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VoIP Gateway Print E-mail
VoIP Gateway connects traditional telephone networks with TCP / IP and VoIP implementation of voice calls. There are two types of goals VoIP different way of connecting to the network: Gateway (adapter) USB and Independent VoIP gateway equipped with an Ethernet jack (RJ-45). Gateways are equipped with a USB connector and USB cable for connection to a PC and RJ-11 jack FXS interface for connecting a camera phone. Some models are equipped with an additional slot RJ-11 FXO that can be connected to a PSTN line. These goals provide an alternative implementation of VoIP and PSTN calls as appropriate, with one telephone. Gateway USB usually does not require a separate power supply because it is powered by the USB port.
This goal can only work with the computer on which you have the appropriate communications software, such as Skype. The advantage of USB is the goals that they will obtain a dedicated audio system is better than the parameters of the sound by using headphones and a microphone connected to your PC sound card. The second is the ability to IM service using traditional telephone to which we are all accustomed. Goals are cheaper than USB VoIP goals with Ethernet jack. Determination of goals drawback is that USB can not work independently. This is a hardware only support programs to facilitate voice communication. They must be connected to a computer that is running such a program.

Independent VoIP gateways are equipped with Ethernet jack (RJ-45) which connects to the computer network TCP / IP and one or more sockets RJ-11 FXS to connect the camera phone. Some models are equipped with an additional slot RJ-11 FXO that can be connected to a PSTN line. These devices also equipped with two or more sockets RJ-11 that, depending on the needs can be configured for FXS or FXO. This versatile device can be connected to the network PSTN, PBX external line, a line of internal PBX, connected to the telephone or fax and implement different strategies for the integration of VoIP and PSTN.

VoIP Gateways are well-autonomous specialized computers for the implementation of voice calls based on VoIP technology. They have to be further fueled by the power supply or with the use of technology POE (Power over Ethernet - the power cable and the Ethernet jack) VoIP gateway is a device that does not need to work running the computer. Today's VoIP gateways are built on the basis of specialized microprocessors. They have a memory where you can save a handy telephone book and quickly choose the numbers stored in it. Remember even the last few numbers dialed or received. VoIP Gateway is based on TCP / IP. Therefore, the possibility of entering a permanent IP address, or download it from the DHCP server. If the goal is working in cooperation with the VoIP provider to the memory of the amended information on the internet address of your server and your username and password for user authentication. With the help of two goals VoIP, via a computer network (including the Internet) may also make a call via VoIP without. The condition is to assign each device a permanent private (only call within the local area network) or public (other connections) your IP address. More and more often appear on the market in an integrated device containing a single housing VoIP gateway and router for one or more telephones. Casema is a DSL modem.
 
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