Method for dialing between internet extensions
US8279855B2 · kind B2 · utility
1Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2009 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Mar 26, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1069
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for dialing between Internet extensions is disclosed. When dialing between Internet extensions, just dial the switchboard phone number of SIP proxy server plus “-” and then dial the extension phone number of the opposite Internet extension directly. It is not necessary to use a voice guidance for asking dialing of the extension phone number of the opposite Internet extension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.