 |
| |||
| Least Cost Routing (A process that performs reverse number lookup on one-number calls and then routes the call over an IP connection to the public switched telephone network (PSTN) gateway that is nearest to the location of the destination phone number) | |||
| |||
| instradamento a costi minimi | |||
| 英语 词库 | |||
| |||
| LCR (alex-l1904) | |||
