Subject: [NEXTEL-1] Q-Chat

From: [email-masked]
Date: Thu, 26 Jun 2003 15:00:04 -0400

Introduction

Push-to-talk (PTT) is an always on communications service that provides wireless
users with a valuable and virtually instantaneous method of connecting to other users –
with just the push of a button. PTT is a new class of telephony service that meets
different needs than standard voice telephony. As a supplement to traditional voice
telephony, PTT services have proven to increase an operator’s average revenue per user (ARPU)
and reduce subscriber churn (switching from one service provider to another.)
QUALCOMM’s QChat™ is a PTT communications technology for 3G CDMA networks.

It uses no proprietary hardware and can run on any CDMA 1x packet data with
dormancy network. QChat is a Voice-over-IP (“VoIP”) PTT application that enables
instant, one-to-one and one-to-many half-duplex communication.

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