QChat is a product of Qualcomm Technologies, Inc.

High performance for mobile operators.

The QChat™ platform offers a carrier-grade, high-performing solution customized for network operator infrastructure to meet the demanding needs of both mobile operators and users. This delivers a best-in-class user experience and productivity-enhancing capabilities for users with a range of features.

  • Compatible over 3G, 4G, and Wi-Fi®
  • Feature phone or smartphone
  • 20+ licensed OEMs/ODMs signed as QChat licensees
  • Android™, Brew™ platform, and iOS®
  • 50+ devices launched, with more in development
  • Multiple form factors, including rugged devices

Features operators count on.


  • Efficient network signaling and optimized for high-speed packet data transfer over 3G, 4G, and Wi-Fi.
  • Compatibility across CDMA, WCDMA, and LTE (including EV-DO Rev. A, CDMA 1X, UMTS, HSPA, and HSPA+).
  • Always-on, highly reliable, and scalable architecture.


  • Extensive operations, administration, and maintenance (OA&M) support capabilities.
  • Enhanced backend infrastructure support to diagnose and fix problems faster.
  • Optimized radio access network (RAN) recommendations to reduce connect times.
  • Facilitation with enterprise applications and custom enterprise solutions support.
  • Roaming within operator network (across regions).
  • Dispatch console gateway.

Enhanced Capabilities

  • Available on purpose-built devices with a dedicated PTT key.
  • Downloadable app on carrier-selected smartphones.
  • Software architecture designed to enhance the capabilities of each OS, provide a best-in-class user experience, and simplify OEM integration for faster time-to-market.
  • Pre-installed PTT chipset optimizations.
  • Light and efficient app layer signaling protocol designed for PTT.
  • Application developer kit (ADK) and APIs to develop and integrate advanced communications apps.

Features that put users in control.

PTT Call Types

  • Direct Call: between two users for fast two-way communication
  • Ad Hoc Group Call: up to 25-member list defined by users on the go
  • Closed Group (Unicast): up to 500-member list defined by the customer
  • Instant Call: full duplex 1:1

Control and Efficiency

  • Participant tracking
  • Add users during a call
  • Fast floor arbitration during group calls
  • Talker pre-emption for highest-priority members
  • Call Restriction: allow, deny, or force calls
  • Presence: quick indication of target user availability

Multimedia Communication

  • Text, photos, audio, videos, and more
  • Alerts: quick text messages defined by the user
  • Closed Chat Rooms: restricted to members defined by the customer
  • Facilitation with enterprise apps and custom enterprise solutions