Standard ECMA-211
Private Integrated Services Network (PISN)
- Specification, Functional Model and Information Flows - Advice
of Charge Supplementary Services (AOCSD)
3rd edition (December 2001)
The latest edition of this Ecma Standard is available here.
You can download the previous replaced "historical" editions of this Ecma Standard, free of charge:
| File name |
Content |
| ECMA-211 1st edition |
Acrobat (r) PDF file |
| ECMA-211 2nd edition |
Acrobat (r) PDF file |
Back