| digraph G { |
| rankdir=TB |
| labelloc=t; label="lchan RTP FSM" |
| |
| lchan [label="lchan\nFSM",shape=box3d] |
| lchan2 [label="lchan\nFSM",shape=box3d] |
| ho_as [label="Handover or Assignment FSM",shape=box3d] |
| invisible [style=invisible] |
| ho [label="Handover FSM",shape=box3d] |
| mgwep [label="mgw endpoint\nFSM",shape=box3d] |
| start [label="lchan_rtp_fsm_start()",shape=box] |
| WAIT_READY_TO_SWITCH_RTP [label="WAIT_READY_TO_SWITCH_RTP\nonly if wait_before_switching_rtp"] |
| terminate [shape=octagon] |
| |
| lchan -> start [style=dashed] |
| start -> WAIT_MGW_ENDPOINT_AVAILABLE |
| start -> WAIT_LCHAN_READY [label="re-use existing\nendpoint CI"] |
| |
| WAIT_MGW_ENDPOINT_AVAILABLE -> mgwep [label="gscon_ensure_mgw_endpoint()\nand CRCX to-BTS",style=dashed] |
| mgwep -> WAIT_MGW_ENDPOINT_AVAILABLE [label="LCHAN_RTP_EV_\nMGW_ENDPOINT_\n{AVAILABLE,ERROR}",style=dashed] |
| WAIT_MGW_ENDPOINT_AVAILABLE -> WAIT_LCHAN_READY |
| |
| lchan -> WAIT_LCHAN_READY [label="LCHAN_RTP_EV_LCHAN_READY",style=dashed] |
| WAIT_LCHAN_READY -> WAIT_IPACC_CRCX_ACK [label="IPACC BTS"] |
| WAIT_LCHAN_READY -> WAIT_READY_TO_SWITCH_RTP |
| WAIT_IPACC_CRCX_ACK -> WAIT_IPACC_MDCX_ACK |
| WAIT_IPACC_MDCX_ACK -> WAIT_READY_TO_SWITCH_RTP |
| invisible -> ho [label="HO DETECT",style=dashed] |
| ho -> WAIT_READY_TO_SWITCH_RTP [label="LCHAN_RTP_EV_READY_TO_SWITCH",style=dashed] |
| WAIT_READY_TO_SWITCH_RTP -> WAIT_MGW_ENDPOINT_CONFIGURED |
| WAIT_MGW_ENDPOINT_CONFIGURED -> mgwep [label="MDCX",style=dashed] |
| mgwep -> WAIT_MGW_ENDPOINT_CONFIGURED [label="LCHAN_RTP_EV_\nMGW_ENDPOINT_\nCONFIGURED",style=dashed] |
| WAIT_MGW_ENDPOINT_CONFIGURED -> RTP_READY |
| RTP_READY -> lchan2 [label="LCHAN_EV_\nRTP_READY",style=dashed] |
| RTP_READY -> RTP_ESTABLISHED |
| lchan2 -> RTP_ESTABLISHED [label="LCHAN_RTP_EV_\nRELEASE",style=dashed] |
| RTP_ESTABLISHED -> terminate |
| RTP_READY -> RTP_ROLLBACK |
| RTP_ROLLBACK -> terminate |
| terminate -> lchan2 [label="LCHAN_EV_\nRTP_RELEASED",style=dashed] |
| |
| lchan2 -> ho_as [label="XX_EV_LCHAN_\nESTABLISHED",style=dashed] |
| ho_as -> RTP_READY [label="LCHAN_RTP_EV_\n{ESTABLISHED,\nROLLBACK}",style=dashed] |
| } |