Consulting firm inCode Wireless came out with the latest version of its IMS Global Deployments Matrix this week, and the report stated that adoption of IMS architectures by network operators has more than tripled in the 12 months since inCode began tracking the trend.

Version 10 of the matrix lists 36 operator trials or deployments in addition to three non-commercial projects initiated by industry trade groups. Three operators--AT&T (including Cingular), BT and Sprint Nextel--have announced more than one deployment, according to the matrix. A year ago, only 11 service providers had announced trials or commercial deployments.

“Wireless, wireline and broadband operators are ultimately headed toward IMS,” said PK Prasanna, IMS/Convergence Lead for inCode. “The questions for many operators are how will they get there and when will it happen.”

At least seven operators have adopted fixed-mobile convergence solutions that provide packaged voice services as a potential precursor to blended IMS services, Prasanna said.

Among other recent reports on the IMS market, ABI Research said earlier this month that service revenue generated by IMS deployments will amount to almost $50 billion by 2011.