc [label="Assignment Complete"]; +} -- To view, visit https://gerrit.osmocom.org/c/osmo-msc/+/25074 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-msc Gerrit-Branch: master Gerrit-Change-Id: I6ebc3a0555ef82e1c027ca75b45f8147a3e07ee6 Gerrit-Change-Number: 25074 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofm...@sysmocom.de> Gerrit-MessageType: newchange