China National Standards

China ISUP GB Standards English PDF List

GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "ISUP" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 28500-2012 Technical requirements of 900/1800MHz TDMA digital cellular mobile network signaling system NO.7 ISUP
    900/1800MHz TDMA 数字蜂窝移动通信网No.7 ISUP信令技术要求
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