Private Integrated Services Network (PISN)
- Specification, Functional Model and Information Flows - Single
Step Call Transfer Supplementary Service (SSCT-SD)
2nd edition (December 2001)
The latest edition of this Ecma Standard is available here.
You can download the previous replaced "historical" edition of this Ecma Standard, free of charge:
|ECMA-299 1st edition
||Acrobat (r) PDF file