Integrated Services Digital Network (ISDN); ISDN Packet Mode Bearer Services (PMBS); ISDN Virtual Call (VC) and Permanent Virtual Circuit (PVC) bearer services provided by the B-channel of the user access - basic and primary rate (Endorsed by AENOR in September of 2004.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300048 Ed2 |
