YDN040-1997 PDF English
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| YDN 040-1997 | English | RFQ | ASK | 3 days [Need to translate] | Test method for N-ISDN (Narrowband-Integrated Services Digital Network) and PSTN interface signaling |
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Basic data
| Standard ID | YDN 040-1997 (YDN040-1997) |
| Description (Translated English) | Test method for N-ISDN (Narrowband-Integrated Services Digital Network) and PSTN interface signaling |
| Sector / Industry | Telecommunication Industry Standard |
