Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Do Not Disturb and Do Not Disturb Override Supplementary Services
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ECMA 194 |
| Product Name | Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Do Not Disturb and Do Not Disturb Override Supplementary Services |