POTS extender for voice fallback in a subscriber line
US8233472B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2007 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | Apr 30, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M19/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A full services access multiplexer is described. A master DSL modem is coupled to a conductor pair. A POTS extender is coupled to the conductor pair and may sense the operation of a fallback or other signal on the conductor pair. A suppression signal may be transmitted to the master DSL modem upon occurrence of the fallback. The suppression signal may travel over a control circuit. Traffic over a backplane or other network segment may be uninterrupted to an Integrated Access Device by handling signals inbound and outbound to the backplane via packet assembler and disassembler (PAD). The PAD may transmit a data stream to vocoder and received a data stream from vocoder for injection onto the backplane. The vocoder connects duplexed traffic to the subscriber line interface circuit (SLIC), wherein traffic between the vocoder and the SLIC are in analog formats in or near the audible range of frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.