Ajay Singh Email & Phone Number

Toronto

Expertise in dual imsi roaming and solution.KPI monitoring for Telna in order to ensure network health,Outbound and inbound roaming success rates.Coordinate IREG activities with client/customer(including tests scheduling, troubleshooting, SIM exchange, etc.)Sigos testing as to track the network faults. Did automation and reportings Troubleshoot on.

Mohali, Punjab, India

• Skills:
• Project activities, implementing / adapting (new) IMS E2E service functionalities, nodes, services.
• Operation & Maintenance of Core Nodes and Knowledge of protocols SIP, DIAMETER SCTP, M3UA,SS7,MAP,ISUP,Volte.
• MSS, HLR,HSS, SGw, PGw hands on experience.
• Secured that the delivered solution is properly implemented and works according to the Requirements.
• Verified, integrated and troubleshooting of complete E2E solutions in a Multi-Vendor Set-up.

Gurgaon, India

• Strong knowledge of ZTE Core Network products (3GPP standards, CS, MSC, IMS, EPC, MME, Volte, DRA, DEA, STP, HLR, and HSS) and able to maintain a comprehensive business knowledge.
• Managed marketing and promotion activities on Core Network products& solutions.
• Extended new market opportunities and conducted product market planning and analysis.
• Prepared and delivered presentations and effectively represented the company in presentations, road-shows or workshops.
• Adjustments of solutions and negotiations, assessing technical issues regarding costs vs. benefits.
• Advised as a technical consultant for the customer and identified customers' pain points related to the Product and lifecycle management.

• Excellent Huawei/ZTE background in Core and PACO Nodes, GSM, UMTS. (MSC/GMSC/MSS/HLR/STP, Blade Cluster, and MGW).
• Handled O&M tasks, troubleshooting, emergency cases and call tracing for Core nodes (Blade Cluster, MSS, MGW, STP, and HLR).
• Implemented the configuration of signaling and traffic on MSC-S Blade cluster (MSC-Blade, M3UA, SCTP, TDM and etc.).
• Implemented the configuration of SS7 Signaling on MSC& STP (SCCP, MTP, SIP) and the needed implementation for VAS services from switch side as SMS, RBT, MCA, USSD, VMS, etc.
• ZTE/Huawei support, prepare, write, B-number analysis and routing analysis, Emergency areas, Global titles, Global titles route cases, IMSI number series, roaming analysis, Camel definition, PLMN, and IR.21.
• Excellent experience in signaling protocols including MAP, GCP, BICC, RANAP, BSSAP, ISUP, SIP and SIGTRAN.

• Proficiently executed commissioning and implementation of ZTE ZXWN 3G MSCS.
• Meticulously configured CG (Charging Gateway) for Billing and Mediation Process. Different servers like DELL, SUN-NETRA 240 used for database of MSCs and CGs.
• Competently handled Routing, Traffic Analysis and Overflow Management for GSM Network.
• Liaised & coordinated with clients and ensured close relationship and responsiveness to customer needs.
• Significantly carried out Root Cause Analysis for complex problems.
• Awarded ZTE Star Performer in 2009.

Vodafone (Nokia), Vodafone Hyderabad India on Nokia core.