A report by market researcher Informa
Telecoms & Media forecasts thatthe growing acceptance of SIPby
mobile operators and device vendors will result in 435
millionSIP-enabled devicesby
2012.
Sales of mobile phones with active SIP
functionality will reach 275 million units in 2007, an increase
from 0.4% of total device sales in 2006, to 19% by 2012 with a real
inflection taking place between 2010 and 2011 says
Informa.
Within the mobile handset space, SIP is
essentially split into two main variants of IETF SIP, also known as
Naked SIP, and 3GPP SIP, which is also called IMS SIP. IETF SIP is
widely used in both fixed and mobile telephony and is seen as the
basis of a convergence platform. In the mobile space, IETF SIP is
considered to be an essential component for enabling access to open
internet services including wireless VoIP.
Mobile network operators’ growing acceptance of
SIP and their relationship with mobile handset vendors will likely
see increasing numbers of 3GPP enabled devices produced. This, in
turn with the availability of 3GPP SIP services—such as Push of
service over Cellular networks (PoC), Mobile Instant Messaging
(MIM), Video Sharing and in the future mobile VoIP (mVoIP)—should
help grow subscriber numbers further. By 2012, the number of
subscribers using 3GPP SIP based services will exceed 276 million,
thus surpassing the number of IETF SIP service users.
In terms of devices, sales of handsets with
active SIP were as low as 4 million units in 2006. Due to its high
device requirements and the specification of services it will
likely support, SIP implementation will be mostly limited to
smartphones. Nokia enjoys the largest SIP enabled product portfolio
of all leading handset vendors, which goes in line with the
company’s strategy to get increasingly involved in the mobile
content space and internet service offering. Nokia has already
release over 35 SIP capable devices
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