flow: - start|DEFAULT_ROUTE: - start|ROUTE_ENTRY: - return|ROUTE_ENTRY: - start|ROUTE_NET_INFO: - return|ROUTE_NET_INFO: - start|ROUTE_CHECK_TEL_URI: - return|ROUTE_CHECK_TEL_URI: - start|ROUTE_PRX_REQUEST: - start|ROUTE_INITVARS: - return|ROUTE_INITVARS: - start|ROUTE_LOCAL: - return|ROUTE_LOCAL: sip_in: - 'ACK sip:testuser1001@10.20.29.2:51603 SIP/2.0' - 'From: ;tag=[\w-]+' - 'To: ' - 'CSeq: \d+ ACK' - 'Content-Length: 0' sip_out: []