Top 3 voice over LTE equipment vendors in first quarter of 2012

Telecom Lead India: Top three VoLTE (Voice over LTE)
vendors in first quarter of 2012 are Alcatel-Lucent, Ericsson and Nokia Siemens

Dell’Oro Group said VoLTE projects have begun to
positively impact the carrier telephony market.

The two main infrastructure components needed to build
VoLTE services have been delivered by several vendors over the past few
quarters, benefitting Alcatel-Lucent, Ericsson, Nokia Siemens Networks and
Mavenir Systems.  We expect multiple operators will launch VoLTE services
by the end of 2012 after they have tested their networks when affordable
handsets are available,” said Chris DePuy, Analyst at Dell’Oro Group.

Just as important, there are signs that operators will
be launching revenue-generating services such as video conferencing, location
services, messaging and file sharing in the coming year.  These new
communication services will represent the first major wireless operator
responses to the threats posed by over-the-top services that have been enabled
by smartphones,” DePuy added.

Three major technical components are needed to launch
commercial VoLTE services:

IP Multimedia Subsystem (IMS) Call Session Control
Function (CSCF) – overall licenses more than quadruple versus the year-ago
quarter, driven by VoLTE.

VoLTE-capable Wireless Voice Application Servers (VAS) –
1Q12 was the first quarter of revenues in tens of millions.

Handsets with Single Radio Voice Call Continuity (SRVCC)
capabilities – shipments expected in 2H12.

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