In a statement, the Vancouver, British Columbia-based company said it will, instead, focus on its core business of developing PC cards that provide access to mobile device users. In particular it is developing PC Cards that support HSDPA, an advanced form of 3G access.
The company said in a statement that about 99 percent of its revenue has been generated by its PC Card business.
"We have enjoyed limited success to date on the Voq Professional Phone and have concluded that continuing to proceed with Voq is no longer the best use of our resources, given our other opportunities," David Sutcliffe, Sierra Wireless' CEO said in a statement. "These actions are designed to focus the company on the core areas of our business where we have extensive experience and a well established market position,"
The company said that about 55 of its 319 employees were devoted to the Voq product. It said about 15 of those will be transferred to other parts of the company while the rest will stay with Voq as the product winds down.
The company initially announced the Windows Mobile-based device in late 2003 and started shipping it in Europe the following spring. It didn't release the device widely in North America until last September. Besides limited sales, the device received mixed reviews.