YD/T 1234-2002 The technical specification of 900/1800MHz TDMA digital cellular mobile telecommunications system equipment Service Control Point(SCP)(CAMEL2) (English Version)
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YD/T 1234-2002
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2002YD/T 1234-2002 The technical specification of 900/1800MHz TDMA digital cellular mobile telecommunications system equipment Service Control Point(SCP)(CAMEL2)