[CN+] Get ready to be annoyed by the chirping of even more walkie-talkie phones. Wireless carriers plan to aggressively promote the service, also known as push to talk, or PTT, which allows users to instantly connect with someone by pushing a button.

AT&T has cut the monthly fee for unlimited push-to-talk services from $10 to $5. Sprint and Verizon Wireless both charge $10 for equivalent PTT services. The news came with today's announcement of the Samsung A837 Rugby.

Verizon Wireless today announced the Samsung Convoy, a rugged push-to-talk clamshell phone that features Bluetooth wireless and a 2.0 megapixel camera. Read the full story here.

Verizon Wireless launched its creatively named CDM8975 Push to Talk handset today.  This new business-meets-multimedia walkie-talkie mobile phone was developed by Personal Communications Devices and comes dressed to impress, er, ready for the job site as it’s wrapped in an “industrial clamshell.” The CDM8975 will be available beginning March 9th, online and in good ol’...

The recent rush of push-to-talk offerings has brought a bit of nostalgia to the RCR Wireless News offices as it seems not so long ago that carriers were trumpeting new PTT services to combat Nextel Communications Inc.Â’s dominance in the market.

Verizon has announced a new handset to its lineup, the PCD CDM8975 clamshell push-to-talk enabled handset. The phone features dedicated PTT and speakerphone keys, EV-DO data connectivity, VZ Navigator, and V CAST support. Read the full story here.

Verizon Wireless CDM8975 is the newest Push to Talk phone launched by the largest North American CDMA carrier and available only via business sales channels for the moment. Developed by PCD (Personal Communications Devices), the CDM8975 is a rather simple clamshell that comes to complete Verizon’s lineup of PTT phones (which includes the Motorola Adventure V750

The MetroPCS ChatLINK service is now available. MetroPCS ChatLINK is basically an application that allows your non-PTT (push-to-talk) cell phone to work like a PTT handset. For just $5 per month, MetroPCS customers will be able to use their phone like a walkie-talkie. The MetroPCS ChatLINK will work like this: your friend with a PTT enabled phone calls

AT&T Mobility announced it will halve the monthly cost of its push-to-talk service — from $10 per month to $5 It’s a move that could spark a PTT price war with AT&T rivals Sprint and Verizon Wireless, says RCR News. Sprint and Verizon currently charge $10 per month for the service. In conjunction with the PTT

AT&T has finally launched Samsung Rugby, an army-competent device to merge push-to-talk (PTT) with video share calling. Samsung Rugby is assembling to resist cruel conditions. It is specialized to Military Standard MI-SID-810F, surviving dust, shock, rain, humidity, solar radiation and altitude and temperature limits. Bluetooth 2.0 technology supply wireless data transfer while its GPS technol...