Communication terminal, control method of communication terminal, and control program of communication terminal
US7756106B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2004 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Apr 18, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication apparatus which performs IP communication and analog communication through an ADSL gateway obtains an IP address of a party station from an SIP proxy and transmits/receives communication data with the party station on an IP network based on a file transmission/reception protocol such as FTP or HTTP when a party station's telephone number corresponds to a VoIP network. The apparatus performs analog facsimile communication on a line switching network when the party station does not correspond to the VoIP network. Moreover, the apparatus performs the analog facsimile communication on the VoIP network or the line switching network when the party station corresponds to the VoIP network but does not have any digital communication means. Thus, in the apparatus corresponding to analog and network communication paths, it is possible to select an appropriate communication path and achieve high-speed and high-reliability communication without any complicated operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.