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Operational Bulletin No.887 (1.VII.2007) and Lists annexed: List of International Signalling Point Codes (ISPC) for signalling system No. 7 (According to ITU-T Recommendation Q.708 (03/99))

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 Operational Bulletin No.887 (1.VII.2007) and Lists annexed: List of International Signalling Point Codes (ISPC) for signalling system No. 7 (According to ITU-T Recommendation Q.708 (03/99))

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