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Push to Talk, Push to Cellular, Presence Voice over IP, and Data IP Push Strategies, Market Shares, and Market Forecasts, 2008 to 2014
WinterGreen Research, Inc., May 2008, Pages: 404
It’s all about the Internet. Push to talk services implement push SIP session control, instead of using circuit switched end-to-end session control. Push technology promises to bring the next generation of communications services. Push to talk service is an integral part of an IP multimedia communication portfolio
PTT Session Management is representative of the push technology market shifts, This is a disruptive technology, push technology is more efficient. Data drives the adoption curve, voice services provide the revenue stream.
Push to talk markets are forecast to achieve growth because the calls have subsecond call set up, the systems implement voice over IP, and there is no session to manage, or control. Systems are as useful across geographical locations as they are for families located in the next room. Motorola’s multinational PTT integrates with more than 21 million existing PTT users throughout the Americas.
PTT service will use VoIP (Voice over IP) and SIP (Session Initiation Protocol) technology to set up and route the instant calls. These technologies leverage the mobile operator’s prior investments in wireless CDMA 1X data networking, since VoIP sends voice as data packets over wireline or wireless data channels. There is no need to set up a session using proprietary switch technology. The router controls the sessions.
A private line from Marseilles to Clarity’s secure data center in Naperville, Illinois will carry the packetized voice traffic as instant calls between the subscriber handsets and Clarity’s SIP-based switch.
If a user is involved in a PTT session and receives a cellular call, they receive a call waiting indication. They can answer the cell call, and then switch between the conversations. AT&T boasts the largest Push To Talk network in America, and its PTT service includes several differentiating features, including availability icons, quick group-calling and the ability to easily switch from a PTT session to a regular wireless voice call.
The Push to Talk service is an integral part of the IP Multimedia communication portfolio envisioned by Nokia, and a part of the service offering in IP Multimedia Subsystem (IMS). It is based on half-duplex voice over IP (VoIP) technology over mobile networks.
IP technology gives push to talk service cellular access and radio resources more efficiently than circuit-switched cellular services, reserving network resources only for the duration of talk spurts instead of for an entire call session.
Subscribers can instantly talk to each other or to a group by the simple push of a button. It very easily facilitates the close family or business work group needs for very quick and informal communications.
Push to Talk is a presence communication tool, creating a way to communicate with someone as though you are in the same room with them, but from a remote location. 'Push-to-X' means users can key in a single button and have immediate access to something other than another cell phone. That could be anything from a weather report to a stock update.
Push to talk cellular subscribers at 45.6 million in 2006 and 64 million in mid 2007 are expected to reach 340 million by 2013. Subscriber growth comes from the ease of use. Market growth is anticipated as the data services create demand and voice services provide the bulk of the revenue. Push to talk cellular subscriber revenue at $1.2 billion in 2006 is expected to be $16.7 billion in 2013. The cellular push to talk Push to Talk, Push to Cellular, Voice and Data IP Push Strategies, Market Shares, and Market Forecasts, 2007 to 2013 discusses the advantages of push technology as the small screen of wireless handsets becomes dominant.
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