Requirements for PABXs access to public telephone switching network

YD/T 344-1990 Requirements for PABXs access to public telephone switching network
Standard No.:	YD/T 344-1990	Status:	VALID remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	19000 words	Translation Price:	570 (USD) remind me the price change Email:
Implemented on:	1990-08-01	Delivery:	via email in 1-5 business day
Purchase steps: 1 - Add shopping cart → 2 - My shopping cart → 3 - Login → 4 - Invoice information → 5 - Checkout

Standard No.:	YD/T 344-1990
Chinese Name:	自动用户交换机进网要求
English Name:	Requirements for PABXs access to public telephone switching network
Professional Classification:	M11 Communication network technical system
Professional Classification:	YD Professional Standard - Telecommunication
Issued by:
Issued on:	1990-05-10
Implemented on:	1990-08-01
Status:	VALID
Target Language:	English
File Format:	PDF
Word Count:	19000 words
Translation Price:	570 (USD)
Delivery:	via email in 1-5 business day

YD/T 344-1990 The following standards are cited：

YD/T 344-1990 Cited by the following standards：