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authorNeels Hofmeyr <neels@hofmeyr.de>2021-07-27 23:30:48 +0200
committerNeels Hofmeyr <neels@hofmeyr.de>2021-07-28 18:37:48 +0200
commit0c076bc75a64c0d6db22171ae42673b1e3cbd346 (patch)
treeb9faa59ac451df389b0e760d9339615d31bc07a0
parente53ecde83e4fb2470209e818e9ad76a2d6a19190 (diff)
add sequence_charts/call_reestablishment.msc
-rw-r--r--doc/sequence_charts/Makefile.am2
-rw-r--r--doc/sequence_charts/call_reestablishment.msc33
2 files changed, 35 insertions, 0 deletions
diff --git a/doc/sequence_charts/Makefile.am b/doc/sequence_charts/Makefile.am
index 6782f44e7..5efe8558b 100644
--- a/doc/sequence_charts/Makefile.am
+++ b/doc/sequence_charts/Makefile.am
@@ -7,6 +7,7 @@ EXTRA_DIST = \
inter_bsc_ho.msc \
inter_msc_ho.msc \
mncc_call_fsm.msc \
+ call_reestablishment.msc \
$(NULL)
CLEANFILES = \
@@ -21,6 +22,7 @@ msc: \
$(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 000000000..b4d081ca2
--- /dev/null
+++ b/doc/sequence_charts/call_reestablishment.msc
@@ -0,0 +1,33 @@
+msc {
+ hscale="2";
+ ms[label="MS"],cell1[label="Cell 1 (BTS+BSC)"],cell0[label="Cell 0 (BTS+BSC)"],__msc[label="MSC"];
+
+ ms rbox __msc [label="Call Re-Establishment"];
+ ms note __msc [label="Ongoing voice call: MM is established"];
+
+ ...;
+
+ 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="Authentication Request"];
+ cell1 => __msc [label="Authentication Response"];
+
+ cell1 <= __msc [label="Cipher Mode Commad"];
+ cell1 => __msc [label="Cipher Mode Complete"];
+
+ cell1 <= __msc [label="Assignment Request\nthis Assignment ACKs the CM Re-Establishment"];
+ ms <= cell1 [label="RR Assignment Command"];
+ ms => cell1 [label="RR Assignment Complete"];
+ cell1 => __msc [label="Assignment Complete"];
+}