A method of and system for routing switched termination telephone calls in accordance with international routing requirements and with consideration of available network capacity. A call is received at a switch of an international carrier. The switch sends a query identifying the first country as the country of origin for the call and the second country as the country of termination for the call to a service control point of the international carrier. The service control point determines from the query that the call is an international call and sends a request for a routing translation to a regulatory routing platform of the international carrier. The regulatory routing platform determines an optimal route for the call in accordance with international regulatory routing requirements.