ocr: IDSE-B in Country B Alternative route 2 3rd choice 5 Direct route IDSE-D IDSE-O - I E - 1st choice CCITT- 11130 IDSE-A in Country A Alternative route 1 2nd choice Note 1 - Likely routing selection process: First choice - Direct route Second choice Alternative 1 via IDSE-A Third choice - Alternative 2 via IDSE-B. the call is not A similar routing algorithm may exist at intermediate IDSES and care should be taken to ensure that Note 2 - rouled using more than four links. FIGURE I-3/X.110 Alternative route
(.png)
