China National Standards

China Gatekeeper Industry Standards English PDF List

  •  China "Gatekeeper" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    YD/T 1142-2005 Technical Requirements and Testing method for Ip Telephony Gatekeeper
    ip电话网守设备技术要求和测试方法    		 China Telecommunication Standards
    Gatekeeper
    English PDF

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