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/2.0 487 Request terminated'
  - 'From: <sip:4311002@spce.test>;tag=[\w-]+'
  - 'To: <sip:1003@spce.test>;tag=[\w-]+'
  - 'CSeq: \d+ INVITE'
  - 'Content-Length: 0'
sip_out:
  - [
      'ACK sip:439333333@127.2.0.2:\d+ SIP/2.0',
      'From: <sip:4311002@spce.test>;tag=[\w-]+',
      'To: <sip:1003@spce.test>;tag=[\w-]+',
      'CSeq: \d+ ACK',
      'Content-Length: 0',
    ]