Guiding Principles for Telephone Announcements - Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors - Operation, Numbering, Routing and Mobile Services - International Operation - Tones in National Signalling Systems
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | E.183 |
| Product Name | Guiding Principles for Telephone Announcements - Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors - Operation, Numbering, Routing and Mobile Services - In... |
