Hands on Experience

·      Sound experience of CS of Wireless products.

·      Solid Customer Support know-how for maintenance and troubleshooting of Wireless applications

Protocol Database

• Sound in SIGTRAN (SCTP, M2UA, M3UA), SIP, BICC, SS7 stack i.e. ISUP, TUP, TCAP, MAP/CAP and IN. Transport experience includes STM1 & E1

·      Theoretical knowledge of H.323 (H.245/H.225), ISDN BRI/PRI.

Hardware

• Nokia R4 MSS & MGW, Huawei R4-MSOFTX3000 Soft Switch, Huawei R4-UMG8900 Media Gateway, Huawei HLR9820, Huawei R4-SG7000 STP, Huawei SGSN9810, Huawei GGSN9811, Huawei CGF9812, Nortel DMS 100 MSC & HLR, Nortel HLR200, Nortel Universal Signaling Point 9.0.4, Nortel Passports (Multi Service Switches), Glenayre MCN & VMS, Air Wide EIR,  Atis LIG

Software

·      Unix (LINUX), C++, Ultraedit 32

• Advanced PC skills and an in- depth understanding of Windows NT/2000/XP business/office software applications.

• Providing level 1&2 support for Managed Services

• Responsible for managing the regional engineers to maintain all the Nokia DX200 & IPA2800 Platform (R4 MSS & MGW) in the network.

• Perform Software Upgrade to M14.3 from M13.6 for MSS

• Perform Software Upgrade to U4.1 from U3C for MGW

• Perform Upgrade of  NEMU and HMS

• Leading the team for Software Upgrade of Rel. 4 Core NEs

• Perform Hardware Upgrade of  U4.1 MGW

• Implemented CDs of MSS and MGW

• Worked on commercial launch of  MSS, GCS & MGW and did integration of these nodes with live NE’s and performed changes in all live network to accommodate these new nodes.

• Performed audit of all the R4 Nodes in the network.

• Network expansion activities.

• Perform Network Optimization through careful observation of its performance and statistics

• Troubleshooting the day to day problems and making recommendations for the network’s improvement and stability

• Perform routine Operation & Maintenance tasks, database audits and resolve customer/subscriber complaints

• Perform hardware and software related fault isolation and resolution for Nokia Rel.4 entities

• Respond to various queries put up by the customer regarding the configuration and operation of Nokia 3GPP Rel.4 entities

• Involved in commissioning and integration of new MSS/MGW

 

• Performed Integration, Operation and Maintenance for GSM/3G SoftSwitch & Universal Media Gateway (MSOFTX3000 & UMG8900), HLR (HLR9820), STP (SG7000)

• Configuration and Maintenance with Gb, GTP Tunneling, HLR, STP, DNS and Charging Gateway Interfaces for Huawei SGSN(SGSN9810)

• Configuration  and Maintenance with GTP tunneling, Border Gateway, Charging Gateway, Public Data Network, MMSC, AAA Server, HLR, STP, DHCP, SCP Interfaces for Huawei GGSN(GGSN 9811)

• Analyze the performance of SoftSwitch by various performance tasks and optimize the system for better performance.

• Did hardware & software installation, commissioning, integration, provisional acceptance testing and commercial launch of GSM/3G SoftSwitch & Universal Media Gateway.

• Team leader for Lawful Interception. Integrated Lawful Interception with all the SoftSwitch in the network.

• Responsible for maintenance of EIR/VMS/MCN

• Part of MNP Project Team and successfully implemented MNP on network Nodes.

• International Roaming Coordination for NSS and GPRS mediums with the configuration of Signaling/Voice routes, SINGTEL and BELGACOM GRX’s for packet core.

• Perform studies for the network topology based on GSM roadmap network architecture designs and dimensioning.

• Follow up the supplier’s software upgrade releases

• Analyze the network KPIs Reports and recommended changes

• Commissioning, Operations, Maintenance, Software upgrades, Post Release Software management, Integrations and Translations of DMS 100 MSC and HLR and DMS 200 HLR

• Configuration and Maintenance of  AIR WIDE EIR, along with Third Party solution like Ulticom SS7 Software and hardware

 

• Responsible for maintenance & technical support of the Soft switch, Media Gateway, Signaling Gateway

• Daily Reports Analysis

 

March 2007           HUAWEI MSOFTX3000 (Soft switch) and UMG8900 (Media Gateway)                                                                                                                                                                       (Shenzhen, China)

The objective of this course was to provide an overview of Huawei MSOFTX3000 and UMG8900 and concentrated on SS7/SIGTRAN implementation, integration of MSOFTX3000 with all other nodes and maintenance of the node.

July 2007                HUAWEI GGSN9811, SSGN9810 and CG9811                                                                                                                                                                                                                                             (Shenzhen, China)

The objective of this course was to provide an overview of Huawei SGSN, GGSN and Charging Gateway 9812 and concentrated on SS7/SIGTRAN implementation, integration of SGSN with all other nodes and maintenance of the node.

August 2009         NSN Switching Core Network Routing MSS SR3.1                                                                                                                                                                                                                                     (Tunis, Tunisia)

                              The objective of this course was to provide an overview of NSN Routing concept, Attribute Analysis, User Plane Routing, Sub-analysis.