Private Integrated Services Network (PISN) - Specification, Functional Model and Information Flows - Call Offer Supplementary Service (COSD)
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ECMA 191 |
| Product Name | Private Integrated Services Network (PISN) - Specification, Functional Model and Information Flows - Call Offer Supplementary Service (COSD) |