About Me
Hi this is vijayanand am from telecom domain and having expertise on core network GSM MSC/GMSC/HLR/IN and 4G SCSF/AS/HSS/MGCF
I have been part of 2G and 4G implementation/Integration and configuration.
Strong Knowledge of IMS IP Multimedia Subsystem/ VoLTE
1. Architecture of IMS
2. Interfaces among IMS nodes Gm, Ut, ISC, Cx, Dx, Sh, Ro, Rf, Rx, Gx, Mw, Mp ,Mr
3. Protocols among IMS nodes
4. Node Functioning
Application Server MmTel, SCC AS, Scheduled Conference
CSCF S E I CSCF,
HSS/ SLF,
SBG SBC,P CSCF,ATCF, IBCF,
ENUM/DNS,
BGCF, MGCF,
MRS MRFC / MRFP
5. Knowledge on IMS KPI
1. Accessibility
2. Retainability
3. Utilization
6. Hands on working knowledge of SIP Call flows Registration, Intra IMS to IMS, Inter IMS to IMS , IMS to PSTN, PSTN to IMS, Emergency Call , Forwarding , Forking, Conference, CE Retry , SRVCC , CSFB, MCA and CRBT
7. Good Knowledge of RFC 3261 , 3264
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