General Charging and Accounting Principles for Supplementary Services Associated with International Telecommunication Services Provided over the Integrated Services Digital Network (ISDN) - Charging and Accounting in International Telecommunication Services (Study
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | D.230 |
| Product Name | General Charging and Accounting Principles for Supplementary Services Associated with International Telecommunication Services Provided over the Integrated Services Digital Network (ISDN) - Chargin... |