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TeleStax provides Open Source Communications software and services that facilitate the shift from legacy SS7 based IN networks to IP based LTE and IMS networks hosted on private (on-premise), hybrid or public clouds. TeleStax products include Restcomm, JSLEE, SMSC Gateway, USSD Gateway, SS7 Resource Adaptors, SIP Servlets, Rich Multimedia Services, Presence Services/RCS, Diameter/AAA Services, XMPP Services, WebRTC services and others.
 OpenCloud15

OpenCloud was founded in New Zealand in 2000 with the mission of creating game-changing next generation software products for the telecom network based on open standards, Java and standard Information Technology computing platforms.

Unlike traditional, closed and proprietary service layer solutions provided by network equipment providers OpenCloud’s large, independent developer ecosystem delivers service innovation and the competitive supply of telecom applications that runs on the OpenCloud Rhino service layer products.
Deltaya
 Deltaya is based in Ipswich, UK and is a registered limited company. Deltaya brings together an experienced team to provide telecoms operators with support and software development services. Deltaya’s area of expertise is in IN services, call routing, location services and charging, providing bespoke solutions and support..
almira Almira Labs specializes in developing end-to-end value added services for wireline and wireless service providers. We build our software using state-of-the-art Next Generation Network technologies such as JAIN SLEE and SIP, combined with IT technologies such as J2EE. With this approach, Almira Labs paves the way for convergent services by bringing together the distant worlds of networks and IT. Almira Labs’ executive team has extensive telecom expertise in Europe, Africa and Latin America, with experience ranging from pre-paid systems, messaging services to OSS/BSS enablers. Our company strongly believes in ‘Quality Engineering’ reflected in our high quality software development methodology based on standards like CMM, applied to the domain of our expertise in the telecom sector.