![]() He declined to identify the start date for the service or the type of the technology the carrier will use. Sprint PCS and Verizon Wireless, both of which use the Code Division Multiple Access 1xRTT standard, could well offer push-to-talk service to their subscribers during or even before the start of those trials.ĭan Wilinsky, a spokesman for Sprint PCS, said his company intends to offer walkie-talkie service later this year. Mike Dobbs, vice president of product management at Cingular, said in a statement that "the standards-based approach taken by these manufacturers will allow carriers to ultimately deliver this service to the largest market in the most efficient and effective way." Ericsson, Nokia and Siemens said they plan to begin trials of the new push-to-talk service in the second half of 2003. Our goal is to connect our customers to the people and information they care most about." Rod Nelson, chief technology officer at AT&T Wireless, said in a statement that his company "supports this joint initiative. This technology allows cellular and mobile carriers to deliver integrated voice and data services over IP-based General Packet Radio Service networks. Nextel shares, which have risen 50 percent this year, rose US$0.03 to US$17.34 yesterday.Nokia, Ericcson and Siemens announced yesterday at the 3GSM World Congress in France that they intend to use the capabilities of IP Multimedia Subsystems developed by the Third Generation Partnership Project (3GPP), which is the global standards body for mobile telecommunications. Sonia Kim, a spokeswoman for Seoul-based Samsung, also declined to comment. Motorola spokeswoman Jennifer Weyrauch declined to comment. Jim Gerace, a spokesman for Verizon Wireless, reiterated that the company intends to release a walkie-talkie product some time this year and declined further comment. Monthly customer turnover at Nextel was 1.9 percent, compared with 2.1 percent for Verizon Wireless, owned by Verizon Communications Inc and Vodafone Group Plc. Nextel's dominance of those customers helped first-quarter revenue rise 21 percent, compared with 15 percent at Verizon Wireless.Ĭustomers of Reston, Virginia-based Nextel pay an average US$67 a month for the service, almost US$20 more than users of Verizon Wireless. Verizon Wireless chief executive officer Dennis Strigl in February said the company planned a "push-to-talk product well before the end of the year."Ĭonstruction crews and other businesses with employees on the road are among the biggest users of the phones that also can be used like a walkie-talkie. ![]() That may pose a marketing hurdle for competitors such as Verizon Wireless, which have publicly used the phrase. Nextel is now contacting companies to inform them of the push-to-talk trademark, said Nextel's spokeswoman, Audrey Schaefer. Nextel also filed for a trademark on the acronym PTT. Nextel was granted ownership of the phrase in April after a 15-month review, according to the US Patent and Trademark Office. The company trademarked the phrase "push to talk," preventing rivals such as Verizon Wireless from using it to describe their new phones. Nextel is preparing to defend its product. "That's an attractive place for Verizon to be, and gives their customers another reason not to switch," said Rick van Nostrand, who helps oversee US$5 billion, including 950,000 Verizon shares, at Earnest Partners in Atlanta. Nextel's customers pay as much as US$20 a month more than others for their service and are less likely to switch mobile service providers. ![]()
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