IMS CX70: The first Push and Talk capable mobile phone from Siemens

[ahbao]

With the introduction of the CX 70, Siemens mobile is the world's first manufacturer to offer an end-to-end solution for "Push and Talk" (PaT) based on open specifications. The service features walkie-talkie functionality over mobile networks and makes group calling easier and faster than ever before. As the first Voice-over-IP application, Push and Talk is based on the IP Multimedia Subsystem (IMS), the technology platform for many future multimedia services.
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