IMS Wireless

• Work experience with VoIP, WiFi Calling, Ut interface, SMS, e911, and other IMS features over various air interfaces including LTE and 5G NR • Experience with Policy / Charging and QoS enforcement in packet data networks • Knowledge of Offline / Online Charging architectures (such as PCRF Gx and Gy, interfaces) • Experience with SIP, Diameter, and SBA interfaces • Detailed Understanding of 3GPP specifications and worldwide spectrum and telecommunications regulations. • Understanding of mobility, ISIM, P-I/S-CSCF, SBC, HSS/HLR, and UDR/UDM concepts • Familiarity with working in a CI/CD Pipeline and Knowledge of cloud-native technology, specifically how 5G will utilize a cloud-native IMS core. • Knowledge of wireless technology landscape, including Experience in LTE and 4G. • Proven record