Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 1 | msc { |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 2 | hscale=3; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 3 | msc1[label="osmo-msc"], mncc1[label="MNCC FSM\n(osmo-msc mncc_call.c)"], sipcon1[label="osmo-sip-connector"], sip[label="PBX"], sipcon2[label="osmo-sip-connector"], mncc2[label="MNCC FSM\n(osmo-msc mncc_call.c)"], msc2[label="osmo-msc"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 4 | |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 5 | msc1 note sipcon1 [label="MO call"]; |
| 6 | sipcon2 note msc2 [label="MT call"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 7 | |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 8 | mncc1 abox mncc1 [label="MNCC_CALL_ST_NOT_STARTED"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 9 | msc1 rbox msc1 [label="mncc_outgoing_start()"]; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 10 | msc1 -> mncc1 [label="MNCC_CALL_EV_OUTGOING_START"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 11 | |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 12 | mncc1 abox mncc1 [label="MNCC_CALL_ST_OUTGOING_WAIT_PROCEEDING"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 13 | mncc1 => sipcon1 [label="MNCC_SETUP_IND |
| 14 | \n callref, IMSI, called and calling number, SDP"]; |
| 15 | sipcon1 => sip [label="SIP INVITE |
| 16 | \n from, to, SDP"]; |
| 17 | sipcon1 <= sip [label="SIP 100 Trying"]; |
| 18 | mncc1 <= sipcon1 [label="MNCC_RTP_CREATE |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 19 | \n callref"]; |
| 20 | mncc1 rbox mncc1 [label="mncc_rx_rtp_create()"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 21 | mncc1 => sipcon1 [label="MNCC_RTP_CREATE |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 22 | \n callref, RTP IP address and port"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 23 | mncc1 <= sipcon1 [label="MNCC_CALL_PROC_REQ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 24 | \n callref, RTP IP address and port"]; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 25 | mncc1 abox mncc1 [label="MNCC_CALL_ST_OUTGOING_WAIT_COMPLETE"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 26 | |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 27 | sip => sipcon2 [label="SIP INVITE |
| 28 | \n from, to, SDP"]; |
| 29 | sipcon2 => sip [label="SIP 100 Trying"]; |
| 30 | msc2 <= sipcon2 [label="MNCC_SETUP_REQ |
| 31 | \n callref, called and calling number |
| 32 | \n SDP"]; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 33 | mncc2 abox mncc2 [label="MNCC_CALL_ST_NOT_STARTED"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 34 | msc2 rbox msc2 [label="mncc_incoming_start()"]; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 35 | msc2 -> mncc2 [label="MNCC_CALL_EV_INCOMING_START"]; |
| 36 | mncc2 abox mncc2 [label="MNCC_CALL_ST_INCOMING_WAIT_COMPLETE"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 37 | mncc2 => sipcon2 [label="MNCC_CALL_CONF_IND |
| 38 | \n callref, bearer capabilities, cccap and IMSI, SDP?"]; |
| 39 | mncc2 <= sipcon2 [label="MNCC_RTP_CREATE |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 40 | \n callref"]; |
| 41 | mncc2 rbox mncc2 [label="mncc_rx_rtp_create()"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 42 | mncc2 => sipcon2 [label="MNCC_RTP_CREATE |
| 43 | \n callref, RTP IP address and port, SDP?"]; |
| 44 | mncc2 => sipcon2 [label="MNCC_ALERT_IND |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 45 | \n callref"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 46 | sipcon2 => sip [label="SIP 180 Ringing |
| 47 | \n SDP"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 48 | |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 49 | sipcon1 <= sip [label="SIP 180 Ringing |
| 50 | \n SDP"]; |
| 51 | mncc1 <= sipcon1 [label="MNCC_ALERT_REQ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 52 | \n callref and progress"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 53 | sipcon1 => sip [label="SIP PRACK 180 Ringing"]; |
| 54 | sipcon1 <= sip [label="SIP PRACK 200"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 55 | |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 56 | mncc1 <= sipcon1 [label="MNCC_RTP_CONNECT |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 57 | \n callref, RTP IP and port"]; |
| 58 | mncc1 rbox mncc1 [label="mncc_rx_rtp_connect()"]; |
| 59 | msc1 <- mncc1 [label="rtp_stream_set_remote_addr()"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 60 | |
| 61 | mncc2 => sipcon2 [label="MNCC_SETUP_CNF |
| 62 | \n callref, imsi and connected number, SDP?"]; |
| 63 | sipcon2 => sip [label="SIP 200 OK |
| 64 | \n SDP"]; |
| 65 | mncc2 <= sipcon2 [label="MNCC_RTP_CONNECT |
| 66 | \n callref, RTP IP and port"]; |
| 67 | mncc2 rbox mncc2 [label="mncc_rx_rtp_connect()"]; |
| 68 | mncc2 <= sipcon2 [label="MNCC_SETUP_COMPL_REQ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 69 | \n callref"]; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 70 | mncc2 abox mncc2 [label="MNCC_CALL_ST_TALKING"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 71 | |
| 72 | sipcon1 <= sip [label="SIP 200 OK INVITE"]; |
| 73 | mncc1 <= sipcon1 [label="MNCC_SETUP_RSP |
| 74 | \n callref"]; |
| 75 | mncc1 => sipcon1 [label="MNCC_SETUP_COMPL_IND |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 76 | \n callref"]; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 77 | mncc1 abox mncc1 [label="MNCC_CALL_ST_TALKING"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 78 | sipcon1 => sip [label="SIP ACK"]; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 79 | |
| 80 | ...; |
| 81 | ... [label="Call goes on for a while..."]; |
| 82 | ...; |
| 83 | |
| 84 | mncc1 rbox mncc1 [label="mncc_release()"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 85 | mncc1 => sipcon1 [label="MNCC_DISC_IND |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 86 | \n callref and cause"]; |
Neels Hofmeyr | 7ea0db8 | 2019-08-05 23:08:38 +0200 | [diff] [blame] | 87 | mncc1 abox mncc1 [label="MNCC_CALL_ST_WAIT_RELEASE_ACK"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 88 | sipcon1 => sip [label="SIP BYE"]; |
| 89 | sipcon1 <= sip [label="SIP 200 OK"]; |
| 90 | mncc1 <= sipcon1 [label="MNCC_REL_REQ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 91 | \n callref and cause"]; |
| 92 | |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 93 | sip => sipcon2 [label="SIP BYE"]; |
| 94 | sip <= sipcon2 [label="SIP 200 OK"]; |
| 95 | mncc2 <= sipcon2 [label="MNCC_DISC_REQ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 96 | \n callref and cause"]; |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 97 | mncc2 => sipcon2 [label="MNCC_REL_IND |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 98 | \n callref and cause"]; |
| 99 | mncc2 abox mncc2 [label="terminated"]; |
| 100 | |
Neels Hofmeyr | 62c0a2a | 2019-08-05 23:02:21 +0200 | [diff] [blame] | 101 | mncc1 => sipcon1 [label="MNCC_REL_CNF |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 102 | \n callref"]; |
| 103 | mncc1 abox mncc1 [label="terminated"]; |
| 104 | } |