In its Q4 report, Ericsson provides their standard update on the number of VoLTE and SSR 8000 deployments:
- "The Ericsson solution for VoLTE continued to gain momentum across regions. Two customers in Japan launched commercial VoLTE services in the quarter
- To date 146 contracts for the multi-application IP router, SSR 8000, has been signed, since the launch in December 2011. During the quarter, 12 new contracts were signed of which two were for fixed networks".
See "Fourth quarter and full-year report 2014" - here.