Sunday, October 9, 2011

Cellular VOIP

Voice Over Internet Protocol (VoIP) offers two types of telephone communication via the Internet: a computer to another and from one phone to another. The most popular services are VoIP phones for voice communications. A phone adapter is connected to a DSL or cable modem, then an analog telephone.

Recent developments in the VoIP service is a Wireless Fidelity (WiFi) phones. WiFi phones send signals, such as mobile phones, but on a different frequency (Wilson), the signals are intercepted and routed to the Internet.

WiFi phones have been developed in a limited network connection. For example, a large office staff to communicate with each other through the network without being tied to their desk phones. Recently, mobile Wi-Fi has expanded beyond the confines of a limited network to include the largest network in the world: the Internet.

The mobile phone manufacturers have jumped on the bandwagon to develop phones that work as both WiFi and cellular dual-mode hybrid called. A hybrid user moves outside their cellular service can switch to VoIP.

The first versions were full of problems, for example, a user must manually change the hybrid cell phone service, VoIP service. In addition, wireless service is limited to areas called hot spots. Hotspots which are growing, and some manufacturers have already published two improved versions of its hybrid mobile phone automatically switches, VOIP space, while a user has traveled far from the hybrid cells without interrupting the game.