Push-to-Talk is an increasingly popular service that allows users to communicate by simply pushing a button. With minimal capital investment, Clarity's Push-to-Talk service can quickly help wireless carriers differentiate their services, increase average revenue per user, and build customer loyalty. Based on VoIP and SIP technologies, this service satisfies the need for both point-to-point and multipoint usage. Clarity's Push-to-Talk service is "network agnostic" and can be used across disparate wireless networks.

inTouch is the Top-performing SIP-based PTT Offering
Clarity's inTouch Push-to-Talk system combines a portable handset client with VoIP and SIP technologies to deliver PTT voice services over standard wireless packet data infrastructure. An excellent platform for adding advanced new services such as direct access to audio content and integrated location-based capabilities, the inTouch solution is compatible with 2.5G and 3G mobile data networks and fits your existing packet data network without a costly network overhaul.

Key Product Features:

• Make Private and Group PTT calls at the push of a button
  
• Integrated Presence shows who is online and available
  
• Portable over-the-air downloadable handset client: Currently supports BREW, Windows Mobile and Windows XP; Java and Symbian version available soon
  
• Highest performance CDMA PTT solution:
  
• 0.6 sec initial time to talk beep
• 0.3 sec in-call time to talk beep
  
• Best CDMA Spectrum Efficiency
  
  • 30% more efficient than cellular voice calls
    
• Excellent voice quality
  
• Standards based architecture
  
  • Current SIP based VoIP service with evolution path to IMS/3GPP/3GPP2/OMA
    
• 100% off-the-shelf cluster hardware solution to minimize costs
  
• Access agnostic
  
  • Currently supports CDMA 1x, EV-DO, WiFi, and Ethernet
  • Support for GSM coming soon

inTouch is available as a managed service or it can be independently owned and operated.