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Hammad Bhatti

Hammad Bhatti

SUPPORT ENGINEER – TELECOM & VOIP | SIP

Telecommunications

Lahore, Lahore District

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About Hammad Bhatti:

Senior Support Engineer with over 2 years of experience in VoIP and telecom operations, specializing in SIP signaling, routing optimization, and inter-carrier troubleshooting. Skilled in diagnosing call quality issues through PCAP and CDR analysis, managing media/signaling gateways, and collaborating cross-functionally to enhance uptime and customer satisfaction. Proven record of reducing call failures and improving routing efficiency in high-traffic telecom environments.

Experience

  • Investigate and troubleshoot SIP/VoIP call flows using Wireshark and signaling analysis, improving issue resolution time by 30%.
  • Manage carrier interconnects and optimize call routing for LDI and domestic traffic, enhancing call success rates.
  • Configure and maintain GSX9000, SGX, SBC gateways, ensuring redundancy and optimal media routing.
  • Collaborate with cross-functional teams (DevOps, NOC, and Support) to resolve network and application-layer issues.
  • Handle escalations through Freshdesk, Helpdesk, and HubSpot, maintaining high customer satisfaction scores.

Education

Bachelor of Science in Computer Science

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