Cisco Press
Taking charge of your VoIP project
Taking charge of your VoIP project
Quite a while ago it was discovered that sending signals over great distances was much easier and cost-effective if done in a digital fashion: first the data would be digitized with an ADC (analog to digital converter) then transformed back to analog at the destination using a DAC (digital to analogue converter), making telephony a bit more reliable.
| Book Title: |
| Book Title: | Deploying Cisco Voice over IP Solutions |
| Author: | Jonathan Davidson (Editor), Tina Fox, Phil Bailey (Editor), Rommel Bajamundi, Wayne Cheung, |
| Publication: | Cisco Press December 2001 |
| ISBN: | 1587050307 |
CIM Voice Internetworking
| Book Title: | CIM Voice Internetworking, VoIP Quality of Service |
| Author: | Cisco Systems |
| Publication: | Cisco Press December 2001 |
| ISBN: | 1587200503 |
