Private Integrated Services Network (PISN) - Specification, Functional Model and Information Flows - Call Intrusion Supplementary Service (CISD)
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ECMA 202 |
| Product Name | Private Integrated Services Network (PISN) - Specification, Functional Model and Information Flows - Call Intrusion Supplementary Service (CISD) |