Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators - Part 7: Specification for apparatus with call barring facilities
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | BS 6789-7 |
| Product Name | Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators - Part 7: Specification for apparatus with ca... |