University explores dual-mode wireless phone technology
George Washington University has started testing the technical and economic feasibility of using dual-mode wireless phones that allow users to experience smooth transition between university-controlled Wi-Fi networks and external cellular networks.
The test began two weeks ago using 25 E61 cellular phones from Nokia worth $400 each, which are equipped with Avaya’s One-X Mobile Dual-Mode client software that costs an additional $160 per user.
Should the test prove a success, the university plans to implement the technology to support up to 30,000 dual-mode phones for students and staffers on its three campuses by 2009, Bret Jones, director of technology and engineering told Computerworld.
The technology, if it works, will allow students and staffers to save money when using their cellular phones within the Wi-Fi coverage area..
However, Jones mentioned several challenges in getting dual-mode phones to work as envisioned, including the lack of technical support from cellular network operators because of revenue reasons, the need to resolve different issues from different carriers because of varying levels of service, and the current tag price of phones and client software.
The test is expected to be completed by the fall of 2008 and the university plans to start its implementation a year later.
Initial reports suggest that testers were experiencing technical difficulties when switching between cellular and Wi-Fi networks.
“As you move across a boundary, the call doesn’t disconnect, but it does delay,” Jones said.
Meanwhile, cellular network operators are also getting into dual-mode phone development and testing. The only obvious difference is that they are expected to sell their dual-mode systems under a multi-year subscription plans.
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