Cellular carriers are creating "push to talk" services that travel over Wi-Fi networks, federal regulators say--a move that could expand the one-push mobile phone calls to VoIP systems.
Mobile operator MobileOne has begun push-to-talk trials with the Marriott Hotel and delivery giant United Parcel Service in Singapore.
Push to Talk (PTT) mobile technology is "not yet a threat to SMS messaging."
Push-to-talk (PTT) mobile services are expected to be released in Australia this year according to the IT marketing advisory firm IDC, following the success of the walkie-talkie-like device in overseas markets.
Iranian police have closed down more than 400 Internet cafes in the capital Tehran, demanding that the owners obtain licences to stay in business.
Nokia's 6085 is a fashionable flip phone with a broad feature set and an affordable price tag.
If you've got a compelling business reason to own a push-to-talk phone, then the KX440 was built for you. If you're after a flashier phone, it definitely isn't.
Available only on Telstra, Samsung's E820T is small slider phone and the first handset from the company to feature push-to-talk (PTT).
Nokia's 6230i is an upgraded version of its classic, unpretentious 6230 with a higher quality screen, 1.3-megapixel camera and Bluetooth.
The 3230 continues Nokia's run of style-plus-substance phones, offering a 1.2-megapixel camera, video editing and a positively lush-looking screen.
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