Working on Voice( DID, Freephone, UIFN, International Toll-Free), SMS( Short Code, Long Code & 2-Way Messaging), Wireshark, SMPP Protocol, SIP ProtocolRole and Responsibilities for SMS - • Traffic measurement and analysis.• Configuration and deletion of the MSISDN's.• Creating New product as per Marketing Requirement • Reactivate/Deactivate lines(MSISDN's)• Configuration of Short Codes, Long Code & 2-Way Numbers• NOC Support for SMS related issues• Root cause analysis like message failure ( Reject, bind issues, routing issue ) with the help of Wireshark and logs• Understanding of VAS applications with proficiency SMPP v3.4• Working exposure to configuration management tool (Alaris Lab tool /Kayako)• Successful onboarding, customer/Vendor configurations, Give Routing at per least cost.• Customer/Vendor Trouble Ticketing Management, Team handling, and reporting.• Testing/configuration with clients and Regular Monitoring and Traffic analysis of all customers.• Customer/Vendor Trouble Ticketing Management, Team handling, and reporting.• Interact with clients/Vendors for requirement analysis and help them resolve the issues and provided solutions on time by giving online support.• Analyzing the charged Failed cases for SMS • All unsolved Major/Critical alarms the alarms escalated to second level engineering team within the SLA period.Role and Responsibilities for DID/ITFS/UIFN -• Fault management, Fault Reporting & Alarm evaluation (Detection & Fixing)• Opening and Resolving Trouble Tickets related to Vendors, Customers, and Suppliers• Working with the finance team in Dispute resolution• Working on VOIP soft switches (Cataleya & Orcawave ) for DID. Toll-free, International Toll-free number Operations.• Root cause analysis of issue like Voice quality issue, failure issue with help of Wireshark traces and logs.

• Responsible for NOC Provisioning.• NOC Handling (National, International). • Configuration, Troubleshooting, and Testing of VOIP services.• Core Troubleshooting in SIP through SDP.• Configure and make live client’s Accounts on MVTS-II, SR-S4500.• Testing Tool: ITEST , Monitoring Tool: 5G Vision, Ticketing Tool: OTRS • Testing different A to Z Routes(I-test, Arptel,) and Resolving issues related to Voice quality, codec compatibility (Via SIP traces using Wireshark)• Working with the finance team in Dispute resolution.• Maintaining/Managing White lists/blacklists groups.• Routing the calls as per the required scenario. Customer creation, Route testing, and LCR management.• Provisioning of A-Z Routing Generations/Implementation e.g. (LCR/LLC/Percentage Routing/Distribution Routing/ANI based routing/ Carrier Group distribution routing/ Capacity based Routing etc)• Making Endpoints, Calling Plan, Bindings, Routes, etc.• Configuration and troubleshooting of SIP devices.• Troubleshooting issue related to voice codecs G723, G729, G711(A&U), etc.• Troubleshooting the network for connectivity-related issues to trace the source of the problem.• Troubleshooting of VOICE issues (Call drop, Voice Problem, call Failed, codec Issues, PDD, DTMF, ASR, ACD issues, FAS etc.).• Troubleshooting of SIGNALING as well as MEDIA related issues.

• Responsible for NOC(Network Operations), Clients and Carriers Interconnections.• NOC Handling (National, International). • Configuration, Troubleshooting and Testing of VOIP services.• Core Troubleshooting in SIP through SDP.• Configure and make live client’s Accounts on SIPZEN, NEXGE and SIPPY.• Routing the calls as per required scenario. Customer creation, route testing and LCR management.• Making Endpoints, Calling Plan, Bindings, Routes etc.• Configuration and troubleshooting of SIP devices.• DID and VAS Configuration.• Configuration of Trunk, Line, GW, GK .• Troubleshooting issue related voice codecs G723,G729,G711 etc.• Troubleshooting the network for connectivity related issues to trace the source of problem.• Troubleshooting by means of SIP Signaling Messages (1XX, 2XX, 3XX, 4XX, 5XX) and the ISDN Cause Code.• Troubleshooting of VOICE issues (Call drop, Voice Problem, call Failed, codec Issues, PDD, DTMF, ASR, ACD issues etc).• Troubleshooting of SIGNALING as well as MEDIA related issues.• Working on Proxy Servers (MPLS, Internet and Intranet).• Configuration of Clients in AAA.• Call tracing with Wire shark. Using SFTP and DOS commands.

Monitoring Stats, routing and mapping Gateways, Maintaining gateways, Priority Changes Monitoring, scheduling the complete Technical Support Team, • Configure and make live client’s Accounts on VOIP Switch, VOS3000,adding Accounts on server, rates and complete server maintenance, providing live chat support to clients through emails, Skype, complete Route Analysis updating, troubles shoot all escalated technical issues, LCR routing and prefix conversion to be handled diligently, Maintaining Database of each technical issue in the worksheet day wise. Basics of Networking, IP Addressing and networking devices like switches, Routers and hubs. Good Understanding on OSI Layers, LAN and WAN Technologies Responsible for Handling and Monitoring Traffic & Carriers via web interface and soft switch.Monitoring and Analyzing the SIP Logs, CDR, ASR, and ACD to find the usage in A-Z route of different vendors and customers.Configuration of GW, GK ,Reseller Level 3, Level 2 & Level1 aswell as pin for end user, Call Back, Call Shop, IVR clients etc.·