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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_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 -> WAIT_IPACC_MDCX_ACK [label="IPACC BTS"]
WAIT_MGW_ENDPOINT_CONFIGURED -> RTP_READY
WAIT_IPACC_MDCX_ACK -> 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]
}
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