Mobile Network

Providing IP network-based calling service (VoIP, VoLTE) and additional call service equipment to operators at home and abroad...

Various intelligent network services, such as additional services when the line is busy, and various calling plans based on real-time charging...

As mobile data traffic increases, Diameter message traffic also increases inevitably. Customers have introduced the DRA (Diameter Routing Agent) to configure more efficient networks while alleviating network complexity...

The PCC solution, a Quality of Service and charging policy server, is needed for differentiated services and efficient operation of mobile network resources...

The business support system (BSS) that manages customer information/product information and performs the billing/settlement function, and the operation support system (OSS) that manages service launch and collects various charging information from network equipment are the core systems for communication service providers to run their business. Operators need the differentiated BSS/OSS that enables them to actively respond to changes in the business environment and market/user requirements, and take the lead in the market....

The national project for PS-LTE (Public Safety-LTE), which is the technology based on the LTE network and used by the National Disaster Communication Network, is underway to establish a local network for the first time in the world. Many countries including the U.S., U.K., Canada, and Australia are considering PS-LTE as the standard technology for their disaster communication networks. GCSE (Group Communication Service Enabler) is one of the PS-LTE standard technologies for group multimedia calls among many rescuers on the disaster site, and runs on the eMBMS system....

Uangel has a variety of messaging solutions for text message services that are most frequently used by mobile users along with voice calls. Uangel has been delivering various servers to operators at home and abroad - from messaging servers for 2G and 3G users to servers for 4G users, relay servers between 2G/3G users and 4G users, and cell broadcast servers for disaster information text messages. Uangel has recently developed and started to provide the unified messaging server that installs all messaging services in single hardware....