General Charging and Accounting Principles for the Basic Telephone Service Provided over the ISDN or by Interconnection between the ISDN and the Public Switched Telephone Network
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | D.251 |
| Product Name | General Charging and Accounting Principles for the Basic Telephone Service Provided over the ISDN or by Interconnection between the ISDN and the Public Switched Telephone Network |