Core Network_IMS Engineer

6 days ago

Navi Mumbai, Maharashtra, India ZTE Corporation Full time ₹ 6,00,000 - ₹ 18,00,000 per year

Roles and Responsibilities

  • Rich Experience in VoIP/IMS Core entities (Knowledge of P/I/S-CSCF, HSS, SLF) and VoLTE.
  • Extensive experience with SIP Call processing and SIP Supplementary Services.
  • In-depth understanding of Telecom Protocols and technologies like SIP,SDP,H.248,MGCP,DIAMETER etc.
  • Great Conceptual understanding of IMS evolution and trends - IMS Subsystems, functionalities and IMS SIP Services call flows.

Preferred Candidate Profile

  • Experience in TLS, TCP, IPSEC, IP protocols.
  • Experience in integrating/working with various components of a distributed next generation IP based architecture including soft switches, Gateways, SIP Proxies, Route Engines, IP Media Servers, IP Phones/IADs is a Plus.
  • Working experience on IMS interworking entities (BGCF, MGCF, MRFC, MRFP, AGW, IBCF, TrGW) and interfaces.
  • Knowledge on Session Border Controller, NAT, Firewall, Authentication Encryption, L2 Layer switches(Routers/Switches).
  • Media handling, transcoding, call-modeling CS, SMS, MMS and need to have knowledge on the MGWs.
  • Good Analytical and Log debugging Skills (Scripting knowledge is a value added).
  • Need to have knowledge on the Class4/5 Switches and Strong exposure to Unix/Linux OS.

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