Relaying of message waiting indications to support distributed telephony networks
US7640326B2 · kind B2 · utility
1Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2002 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Apr 25, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2207/203
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a telephony system have management of telephony devices distributed among multiple call management devices, the call management devices use call redirection and relaying of message waiting indications to provide voicemail services to the telephony devices using a centralized voicemail server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.