Wireless Phone

How Does a Cisco Wireless Phone Operate?

About Cisco Systems Inc.

Founded in 1984, Cisco Systems Inc. is a multinational corporation that now employs more than 65,000 companies in its consumer electronics, networking, communications and voice services and technology. Cisco launched its first wireless phone, the Cisco Wireless IP Phone 7920, in 2003 with various models released since then.

What Is A Cisco Wireless Phone?

This phone is a Mobile Phone that works by a wi-fi connection as opposed to a traditional mobile phone network. Essentially, this device combines the real time communication of a mobile phone with the closed network characteristics of a walkie-talkie. Cisco wireless phones provide long battery life with up to 200 hours on standby, and around 15 hours talk-time. A variety of these phones are available in the 7900 series, ranging in price from £30 to £800. Cisco Wireless Phones feature a two inch, 176 x 220 pixel colour screen, duplex speakerphones for hands free communication, high definition voice quality, mute and volume buttons, XML enabled applications, “push to talk” walkie-talkie experience, “office extend” to enjoy the same features at work and home and stringent voice and wireless security features. The 7925G and 7925G-EX models support Java based technology, allowing them to use MIDP (Mobile Information Device Profile) applications, similar to those developed commercially for smartphones. These phones also support multi-call per line functionality.

What Are Cisco Wireless Phones Used For?

In an interview with Computer Weekly in 2003, the senior vice-president of Cisco switching, voice and carrier systems said that the Cisco Wireless IP Phone 7920 was intended to be used within enterprises, rather than as a replacement for traditional mobile telephones. Models such as the Cisco IP Phone 7970G make use of large colour-sensitive displays to allow users who do not have access to a computer to make use of network data and graphics-heavy applications. These phones are used in large workplaces or business campuses where access to the IP network can be guaranteed, but workers are likely to move around the environment and therefore require mobile communications technology. Especially robust models are available for use in more hazardous workplaces such as chemical plants, manufacturing areas and oil refineries.

How Do Cisco Wireless Phones Work?

The Cisco Wireless IP Phones in the 7900 range communicate via the IEEE 802.11b wireless communications portal that is common to various IP networks. Therefore, rather than using traditional cellular networks, these phones work by operating on a local area network (LAN). Communication then occurs via circuit switched private branch exchange interfaces or voice over IP networks. These phones are especially useful and easy to use in areas with access to Cisco IP systems. Even if mobile phone networks go down or are not available, these phones allow internal business communication while moving around the campus or workplace, as long as the network itself remained operational and accessible. Costs are also decreased as business owners do not need to pay for carriage on a mobile phone network, instead internal communications can be carried out over Cisco Wireless IP phones.

About the Author

Vincent Rogers is a freelance writer who writes for a number of UK businesses. For information about Cisco Phones, he recommends Prodec Networks.

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