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:[% extra_info.phone_numbers.4 %]@'
  - 'From: <sip:[% scenarios.1.username %]@'
  - 'To: <sip:[% extra_info.phone_numbers.4 %]@'
  - 'CSeq: 2 ACK'
  - 'Max-Forwards: 69'
  - 'Content-Length:\s+0'
sip_out: []
