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author | Neels Hofmeyr <neels@hofmeyr.de> | 2018-11-27 17:14:47 +0100 |
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committer | Neels Hofmeyr <neels@hofmeyr.de> | 2018-11-27 17:32:17 +0100 |
commit | 5c55d4933d35055fd3469d5971ad5bc86741bcda (patch) | |
tree | cf1e35bc434bc7d7d28f0933950c7eee1b1a0ce9 /doc/manuals/mgw/osmo-bsc-new-mgw-e1.msc | |
parent | 369fba25deb479dcac0e90ae7ce8af69f1b869bc (diff) | |
parent | 27683cbe1305c1c2e4c49a1a9333167aa6e30c3c (diff) |
Merge history from osmo-gsm-manuals.git
Change-Id: I9ff481784ba8c6334b1e57b1f64dfc9262e6d0e2
Diffstat (limited to 'doc/manuals/mgw/osmo-bsc-new-mgw-e1.msc')
-rw-r--r-- | doc/manuals/mgw/osmo-bsc-new-mgw-e1.msc | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/doc/manuals/mgw/osmo-bsc-new-mgw-e1.msc b/doc/manuals/mgw/osmo-bsc-new-mgw-e1.msc new file mode 100644 index 000000000..04b114fff --- /dev/null +++ b/doc/manuals/mgw/osmo-bsc-new-mgw-e1.msc @@ -0,0 +1,50 @@ +# MO-Call with E1 BTS + OsmoBSC with true 3GPP AoIP (planned +# osmo-bsc_mgcp has to be extended to true MGW functionality! +msc { + hscale=2; + ms [label="MS"], bts [label="E1 BTS"], bsc[label="OsmoBSC"], mgcp[label="osmo-bsc_mgcp"], m_sc[label="MSC"]; + + ms box m_sc [label="We assume a SDCCH is already established"]; + ...; + + ms -> m_sc [label="DTAP CC SETUP"]; + ms <- m_sc [label="DTAP CC CALL PROCEEDING"]; + + m_sc box m_sc [label="Bind arbitrary local port (4000)"]; + bsc <- m_sc [label="BSSAP ASSGN REQ (3GPP AoIP MSC:4000)"]; + bts <- bsc [label="RSL CHAN ACT"]; + bts -> bsc [label="RSL CHAN ACT ACK"]; + ms <-> bsc [label="Assignment"]; + ...; + + mgcp <- bsc [label="MGCP CRCX ts1/ss2@mgw (MSC:4000)"]; + mgcp box mgcp [label="Bind to MGW-local RTP Port (3000)\nConnect to MSC:4000"]; + mgcp -> bsc [label="MGCP CRCX ts1/ss2@mgw OK (MGW:3000)"]; + ...; + + bsc -> m_sc [label="BSSAP ASSGN CMPL (3GPP AoIP MGW:3000)"]; + m_sc box m_sc [label="Connect remote RTP to MGW addr from ASSGN CMPL"]; + ...; + + mgcp <=> m_sc [label="RTP Audio MGW:3000 MSC:4000"]; + bts <=> mgcp [label="TRAU Frame Audio (E1 TS1 SS2)"]; + ms <=> bts [label="Um Audio (bidirectional)"]; + ms <-> m_sc [label="DTAP CC ALERTING"]; + ...; + + ms <- m_sc [label="DTAP CC CONNECT"]; + ms -> m_sc [label="DTAP CC CONNECT ACK"]; + --- [label="Voice Call in Progress"]; + ms <- m_sc [label="DTAP CC DISCONNET"]; + ms <- m_sc [label="DTAP CC RELEASE"]; + ms <- m_sc [label="DTAP CC RELEASE COMPL"]; + ...; + bsc <- m_sc [label="BSSMAP CLEAR CMD"]; + bsc -> m_sc [label="BSSMAP CLEAR COMPL"]; + bsc <- m_sc [label="SCCP RLSD"]; + bsc -> m_sc [label="SCCP RLC"]; + ...; + mgcp <- bsc [label="MGCP DLCX ts1/ss2@mgw"]; + mgcp box mgcp [label="Release MSC-facing local RTP port (3000)"]; + mgcp -> bsc [label="MGCP DLCX ts1/ss2@mgw OK"]; +} |