ChatterPTT is a Real Time Push to Talk and Group Text Messaging system that is carrier independent, and features cross carrier communications. ChatterPTT includes a rich feature set supporting the needs of the serious work force.ChatterPTT is a subscription based service. The free version downloaded from the Play store provides a method to create a free 30 day demo account. If you want to create an Account for your business, please go to http://www.chatterptt.com/ for purchasing information.Establishing a new dimension in Push to Talk service, ChatterPTT provides a host of capabilities not previously available on other PTT networks. ChatterPTTs complete family of products include features that meet the needs of the most rigorous customer requirements. ChatterPTT is the best performing and most full featured Push to Talk service available today. A cost effective end-to-end solution, ChatterPTT can be rapidly deployed in any enterprise environment. Let us help you enable your enterprise with Fast and Reliable PTT service today.ChatterPTT provides a complete Push to Talk solution for the enterprise environment. Businesses will find the ease of deployment and flexibility of service offerings will integrate fluidly into their current and desired business practices. ChatterPTTs solution includes Base Station and Vehicle Mounted ChatterPTT radios, as well as interfaces to Land Mobile Radio (LMR) and Public Safety Answering Point (PSAP) networks.ChatterPTT Highlighted Features- Real Time Push to Talk - Group Text Messaging - User and Group Priority to control user access - Priority Broadcast Calling - Presence for Groups and Individual Contacts - Multiple Group Types - Account management via the handset or web - Encrypted Account Management Transactions - Late Join on Group Calls - PC Based Dispatch Client Available - Easy to use Contact and Group Selection - Group and User Presence - Floor Control Indication - User and Group Management from: - Web based user interface, and - Handset User Interface - Instant Ad Hoc Group Calling - Enterprise Administration via Web Interface - Maximum Group Size: - Personal Group: 255 - Member Group: 255 - Open Group: 255 - Closed Group: 255 - Dispatch Group: 254 - Surveillance Channel: 255 - Unicast Channel: 255 - Preemptive Priority Emergency Group: 60,000