CS and IMS Core (Voice) -Engineering

About the job CS and IMS Core (Voice) -Engineering

Must have or be

 8+ years of experience in Telecom Core Networks.

 Strong knowledge of CS and IMS Core with 3 to 4 years of Solution Integrator experience

 Must have strong knowledge on

o various 3GPP CS and IMS Core nodes (i.e. MSC, MRS/MGW, MTAS, CSCF,)

o Experience in Integration, Configuration Changes, hardware expansion,

Troubleshooting of MSC, MGW, STP, SBC, IMS (P, I, S-CSCF, ATS, MGCF, MRFP, CG,

ENUM)

o Expertise on Protocols (i.e. SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP,

SCCP, Diameter)

o In-depth understanding of Call flow in CS Core, VOLTE/ IMS.

o Competent in GSM / IN call flow.

o Good knowledge / hands-on experience in prepaid charging system SS7 stacks, INAP,

CAMEL, SIGTRAN

 Basic experience with Linux and related Virtualization technologies (any of the followin...