"About a year and four months ago, Sprint announced its plans to use Qualcomm’s Qchat platform to provide push-to-talk services on their Sprint PCS CDMA network. Currently, the #3 operator offers the popular Nextel Walkie-Talkie feature, and the Qchat will enable them to offer similar option on the EV-DO Revision A network, as well as interoperability with the Nextel service."
