flow: - start|DEFAULT_ONREPLY: - start|REPLY_ROUTE_NAT: - start|ROUTE_ENTRY: - return|ROUTE_ENTRY: - start|ROUTE_APPLY_HEADER_RULES: - return|ROUTE_APPLY_HEADER_RULES: - start|ROUTE_PREPARE_UA: - return|ROUTE_PREPARE_UA: - start|REPLY_ROUTE_NAT_CONTINUE: - start|ROUTE_EXIT: - start|ROUTE_RUNTIME: - return|ROUTE_RUNTIME: - exit|ROUTE_EXIT: sip_in: - 'SIP/2.0 180 Ringing' - 'From: ;tag=[\w-]+' - 'To: ;tag=[\w-]+' - 'CSeq: \d+ INVITE' - 'Allow: INVITE, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, PUBLISH, UPDATE, MESSAGE' - 'Call-Info: ;appearance-index=1' - 'Contact: ' - 'Content-Length: 0' sip_out: - [ 'SIP/2.0 180 Ringing', 'From: ;tag=[\w-]+', 'To: ;tag=[\w-]+', 'CSeq: \d+ INVITE', 'Allow: INVITE, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, PUBLISH, UPDATE, MESSAGE', 'Call-Info: ;appearance-index=1', 'Contact: ', 'Content-Length: 0', 'P-Out-Socket: udp:[% server_ip %]:5060', ]