Push to Talk (PTT)
This is a way of communicating on the half-duplex communication line, includes receiving and transmitting devices (walkie-talkie) by the way of pressing the button for switching to the voice mode or transition to the listening mode. It works as a radio speaker; one can talk by pressing the button and can listen to a voice message by releasing the button.
Cisco 7965 IP phone model with large color display and backlight, ensures simple access to communication information, call time saving applications and such options as date and time, caller groups, caller group number, dialed number and presence information. Support of XML applications allows using all the advantages of the display, (Cisco UC Phone 7965 Gigabit Ethernet, Color).
QiiQ Communications Inc.
IDC projected over 9 billion minutes of voice traffic to travel over worldwide packet networks in 2000, exceeding 135 billion minutes in 2004. Service revenue is projected at 1.6 billion in 2000 and 18.7 billion in 2004.
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