• Chennai

Mohammed Sheik Imran

Executive Engineer


A dynamic VoIP engineer with the necessary drive and determination to resolve complex issues. Possess effective organizational skills and excellent working knowledge of networking protocols and having a commitment to keep up to date with the latest developments.

Work Experience

Work History

Executive Engineer

Sep 2014 - Present
Bharti Airtel Services Limited Chennai
Network Operation Centre ( NOC–Fault Management )

Technical Skills

  • Analyzing and troubleshooting of voice call issues(call failure,call drop,voice quality issues,Wrong CLI, call looping, FAS, FAX complaints, etc,.) 
  • Work experience on analyzing VOIP protocols such as SIP, SDP, RTP and H.248.
  • Hands on experience on Packet capture tool Wireshark Protocol Analyser.
  • Knowledge in audio codec G.711, G.729.
  • Hands on experience on Acme SBC (Session Border Controller).
  • Hands on experience on Siemens, Huawei Softswitches and Media Gateway.
  • Work experience in PSTN Complaints.
  • Experience in routing NLD and ILD voice traffic based on least cost routing.
  • Hands on experience on Trace tools (Tekelec, NMS, Jerasoft and Empirix E-XMS Diagnostics).
  • Knowledge on networking and network protocols, e.g., TCP/IP, IPv4/IPv6.
  • Programming skills in C,C++.

Roles & Responsibilities

  • Troubleshooting quality related problems like ASR, ACD, NER etc in the network by checking end to end path, identifying problem and providing permanent solution to clients.
  • Continuous tracking & resolving of trouble tickets within SLA.
  • Monitoring the performance of the international routes.
  • Fault handling and escalation ( Identifying and responding to faults in networks, liaising with third party suppliers and vendors, handling escalation through to resolution).
  • Improving Network voice quality by analyzing Qos parameters ( Packet loss,MOS, R factor etc,. ) 
  • Resolving IN related issues (NTFS, ITFS incoming, ITFS outgoing and Hubbing).
  • Centralized Single point of contact for all ILD Carriers, POIIs, customers & other operators.
  • Providing resolution for DATA Services like Video Conferencing.
  • Coordinating with ILD commercial & Marketing Teams for identifying viable alternate solutions to resolve customer complaints in SLA.
  • Take up escalated technical issues with NLD Poi's and International Carriers.
  • Handling Bharti's VOIP Products – MBIC and MVOIP
  • Handling faults on Bharti's VoIP Calling App called Airtel Talk.
  • Implementing Routing changes for Traffic based on load sharing, carrier quota.
  • Monitoring Session Border Controller process loads during peak hours and distributing the traffic for efficient usage of resources.
  • Identifying spam traffic and blocking traffic for entire trunk group / specific Numbers.
  • Co-ordination with International Carriers- Verizon, AT&T, British Telecom, Etisalat etc.



BE Electronics and Communication Engineering

Easwari Engineering College, Chennai

Aggregate: 7.04 (CGPA)

12th State Board Of Tamil Nadu

Veludayar Higher Secondary School, Tiruvarur
Percentage: 90.08 %

10th State Board Of Karnataka

SVCK Institution, Bangalore

Percentage: 76 %

Personal Information

Nationality               Indian

Date of Birth            5th May 1991

Languages known  Tamil, English and Kannada


I hereby declare that the information furnished above is true to the best of my knowledge and belief.

                                                                                                                                ( Mohammed Sheik Imran )