DWDM system with IP telephony provisioning at remote locations
US7286756B1 · kind B1 · utility
16Cited by
12References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2001 |
| Grant date | Oct 23, 2007 |
| Priority date | — |
| Expiry date | May 27, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/028
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for providing voice communications at an optical amplifier site of a DWDM system is disclosed. The method generally comprises receiving an optical service channel at the amplifier site and converting an optical signal of the optical service channel to a digital electrical signal at the amplifier site. The optical service channel carries voice data and has a wavelength that is out of band with respect to wavelength bands of a multiplexed payload channel of the DWDM system. The method further includes sending the digital electrical signal to a router configured to support voice over IP.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.