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US 2006/0187898 A1Published application
VoIP terminal capable of having conversation through both internet and PSTN
AssigneeInventec Multimedia & Telecom Corporation
InventorsHong Chou, Min-Chieh Wu, Yu-Min Shen, Hsiao-Wen Tin, Chia-Hsuan Wu, Yoke Kok
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Abstract
A VoIP terminal, which supports to make a phone call through both PSTN and Internet is disclosed. A local subscriber may choose to have a conversation through PSTN or Internet on his own. Besides, by reference to a switch such as a relay, the VoIP terminal is able to establish a PSTN connection under some special cases, such as the terminal power off or Internet shutdown.
Claims12
A VoIP terminal comprising:
- a CPU for controlling of the communication path of a voice signal under a power on condition;
- an Internet communication module for the transformation between a digital voice and an Internet packet;
- a data process module for the conversion between an analog voice and said digital voice;
- a set of communication ports comprising:
- a network port for connecting to a network environment and further connecting to Internet;
- a first port for connecting to a public switch telephony network (PSTN);
- a second port for connecting to a voice input/output device;
- and
- a switch unit between said process unit and said sets of communication ports for selectively connecting said first port or said data process module with said second port.
6 more elements
Dependencies are inferred from the claim text.