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Series Q Recommendations - Switching and Signalling

Software for Q - Series Recommendations
Series Q Recommendations : Q.1 to Q.499
Series Q Recommendations : Q.500 to Q.999
Series Q Recommendations : Q.1000 and up
Lista de Recomendaciones UIT-T Serie-Q vigentes

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Ultimo cambio realizado el viernes: Thu Mar 25 00:33:12 1999