Rancore's distinctive edge is its outstanding mix of industry expertise, technical leadership, innovative products, cost effectiveness and industry standards alignment. Rancore is engaged in the following activities in the 4G domain: 1. Core Software Development: We build products and services to suit the needs of a modern 4G network. This includes development of the IP Multimedia subsystem, cloud applications, telephony and messaging applications and rich multimedia service platforms. Moreover, client application software on android, IOS and Windows is also developed to supplement these network capabilities. We also build LTE devices which provide connectivity to these applications in the 4G network. 2.Standardization: We build the Generic and Quality Requirements of all network elements and services. They include all aspects of the equipment including Protocols and Interfaces, Features and Functional Performance, system requirements, interface requirements, Management interfaces, Scaling Requirements, traffic handling capabilities, Reliability and Quality aspects. 3.Technology Evaluation and Validation: We carry out Technology Evaluation for devices and infrastructure by different vendors/groups. Technology validation on the other hand, involves the installation and testing of vendor products. Validation is performed all network equipment and services as well as for Process validation of Operational support and business support systems.