flow:
  - start|DEFAULT_ROUTE:
  - start|ROUTE_NET_INFO:
  - return|ROUTE_NET_INFO:
  - start|ROUTE_PRX_REQUEST:
  - start|ROUTE_INITVARS:
  - return|ROUTE_INITVARS:
  - start|ROUTE_INVITE:
  - start|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
  - start|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
  - return|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
  - return|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
  - start|ROUTE_FIND_CALLER:
  - start|ROUTE_CLEAR_PEER_IN_PREF:
  - return|ROUTE_CLEAR_PEER_IN_PREF:
  - start|ROUTE_LOAD_PEER_IN_PREF:
  - return|ROUTE_LOAD_PEER_IN_PREF:
  - return|ROUTE_FIND_CALLER:
  - start|ROUTE_GET_CALLER_CLI:
  - return|ROUTE_GET_CALLER_CLI:
  - start|ROUTE_GET_CALLER_CLI:
  - return|ROUTE_GET_CALLER_CLI:
  - start|ROUTE_GET_FORWARDER_CLI:
  - return|ROUTE_GET_FORWARDER_CLI:
  - start|ROUTE_FIND_CALLEE:
  - start|ROUTE_CLIR:
  - return|ROUTE_CLIR:
  - start|ROUTE_CLEAR_CALLEE_PREF:
  - return|ROUTE_CLEAR_CALLEE_PREF:
  - start|ROUTE_NCOS_CHECK:
  - start|ROUTE_NCOS:
  - return|ROUTE_NCOS:
  - start|ROUTE_NCOS:
  - return|ROUTE_NCOS:
  - start|ROUTE_NCOS:
  - return|ROUTE_NCOS:
  - start|ROUTE_NCOS:
  - return|ROUTE_NCOS:
  - return|ROUTE_NCOS_CHECK:
  - start|ROUTE_BLOCK_OUT:
  - return|ROUTE_BLOCK_OUT:
  - start|ROUTE_LOAD_CALLEE_PREF:
  - start|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
  - return|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
  - start|ROUTE_SET_CALLEE_DIALOG:
  - return|ROUTE_SET_CALLEE_DIALOG:
  - start|ROUTE_BLOCK_IN:
  - return|ROUTE_BLOCK_IN:
  - return|ROUTE_LOAD_CALLEE_PREF:
      $xavp(caller_peer_prefs[0]=>concurrent_max[*]): [1]
  - start|ROUTE_CHECK_PBX:
  - return|ROUTE_CHECK_PBX:
  - start|ROUTE_INVITE_TO_INT:
  - start|ROUTE_OUTBOUND:
  - start|ROUTE_SET_CALLER_DIALOG:
  - return|ROUTE_SET_CALLER_DIALOG:
  - start|ROUTE_ACC_CALLER:
  - return|ROUTE_ACC_CALLER:
  - start|ROUTE_ACC_CALLEE:
  - return|ROUTE_ACC_CALLEE:
  - start|BRANCH_ROUTE_SBC:
  - start|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
  - return|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
  - start|ROUTE_SET_CALLEE_DIALOG:
  - return|ROUTE_SET_CALLEE_DIALOG:
  - start|ROUTE_BRANCH_ACC_RTP:
  - return|ROUTE_BRANCH_ACC_RTP:
  - start|ROUTE_SET_RUSER:
  - return|ROUTE_SET_RUSER:
  - start|ROUTE_FILTER_PRACK:
  - return|ROUTE_FILTER_PRACK:
  - start|ROUTE_PREPARE_SST:
  - return|ROUTE_PREPARE_SST:
  - start|ROUTE_PREPARE_MOH:
  - return|ROUTE_PREPARE_MOH:
  - start|ROUTE_SET_CALLER_CLI:
  - start|ROUTE_PREPARE_CALLER_CLI:
  - return|ROUTE_PREPARE_CALLER_CLI:
  - start|ROUTE_PREPARE_CALLER_CLI:
  - return|ROUTE_PREPARE_CALLER_CLI:
  - start|ROUTE_PREPARE_CALLER_CLI:
  - return|ROUTE_PREPARE_CALLER_CLI:
  - start|ROUTE_PREPARE_CALLER_CLI:
  - return|ROUTE_PREPARE_CALLER_CLI:
  - start|ROUTE_PREPARE_CALLER_CLI:
  - return|ROUTE_PREPARE_CALLER_CLI:
  - return|ROUTE_SET_CALLER_CLI:
  - start|ROUTE_SET_CALLEE:
  - return|ROUTE_SET_CALLEE:
  - start|ROUTE_ADD_CALLINFO:
  - return|ROUTE_ADD_CALLINFO:
  - return|BRANCH_ROUTE_SBC:
  # branch ??
  - return|BRANCH_ROUTE_SBC:
  - exit|ROUTE_OUTBOUND:
sip_in:
  - '^INVITE sip:4311003@'
  - 'Contact: sip:004321001@'
  - 'CSeq: 1 INVITE'
  - 'Max-Forwards: 69'
  - 'Content-Type: application/sdp'
sip_out:
  - [
      '^SIP/2.0 100 Trying',
      'CSeq: 1 INVITE',
      'From: <sip:004321001@',
      'To: <sip:4311003@'
    ]
  - [
      '^INVITE sip:testuser1003@',
      'CSeq: 1 INVITE',
      'From: <sip:004321001@',
      'To: <sip:4311003@',
      'Contact: sip:004321001@',
      'Content-Type: application/sdp',
      'P-Caller-UUID: 0',
      'P-Callee-UUID: \w+',
      'P-Asserted-Identity: <sip:004321001@',
      'P-Called-Party-ID: <sip:testuser1003@',
      'P-App-Param: ;aleg_sst_enable=no;sst_enable=no',
      'P-App-Name: sbc'
    ]